tech name employer name cert num cert date cert expires · western alliance for quality...

Western Alliance for Quality Transportation ConstructionWAQTC

Tech Name Employer Name Cert Num Cert Date Cert ExpiresAbbott, Shane Andrew A.G. Wassenaar, Inc. 189,166 11/21/2019 11/30/2022Abedzadeh Anaraki, jem koe 180,269 4/27/2007 4/1/2010Abel, Tyne Ground Engineering 180,822 11/20/2014 11/30/2019Abeyta, Ernest CDOT (Reg.5) 180,142 12/4/2008 12/1/2013Achor, Jacob Kumar and Associates 181,224 8/18/2011 8/1/2014Acks, Alex CTL Thompson - Denver 182,025 11/29/2018 11/30/2021Adair, David Ground Engineering 180,089 5/13/2010 5/1/2015Adame, Darren URS Greiner (Durango) 180,198 7/28/2000 7/1/2003Adams, Alexandra United Companies 181,943 4/11/2018 4/30/2021Adams, Derek Rock Sol Consulting Group 181,737 7/21/2016 7/31/2019Adams, Jason Westest 180,951 1/11/2008 1/1/2011Adams, Mitchell NWCC 189,095 6/13/2019 6/30/2022Adams, Shelton Ground Engineering 181,428 11/17/2016 11/30/2021Adamson, Barbara CDOT (Reg.3-GJ) 180,134 1/12/2006 1/1/2009Adkins, Jeremy Terradyne 181,142 3/18/2010 3/1/2013Afshar, Hadi Moin Triax Engineering 181,975 8/23/2018 8/31/2021Afton, Thomas Cesare Inc. 181,911 1/26/2018 1/31/2021Aguilar, Angelo LaPlata County 189,014 3/18/2011 3/1/2014Aguilar, Ken Western Colorado Testing, Inc. 180,101 3/5/2004 3/1/2007Aguilar, Kevin Rock Sol Consulting Group 181,781 2/27/2020 2/28/2025Aguirre, Bryan Terracon Ft. Collins 181,462 7/27/2017 7/31/2022Aguirre, Michael CDOT (Reg.2-P) 181,262 1/15/2015 1/31/2020Aichiovene, Mustapha Yeh & Associates 180,686 4/18/2019 4/30/2024Akdis, Baris koe 180,351 9/22/2006 9/1/2009Akers, John Kleinfelder (Pueblo) 180,411 3/26/2015 3/31/2020Akwaboah, Godfred Ground Engineering 189,103 6/13/2019 6/30/2022Albert, Kevin Rock Sol Consulting Group 180,706 3/26/2015 3/31/2020Aldahan, Feras Vine Laboratories 189,078 5/13/2019 5/31/2022Aldawood, Abdullah Vine Laboratories 189,125 7/25/2019 7/31/2022Aldorfer, William CDOT (Reg. 4) 180,076 2/25/2000 2/1/2003Aleksich, Gregory Ground Engineering 180,338 1/20/2005 1/1/2008Alexander, Lorna CDOT (Reg.5) 180,718 1/12/2006 1/1/2009Ali, Fahad Vine Laboratories 189,270 6/11/2020 6/30/2023Allen, J. James Westest 181,894 10/26/2017 10/31/2020Allen, Jeff Ground Engineering 181,432 12/15/2016 12/31/2021Allen, Joshua Western Technologies (NM) 181,211 5/19/2011 5/1/2014Allen, Veda United Companies 181,481 7/17/2014 7/31/2017Allison, Carl Rock Sol Consulting Group 181,565 12/21/2017 12/31/2022Almahasnah, Mahdi Kiewit 181,715 5/30/2019 5/31/2024Almand, Matt Self-employed 182,057 2/21/2019 2/28/2022Alpha, Kyle Western Colorado Testing, Inc. 180,131 4/4/2000 4/1/2003Alt, Brandon Vivid Engineering Group 189,046 4/2/2019 4/30/2022Althoff, John Kumar and Associates 181,233 9/22/2011 9/1/2014Amare, Gedion Rock Sol Consulting Group 181,532 2/23/2017 2/28/2022Anderson, Cory Ground Engineering 180,320 10/12/2001 10/1/2004Anderson, Evan Ground Engineering 181,974 7/26/2018 7/31/2021Anderson, Jason Terracon 180,944 12/12/2007 12/1/2010Anderson, Jeremy Terracon (Colorado Springs) 180,723 1/26/2006 1/1/2009Anderson, Laura Ninyo & Moore 182,026 11/29/2018 11/30/2021Anderson, Rich Terradyne 181,311 9/20/2012 9/1/2015Anderson, Robert Geotechnical Engineering Group 180,713 1/12/2006 1/1/2009Anderson, Sean Ground Engineering 181,514 9/18/2014 9/30/2017Anderson, Trenton Ground Engineering 182,033 12/13/2018 12/31/2021Anderson, Troy Ground Engineering 180,238 10/24/2008 10/1/2013


Tech Name Employer Name Cert Num Cert Date Cert ExpiresAndrade, Jordan Ground Engineering 180,665 5/6/2005 5/1/2008Andrade, Nick Ground Engineering 180,431 1/30/2020 1/31/2025Andrews, Brant Ground Engineering 181,312 9/20/2012 9/1/2015Andrews, Teresa Acura Engineering 180,823 9/18/2009 9/1/2014Anjami, Alii Rock Sol Consulting Group 182,058 2/21/2019 2/28/2022Ansley, James Martinez Associates 181,874 7/27/2017 7/31/2020Apa, Jason Southeast Corridor Constructors 180,499 3/28/2003 3/1/2006Appel, Paul Four Corners Materials 181,014 4/26/2013 4/1/2018Applebaum, Kristy Best Engineering 189,246 5/22/2020 5/31/2023Apsey, Michael Koechlien Consulting Engineering(GJ) 181,194 4/1/2011 4/1/2014Aragon, Marcos Ground Engineering 181,976 8/23/2018 8/31/2021Aranda, Phillip Cole Garner Geotechnical 181,857 5/18/2017 5/31/2020Archambeault, Troy Carter Burgess CO Springs 180,536 10/23/2003 10/1/2006Archer, Gary koe 180,481 2/28/2003 2/1/2006Archuleta, Kenneth Geocal, Inc. 180,043 12/10/1999 12/1/2002Archuleta, Stephen Rock Sol Consulting Group 181,576 3/22/2018 3/31/2023Ardern, Bruce Reynolds & Associates 181,232 12/15/2011 12/1/2014Ardner, John Southeast Corridor Constructors 180,371 3/22/2002 3/1/2005Armendariz, Michael CDOT Holly Street (North) 182,015 11/28/2018 11/30/2021Armijo, Richard CDOT (Reg.2-P) 180,121 5/26/2006 5/1/2009Arnold, Jamani Southeast Corridor Constructors 180,531 10/23/2003 10/1/2006Arredondo, Christian Ground Engineering 181,858 5/18/2017 5/31/2020Arsenault, Brett koe 180,633 2/25/2005 2/1/2008Arslan, Haydar Rock Sol Consulting Group 180,672 5/19/2005 5/1/2008Artzer, Darrel CDOT (Reg. 4) 180,081 11/16/2006 11/1/2009Ashtiani, Dawood Kumar and Associates (CO Springs) 180,366 3/8/2002 3/1/2005Asmerom, Abysolome Terracon 182,034 12/13/2018 12/31/2021Assaad, John Construction Technical Services 180,304 8/10/2001 8/1/2004Ast, Cory Ground Engineering 181,409 3/23/2017 3/31/2022Atene, Shawn Western Technologies (NM) 180,772 5/12/2006 5/1/2009Atshar, Hadi Triax Engineering 181,629 8/27/2015 8/31/2018Aumiller, Bryce Rock Sol Consulting Group 189,232 5/19/2020 5/31/2023Ausbun, Todd Transit Mix of Pueblo 180,162 4/28/2000 4/1/2003Austin, Kenton Ground Engineering 181,051 2/23/2017 2/28/2022Avendano, Hector Ground Engineering 181,393 8/15/2013 8/31/2016Avitia, Noe Ground Engineering 181,954 5/24/2018 5/31/2021Axtman, Ryan Weld County Public Works 181,200 2/23/2017 2/28/2022Azuara, Darlene A.G. Wassenaar, Inc. 180,342 1/25/2002 1/1/2005Baca, Alexander Yeh & Associates Glenwood Springs 180,027 4/13/2012 4/1/2017Bagherpour, Hussien Terracon 182,035 12/13/2018 12/31/2021Bailey, Brad Ground Engineering 180,357 2/8/2002 2/1/2005Bailey, Marshall RS&H, Inc. 181,912 1/26/2018 1/31/2021Bailey, Sean Lyman Henn Inc. 181,157 8/19/2010 8/1/2013Baiotto, Bert Ground Engineering 180,587 6/11/2004 6/1/2007Baker, John CTL Thompson (Pueblo) 181,118 9/18/2009 9/1/2012Balderrama, Roberto AMEC Environment & Infrastructure 181,394 8/15/2013 8/31/2016Baldwin, Edward Yeh & Associates 180,071 2/14/2003 2/1/2006Baldwin, Matt Ground Engineering 181,907 12/21/2017 12/31/2020Ballard, Mike par 181,123 11/19/2009 11/1/2012Bannon, Matthew Ground Engineering 181,146 1/15/2015 1/31/2020Bant, Benjamin Ground Engineering 181,960 6/14/2018 6/30/2021Baranowski, Adam Shannon & Wilson, Inc. 189,226 5/8/2020 5/31/2023Barber, Joel Ground Engineering 181,225 8/18/2011 8/1/2014Barbone, Ryan CTL Thompson - Denver 189,144 9/26/2019 9/30/2022


Tech Name Employer Name Cert Num Cert Date Cert ExpiresBargas, Vincent Kleinfelder 180,635 3/11/2005 3/1/2008Barger, Craig Carter Burgess CO Springs 180,444 1/27/2006 1/1/2009Barker, Brandon Kumar and Associates 180,588 6/11/2004 6/1/2007Barker, Travis Ground Engineering 180,618 12/16/2004 12/1/2007Barlow, Dan City and County of Denver 181,935 3/22/2018 3/31/2021Barnes, Mason Rock Sol Consulting Group 181,566 12/21/2017 12/31/2022Barney-Padilla, Sofia Kleinfelder (Pueblo) 181,895 10/26/2017 10/31/2020Barrera, Brian CDOT (Reg.2-P) 180,486 9/23/2010 9/1/2015Barrett, Joshua TSH Engineering 189,006 8/19/2010 8/1/2013Barrett, Ross Trautner Geotech 181,062 4/13/2012 4/1/2017Barrett, Stacy Vine Laboratories 181,795 11/17/2016 11/30/2019Barrett, Timothy H-P Geotech (Glenwood Springs) 180,362 2/22/2002 2/1/2005Barslund, Mark City of Grand Junction 181,263 3/22/2012 3/1/2015Barton, Allen Kumar and Associates 181,119 4/21/2011 4/1/2016Bass, Kelley Yeh & Associates 181,137 7/11/2019 7/31/2024Bass, Michael Yeh & Associates 189,167 11/21/2019 11/30/2022Bays, James Western Technologies (NM) 180,887 4/27/2007 4/1/2010Beal, Billy CDOT (Reg.5) 180,275 4/20/2001 4/1/2004Beas, Guillermo koe 180,871 4/19/2007 4/1/2010Beasley, Thomas Yeh & Associates 181,331 2/22/2013 2/1/2016Beattie, Troy Ground Engineering 180,985 4/17/2008 4/1/2011Beauprez, Evan Ground Engineering 181,041 9/19/2008 9/1/2011Beaver, Christopher CDOT Holly Street (North) 181,465 5/22/2014 5/31/2017Beaver, Travis Ground Engineering 180,359 12/18/2014 12/31/2019Beck, Andrew Terracon Ft. Collins 180,967 2/21/2008 2/1/2011Beck, Cynthia CDOT R-3 Eagle 181,018 9/27/2018 9/30/2023Becker, Dillon Rock Sol Consulting Group 181,828 5/15/2020 5/31/2025Beeman, Andrew Rock Sol Consulting Group 180,739 1/28/2016 1/31/2021Beeman, Donald Westest 180,735 6/25/2015 6/30/2020Behrens, Matthew In Tec of Denver Metro LLC 180,845 2/16/2007 2/1/2010Bekins, James Terracon Ft. Collins 180,968 2/21/2008 2/1/2011Bekker, Lev Yeh & Associates 180,161 2/25/2016 2/28/2021Bell, Philip Kleinfelder-Golden 180,794 6/22/2006 6/1/2009Bellin, Paul Ground Engineering 180,318 10/12/2001 10/1/2004Bemelen, Eric CDOT (Reg.6) 180,354 2/8/2002 2/1/2005Benallie, Wes Western Technologies (NM) 180,885 4/16/2010 4/1/2015Benavidez, Vincent Ground Engineering 180,337 1/11/2002 1/1/2005Benda, Richard Kleinfelder Inc. (CO Spgs) 181,379 6/20/2013 6/30/2016Bender, Jordan H-P Geotech (Parker) 181,577 3/26/2015 3/31/2018Bender, Steven Kumar and Associates 181,077 4/21/2011 4/1/2016Bennett II, Danny Kleinfelder-Golden 180,466 4/11/2018 4/30/2023Bennett, Bill Yeh & Associates 180,969 3/3/2016 3/31/2021Bennett, Jason Vivid Engineering Group 181,614 1/26/2018 1/31/2023Benson, David CDOT (Reg.3-GJ) 181,060 12/4/2008 12/1/2011Bentley, Jim A.G. Wassenaar, Inc. 180,909 12/18/2019 12/31/2024Bentz, Alex Ground Engineering 181,371 8/25/2016 8/31/2021Berch, Tyler Kleinfelder-Golden 180,898 5/25/2007 5/1/2010Berdahl, Nicholas Westest 189,047 4/2/2019 4/30/2022Berends, Russel Rock Sol Consulting Group 181,004 5/23/2008 5/1/2011Berger, Daniel AECOM 180,208 6/5/2020 6/30/2025Berger, Robert Ground Engineering 181,482 7/17/2014 7/31/2017Berggren, Eirik PCH 181,867 6/22/2017 6/30/2020Bergles, Robert CDOT (Reg.2-P) 180,120 12/12/2013 12/31/2018Bermudez, Justin Kumar & Associates (Frisco) 181,590 4/23/2015 4/30/2018


Tech Name Employer Name Cert Num Cert Date Cert ExpiresBernatski, Peter CDOT (Reg.1) 181,380 6/20/2013 6/30/2016Bernier, Alexander Ground Engineering 181,468 6/19/2014 6/30/2017Berry, Jackson RMG Engineering 181,526 10/16/2014 10/31/2017Besijn, Antonij Ground Engineering 180,747 12/21/2017 12/31/2022Besson Jr., Brian Southeast Corridor Constructors 180,496 3/28/2003 3/1/2006Best, Matthew Ninyo & Moore 180,030 11/19/2009 11/1/2014Bethurem, D. Luke Vine Laboratories 181,738 7/21/2016 7/31/2019Betone, Vern Western Technologies (NM) 180,895 4/29/2011 4/1/2014Beverly, Jason A.G. Wassenaar, Inc. 180,345 1/25/2002 1/1/2005Biddle, Brendan Jacobs 180,576 2/25/2016 2/28/2021Bieber, Amanda Atkins 189,030 2/22/2013 2/1/2016Bieber, Rebekah Westest 181,662 12/17/2015 12/31/2018Bignall, Steve Atkins 181,083 2/19/2009 2/1/2012Bilby, Mark Parsons Brinckerhoff 180,597 2/22/2013 2/1/2018Bishop, Garfield Hollingsworth & Associates 180,177 5/12/2000 5/1/2003Bishop, Melisa City of Aurora 181,913 1/26/2018 1/31/2021Bisiar, Terry Ground Engineering 180,614 11/19/2004 11/1/2007Bitgood, Randall koe 180,916 8/23/2007 8/1/2010Bjork, Hansel Yeh & Associates 189,145 9/26/2019 9/30/2022Bjornestad, Matt Yeh & Associates 189,117 7/11/2019 7/31/2022Black, Craig CDOT R-5 (Alamosa) 180,488 1/12/2006 1/1/2009Black, Mitch Ground Engineering 181,977 8/23/2018 8/31/2021Black, Stuart URS Greiner (Durango) 180,707 12/15/2005 12/1/2008Blackburn, Dale H-P Geotech (Parker) 180,455 12/20/2002 12/1/2005Blackwell, Robert Geocal, Inc. 180,306 9/7/2001 9/1/2004Blair, Kim Atkins 180,786 5/26/2006 5/1/2009Blair, Stephanie Vivid Engineering Group 180,289 2/18/2020 2/28/2025Blankenship, Jeff Ninyo & Moore 181,914 1/26/2018 1/31/2021Blausit, Steve Kumar and Associates 180,053 3/14/2003 3/1/2006Blickhahn, Thomas Earth Engineering Consultants 181,868 6/22/2017 6/30/2020Blom, Douglas A.G. Wassenaar, Inc. 180,910 10/22/2015 10/31/2020Blue, James par 180,095 1/23/2004 1/1/2007Blue, Robert Ground Engineering 180,601 6/14/2018 6/30/2023Blumberg, Daniel City of Grand Junction 181,124 4/28/2015 4/30/2020Boag, Richard Ground Engineering 181,042 10/13/2011 10/1/2016Bobosh II, Stephen Kleinfelder 181,348 4/21/2016 4/30/2021Boche', Chad Yeh & Associates 180,684 7/28/2005 7/1/2008Boderick, Brandi Southeast Corridor Constructors 180,556 3/5/2004 3/1/2007Boff, Howard CDOT (Reg.3-GJ) 180,711 1/12/2006 1/1/2009Bohon, Avery Terracon 180,534 10/23/2003 10/1/2006Bohon, Ian Geotechnical Engineering Group 180,675 6/3/2005 6/1/2008Bolanos, David Terracon 189,168 11/21/2019 11/30/2022Bolda, Daniel Shannon & Wilson, Inc. 180,399 5/15/2020 5/31/2025Bomgaars, Chad A.G. Wassenaar, Inc. 180,742 10/22/2015 10/31/2020Bonnart, Sebastien Ground Engineering 180,253 3/2/2001 3/1/2004Book, Kip Yeh & Associates 181,483 4/27/2017 4/30/2022Book, Travis A.G. Wassenaar, Inc. 180,743 2/23/2006 2/1/2009Boone, Sean Yeh & Associates Grand Junction 182,027 11/29/2018 11/30/2021Booth, Stephen URS Greiner (Denver) 189,019 4/21/2011 4/1/2014Boots, Marty H-P GeoTech 180,190 6/16/2000 6/1/2003Booze, James Ground Engineering 180,489 2/26/2015 2/29/2020Borer, Daniel Vine Laboratories 181,724 7/25/2019 7/31/2024Boronda, David CDOT R-3 (M) 180,136 1/9/2004 1/1/2007Bourcier, Scott CTL Thompson (Pueblo) 180,050 12/11/1999 12/1/2002


Tech Name Employer Name Cert Num Cert Date Cert ExpiresBourget, David Ground Engineering 180,045 3/14/2003 3/1/2006Bowling, Robert H-P Geotech (Glenwood Springs) 180,475 2/14/2003 2/1/2006Bowman, Kyle Vine Laboratories 189,049 4/2/2019 4/30/2022Bowman, Mark Kumar & Associates (Ft. Collins) 180,787 1/26/2017 1/31/2022Boyd, Elliot Westest 180,524 12/13/2012 12/1/2017Boyles, Logan Ground Engineering 189,048 4/2/2019 4/30/2022Bozarth, Adele Rock Sol Consulting Group 181,474 10/26/2017 10/31/2022Bozarth, Jonathan Rock Sol Consulting Group 180,459 8/25/2016 8/31/2021Bradley, Brian Ground Engineering 181,332 4/21/2016 4/30/2021Brahler, Matthew Ground Engineering 181,412 7/21/2016 7/31/2021Brandt, Myles Ground Engineering 182,009 10/25/2018 10/31/2021Brannon, Wayne Western Technologies (NM) 180,896 4/27/2007 4/1/2010Branom, Troy CDOT-R2 Lamar 180,381 4/24/2014 4/30/2019Branscum, Michael Kiewit Central 70 182,016 11/28/2018 11/30/2021Brath, Michael Koechlein Consulting Enginering 181,078 1/9/2009 1/1/2012Braun, Frederick CTL Thompson (Ft. Collins) 180,279 7/25/2019 7/31/2024Breidenstein, Aaron A.G. Wassenaar, Inc. 181,419 12/12/2013 12/31/2016Brennan, Matthew Ground Engineering 181,275 4/19/2012 4/1/2015Brenner, Michael Atkins 180,741 3/27/2014 3/31/2019Brenny, Ryan Kleinfelder 181,645 10/22/2015 10/31/2018Brewer, Brandon Interstate Highway Cosntruction 182,042 12/20/2018 12/31/2021Brhanemeskel, Melake Geocal, Inc. 181,915 1/26/2018 1/31/2021Bricker, Evan Carter Burgess 180,092 1/17/2003 1/1/2006Bricker, Timothy TSH Engineering 189,025 3/26/2015 3/31/2020Bricker, Zach Intertek-PSI 181,515 9/18/2014 9/30/2017Briggs, Matthew Ground Engineering 189,096 6/13/2019 6/30/2022Brinker, Chris SEH, Inc. 181,484 7/17/2014 7/31/2017Brinkley, Matthew Trautner Geotech 180,745 12/4/2008 12/1/2013Brock, James Kleinfelder 189,087 5/30/2019 5/31/2022Brockshus, Noah Ground Engineering 189,289 7/20/2020 7/31/2023Brooks, Jason CDOT Holly Street (North) 180,764 6/18/2009 6/1/2014Broome, Douglas Yeh & Associates 180,647 4/8/2005 4/1/2008Brown, Allan In Tec of Denver Metro LLC 181,005 8/21/2008 8/1/2011Brown, Cheryl Westest 181,896 10/26/2017 10/31/2020Brown, Jacob Ground Engineering 189,281 6/19/2020 6/30/2023Brown, Joshua Kleinfelder (Pueblo) 181,716 5/19/2016 5/31/2019Brown, Robert A.G. Wassenaar, Inc. 180,066 1/22/2000 1/1/2003Brown, Vic Carter Burgess CO Springs 180,022 10/21/2005 10/1/2008Browne, Norbert Shannon & Wilson, Inc. 180,729 1/28/2016 1/31/2021Browning, Tyler Amec Foster Wheeler (Utah) 181,717 5/19/2016 5/31/2019Brubaker, David Kleinfelder 180,429 1/28/2016 1/31/2021Bruce, Nick Atkins 181,408 10/17/2013 10/31/2016Bruns, Don Nielsons 180,144 4/6/2000 4/1/2003Bryan, Mickey Yeh & Associates Grand Junction 180,559 3/3/2016 3/31/2021Bryant, Shawn Terracon 180,239 4/8/2005 4/1/2008Buchanon, Carl Ground Engineering 181,555 1/15/2015 1/31/2018Buck, David Yeh & Associates 180,263 3/16/2001 3/1/2004Buck, Tammera CDOT (Reg.6) 180,158 12/13/2018 12/31/2023Buckeridge, Stephen Ground Engineering 180,911 7/20/2007 7/1/2010Buckle, Jeff koe 180,986 4/17/2008 4/1/2011Buelter, Darien Ground Engineering 181,978 8/23/2018 8/31/2021Bueno, Manuel CDOT (Reg.2-P) 180,613 8/14/2014 8/31/2019Buerger, Zach Ground Engineering 181,567 8/23/2018 8/31/2023Buffington, Kevin Best Engineering 181,782 10/27/2016 10/31/2019


Tech Name Employer Name Cert Num Cert Date Cert ExpiresBugh, Aaron Ground Engineering 189,037 3/28/2019 3/31/2022Bullen, Brian Southeast Corridor Constructors 180,382 4/5/2002 4/1/2005Bulwan, Jim Bechtolt 181,602 4/30/2015 4/30/2018Bunker, A. Barney Yeh & Associates (Durango) 180,748 4/10/2019 4/30/2024Burchfield, Kyle Weld County Public Works 189,169 11/21/2019 11/30/2022Burd, Aaron A.G. Wassenaar, Inc. 180,500 3/28/2003 3/1/2006Burden, Roosevelt Rock Sol Consulting Group 181,500 8/14/2014 8/31/2017Burfeind, Matt RS&H, Inc. 189,296 7/30/2020 7/31/2023Burge, Jeremiah Intertek-PSI 180,519 2/22/2018 2/28/2023Burger, Kevin Geocal, Inc. 180,670 5/19/2005 5/1/2008Burgess, Gabe AMEC Environment & Infrastructure 181,640 9/24/2015 9/30/2018Burgess, Stephen CDOT (Reg.1) 180,170 2/14/2003 2/1/2006Burkhart, Esena Yeh & Associates Grand Junction 181,363 9/27/2018 9/30/2023Burns, Carrie CDOT (Reg.1) 180,548 2/6/2004 2/1/2007Burns, Taylor Terradyne 181,622 7/23/2015 7/31/2018Burns, Troy CDOT (Reg.1) 180,758 11/19/2009 11/1/2014Burroughs, Josh Ground Engineering 181,440 3/27/2014 3/31/2017Burrows, Dan CDOT (Reg. 4) 180,079 2/18/2010 2/1/2015Burrows, Joseph CDOT (Reg. 4) 180,708 2/18/2010 2/1/2015Burt, Aaron koe 180,920 9/21/2007 9/1/2010Bush, Sam Rock Sol Consulting Group 181,019 6/19/2008 6/1/2011Butler, Chahta Yeh & Associates 181,618 6/25/2015 6/30/2018Butler, Jerome Western Technologies (NM) 181,110 6/12/2009 6/1/2012Byberg, Anders A.G. Wassenaar, Inc. 189,247 5/22/2020 5/31/2023Byrd, Robert CDOT R-5 (Alamosa) 180,490 12/12/2013 12/31/2018Byrd, Russell Ground Engineering 180,262 3/16/2001 3/1/2004Caber Jr., Randy Ground Engineering 180,615 11/19/2004 11/1/2007Cabrera, Alex Ground Engineering 180,330 12/28/2001 12/1/2004Cadet, Bradley Terracon 189,126 7/25/2019 7/31/2022Cady-Reheis, Carlos Cesare Inc. 181,638 9/24/2015 9/30/2018Caires, William Construction Technical Services 180,019 9/20/2002 9/1/2005Calaway, Micheal Kleinfelder-Golden 180,815 9/22/2006 9/1/2009Caldwell, R. Mountain Engineering & Testing 180,446 12/6/2002 12/1/2005Cale, Braden CDOT Holly Street (North) 181,433 2/27/2014 2/28/2017Caley, Randall FHA-FLHD 181,615 5/21/2015 5/31/2018Calogero, Andrew Ground Engineering 181,402 9/20/2013 9/30/2016Campbell, Anthony Yeh & Associates 181,255 7/23/2015 7/31/2020Campbell, Craig Trautner Geotech 181,109 3/2/2017 3/31/2022Campbell, Erik Ground Engineering 180,028 2/17/2011 2/1/2016Campbell, Verl Kiewit Western CO. 180,533 12/14/2006 12/1/2009Camplese, Daniel koe 180,917 8/23/2007 8/1/2010Camsky, Logan Geocal, Inc. 181,783 10/27/2016 10/31/2019Canada, Richard Olsson Associates 181,739 7/21/2016 7/31/2019Cannan, Daniel Kleinfelder 189,267 5/8/2020 5/31/2023Cannon, James Kumar and Associates 181,796 11/21/2019 11/30/2024Canono, Arthur Yeh & Associates 180,015 2/25/2016 2/28/2021Cantera, Jr., Carlos Vine Laboratories 181,784 10/27/2016 10/31/2019Capps, Chris Earth Engineering Consultants 181,968 7/26/2018 7/31/2021Card, Philip Card CH2MHill 181,143 3/18/2010 3/1/2013Cardinal, Daniel Kumar and Associates (CO Springs) 180,191 7/14/2000 7/1/2003Caretto, James CDOT (Reg.2-P) 180,061 11/19/2009 11/1/2014Carlson, Robert Terracon 180,931 7/14/2011 7/1/2016Carlton, Braden Southeast Corridor Constructors 180,492 3/24/2006 3/1/2009Carmean, Marcus Vine Laboratories 189,107 6/27/2019 6/30/2022


Tech Name Employer Name Cert Num Cert Date Cert ExpiresCarpenter, Arlo Kiewit 181,696 5/30/2019 5/31/2024Carr, Kimberley Kiewit 189,129 8/7/2019 8/31/2022Carrion, Mario Ninyo & Moore 189,227 5/8/2020 5/31/2023Carroll, Gary City of Aurora 180,034 9/26/2002 9/1/2005Carter, Dewayne Vine Laboratories 189,233 5/19/2020 5/31/2023Casale, Angela Atkins 181,785 2/27/2020 2/28/2025Casey, Grace Westest 181,672 2/21/2019 2/29/2024Castanon, Carlos Southeast Corridor Constructors 180,530 8/21/2003 8/1/2006Casteel, David CDOT (Reg. 4) 180,073 2/11/2000 2/1/2003Castellari, Gene Ground Engineering 180,046 4/8/2010 4/1/2015Castro, Jack CDOT (Reg.2-P) 180,157 11/18/2005 11/1/2008Center, Jason Trautner Geotech 181,603 4/30/2015 4/30/2018Cerfoglio, Lawrence URS Greiner (Denver) 180,277 5/11/2001 5/1/2004Cervi, Michael Westest 189,079 5/13/2019 5/31/2022Cessar, John Westest 180,846 2/16/2007 2/1/2010Chacon, Daniel Ninyo & Moore 181,753 8/25/2016 8/31/2019Chado, Rob CH2MHill 189,023 10/13/2011 10/1/2014Chambers, Evan Ground Engineering 189,156 10/24/2019 10/31/2022Chamel, Guillaume Terracon 182,001 10/18/2018 10/31/2021Champagne, Tevin Rock Sol Consulting Group 181,754 8/25/2016 8/31/2019Champe, Lars Terracon 181,020 7/14/2011 7/1/2016Champe, Lee Terracon 180,937 9/20/2012 9/1/2017Chandler, Drew Russel Engineering 189,001 6/12/2009 6/1/2012Changnon, Benjamin Kiewit 182,043 12/20/2018 12/31/2021Chatelain, Doug Jacobs 180,521 5/22/2009 5/1/2014Chatelain, James Kumar and Associates (CO Springs) 180,529 8/21/2003 8/1/2006Chavez, Antonio Terracon 180,568 2/25/2016 2/28/2021Chee, Caleb Vine Laboratories 189,050 4/2/2019 4/30/2022Chen, Geng Vine Laboratories 189,157 10/24/2019 10/31/2022Chen, I-Ping Yeh & Associates 180,912 7/20/2007 7/1/2010Chester, Melvin AMEC Environment & Infrastructure 181,448 4/8/2014 4/30/2017Childs, Brant CDOT (Reg.6) 180,513 1/22/2010 1/1/2015Choi, Joseph Terracon 181,842 2/27/2020 2/28/2025Chokteng, Tsering Kumar and Associates 180,795 6/22/2006 6/1/2009Christianson, Travis Terracon (Colorado Springs) 180,577 5/7/2004 5/1/2007Christman, John Terracon Ft. Collins 180,681 6/16/2011 6/1/2016Christopher, Kurt CDOT (Reg. 4) 180,105 4/25/2003 4/1/2006Christophersen, Peter Ground Engineering 181,969 7/26/2018 7/31/2021Chrusch, Jason Yeh & Associates Grand Junction 181,875 7/27/2017 7/31/2020Cinkosky, Erik Kumar and Associates (CO Springs) 180,987 6/13/2019 6/30/2024Cirillo, Gary Rock Sol Consulting Group 180,006 1/11/2008 1/1/2013Cisneros, Larry CDOT R-5 (Alamosa) 180,141 1/12/2006 1/1/2009Clark, Keith Kumar and Associates 181,052 10/23/2008 10/1/2011Clark, Kyle par 181,223 7/14/2011 7/1/2014Clark, Lisa Western Technologies Inc. 180,676 6/3/2005 6/1/2008Clark, Shawn koe 180,628 5/23/2008 5/1/2013Claybourn, Brian Yeh & Associates 180,255 1/20/2005 1/1/2008Clayton, Thomas CAPA 180,020 10/24/2008 10/1/2013Clem, Ronald CDOT (Reg.6) 180,751 3/24/2006 3/1/2009Cleveland, Chris Kumar and Associates (CO Springs) 180,582 5/20/2004 5/1/2007Cliff, Danielle Vine Laboratories 181,264 3/22/2012 3/1/2015Cloepfil, Brett CDOT (Reg. 4) 181,172 11/21/2019 11/30/2024Clouse, Nathan Atkins 181,764 8/22/2019 8/31/2024Coan, Wesley Ground Engineering 181,485 7/17/2014 7/31/2017


Tech Name Employer Name Cert Num Cert Date Cert ExpiresCobos, Jeff Ground Engineering 181,278 5/17/2012 5/1/2015Coccho Jr., Frank Carter Burgess 180,465 1/31/2003 1/1/2006Coder, Craig Terracon (Colorado Springs) 181,021 10/13/2011 10/1/2016Coe, Alex Geocal, Inc. 181,786 8/22/2019 8/31/2024Coghill, Branson Western Technologies (NM) 180,584 5/20/2004 5/1/2007Cole, Brent Yeh & Associates 180,453 5/26/2006 5/1/2009Cole, Dwayne Ground Engineering 181,705 4/18/2019 4/30/2024Collard, Kyle Huddleston-Bevvy 189,065 4/10/2019 4/30/2022Coloroso, Robert Rock Sol Consulting Group 181,823 2/27/2020 2/28/2025Colpitts, William Kumar & Associates (Ft. Collins) 181,175 12/16/2010 12/1/2013Combs, Rick Yeh & Associates 180,495 9/20/2012 9/1/2017Command, Michael CDOT (Reg. 4) 180,154 3/22/2013 3/1/2018Compton, Dennis Rock Sol Consulting Group 180,041 5/30/2019 5/31/2024Conant, Michael Yeh & Associates 181,333 2/22/2013 2/1/2016Conner, Alan Lambert & Associates 180,773 5/12/2006 5/1/2009Conner, Scott Kleinfelder-Golden 181,279 5/17/2012 5/1/2015Conrad, Chris Cesare Inc. 181,961 6/14/2018 6/30/2021Conway, Evan CTL Thompson Inc. (Colorado Springs) 180,970 2/21/2008 2/1/2011Cook, Logan Westest 181,936 3/22/2018 3/31/2021Cook, Pat Rock Sol Consulting Group 180,518 5/23/2003 5/1/2006Cook, Tylere Kleinfelder 189,088 5/30/2019 5/31/2022Cooley, Richard Ground Engineering 180,796 6/18/2009 6/1/2014Cordova, Connie CDOT R-3 (M) 180,127 1/12/2006 1/1/2009Cordova, Joe Western Technologies (NM) 180,886 4/27/2007 4/1/2010Cordova, Maurcedes Rock Sol Consulting Group 180,310 3/26/2015 3/31/2020Cordray, Lawrence Carter Burgess 180,293 6/22/2001 6/1/2004Corlett, David Ground Engineering 180,703 12/15/2005 12/1/2008Cornellisson, Matthew Ground Engineering 181,765 9/22/2016 9/30/2019Coston, Bryan CDOT (Reg.6) 180,515 8/25/2006 8/1/2009Cotton, Randy Terracon 180,938 11/16/2007 11/1/2010Coughlin, Patrick Transit Mix of Colorado Springs 180,479 2/28/2003 2/1/2006Covington, Jeff Kumar and Associates 180,038 12/3/1999 12/1/2002Crane, James Kleinfelder Inc. (CO Spgs) 181,186 12/18/2014 12/31/2019Crawford, Bill CDOT (Reg.6) 180,560 3/5/2004 3/1/2007Crea, Daniel Ground Engineering 189,071 4/18/2019 4/30/2022Creasy, Jonah Ground Engineering 181,187 3/24/2011 3/1/2014Crissi, Yakov Kleinfelder 180,645 3/24/2005 3/1/2008Cromar, Brian CDOT R-4 (Loveland) 180,610 8/22/2019 8/31/2024Cronholm, Jeffrey Ground Engineering 181,043 9/19/2008 9/1/2011Crozier, Kevin Terracon 189,234 5/19/2020 5/31/2023Crutchfield, Chris Terracon-Greeley 181,556 1/26/2018 1/31/2023Cruz, Fred CDOT (Reg.1) 180,150 4/22/2004 4/1/2007Cubbison, Cecil CDOT (Reg.3-GJ) 180,373 4/11/2018 4/30/2023Cumings, Bill Atkins 180,797 3/27/2014 3/31/2019Cupich, Justin Westest 181,420 12/12/2013 12/31/2016Curtin, Kathryn Vine Laboratories 181,944 4/11/2018 4/30/2021Curtis, Andrew Kumar and Associates (Parker) 189,097 6/13/2019 6/30/2022Curtis, Rhonda ATSER 180,225 3/18/2004 3/1/2007Cushing, Landon Earth Engineering Consultants 181,876 7/27/2017 7/31/2020Custy, Tim TSH Engineering 189,008 8/19/2010 8/1/2013Cuthbert, Alan Kleinfelder Inc. (CO Spgs) 181,188 3/24/2011 3/1/2014Cuypers, Jeff Cesare Inc. 181,134 12/18/2014 12/31/2019Cyr, Shawn Geocal Inc. (CS) 181,256 2/26/2015 2/29/2020Dahlke, Dan CDOT (Reg.2-P) 180,484 2/28/2003 2/1/2006


Tech Name Employer Name Cert Num Cert Date Cert ExpiresDaigneault, Cody CDOT South Holly 181,787 7/11/2019 7/31/2024Dalbo, Brian Westest 189,238 5/20/2020 5/31/2023Dalmadge, Kenneth Terracon 181,189 3/24/2011 3/1/2014Dalton, Scott CDOT (Reg.2-P) 180,439 1/27/2006 1/1/2009Daniels, Tyler Ground Engineering 189,258 6/5/2020 6/30/2023Dantin, Jacob Kumar and Associates (Parker) 181,979 8/23/2018 8/31/2021Darley, Richard HDR, Inc. 181,022 3/3/2016 3/31/2021Daughtry, Sean Geocal, Inc. 180,395 5/3/2002 5/1/2005Daves, Carlin Kiewit 189,136 8/22/2019 8/31/2022Davidson, Jason CTL Thompson (Pueblo) 180,592 6/11/2004 6/1/2007Davidson, Nicholas Ground Engineering 189,288 7/20/2020 7/31/2023Davidson, William Intertek-PSI 180,420 8/30/2002 8/1/2005Davies, Gregory American Geoservices 181,501 8/14/2014 8/31/2017Davila, Christina Rock Sol Consulting Group 181,315 1/30/2020 1/31/2025Davila, Paul CDOT (Reg. 4) 181,421 8/22/2019 8/31/2024Davis, Ali Ground Engineering 180,732 2/19/2009 2/1/2014Davis, Amy Advanced Terra Testing 189,137 8/22/2019 8/31/2022Davis, Douglas Ground Engineering 180,678 6/23/2005 6/1/2008Davis, Dustin Ground Engineering 189,221 5/5/2020 5/31/2023Davis, Edward Ground Engineering 180,862 3/23/2007 3/1/2010Davis, Mark koe 181,102 5/22/2009 5/1/2012Davison, Alex Vine Laboratories 181,824 2/18/2020 2/28/2025Dawkins, Christopher Ground Engineering 182,028 11/29/2018 11/30/2021Dawson, David Yeh & Associates Glenwood Springs 181,835 5/15/2020 5/31/2025Day, Anthony Westest 181,877 7/27/2017 7/31/2020Day, Brooks Triax Engineering 181,591 4/23/2015 4/30/2018Day, Nathaniel A.G. Wassenaar, Inc. 181,542 12/18/2014 12/31/2017De La Cueva, Sergio Eduardo Garcia Ground Engineering 189,206 2/27/2020 2/28/2023de la Rosa, Mark Kleinfelder 180,461 9/18/2014 9/30/2019De Los Santos, Joe Geocal, Inc. 181,037 8/21/2008 8/1/2011De Los Santos, Mark Geocal, Inc. 180,099 2/22/2013 2/1/2018Dean, Brad Westest 180,566 3/18/2004 3/1/2007Dean, David Geocal Inc. (CS) 181,486 7/27/2017 7/31/2022Dean, Tony Geocal Inc. (CS) 181,125 4/18/2013 4/30/2018Debela, Getachew Kiewit 181,533 5/22/2020 5/31/2025DeCaney, Ryan Yeh & Associates 181,286 6/23/2016 6/30/2021DeCoster, Jeffery Ground Engineering 189,243 5/21/2020 5/31/2023Dee, Stephen De-Rey Engineering, Inc. 180,814 9/22/2006 9/1/2009DeGraffe, Thomas Terracare Associates 189,020 7/14/2011 7/1/2014del Monte, Fernando Tetra Tech 181,126 11/19/2009 11/1/2012DeLango, Daniel Intertek-PSI 180,024 10/29/1999 10/1/2002DeMarco, Adrian Geocal, Inc. 180,836 1/18/2007 1/1/2010DeMist, Mason Rock Sol Consulting Group 181,755 7/11/2019 7/31/2024Demmin, Gregory Kumar & Associates (Fraser) 180,503 3/20/2009 3/1/2014Dennis, Shawn Berryman & Henigar 180,641 3/11/2005 3/1/2008Dennis, Terry Rock Sol Consulting Group 180,452 3/27/2014 3/31/2019DeNoto, Zachery Rock Sol Consulting Group 181,578 5/24/2018 5/31/2023Denten, Gina Trautner Geotech 180,737 4/10/2019 4/30/2024Deputy, Xury Rock Sol Consulting Group 181,725 6/23/2016 6/30/2019Deuto, Jeremy Yeh & Associates 180,606 8/12/2004 8/1/2007Devalt, Denny Atkins 181,023 6/19/2008 6/1/2011Devers, Daniel Rock Sol Consulting Group 181,859 2/18/2020 2/28/2025Dewey Jr., Jeffery Ground Engineering 180,632 10/16/2014 10/31/2019Dewey, Brian Kumar and Associates 180,365 5/21/2015 5/31/2020


Tech Name Employer Name Cert Num Cert Date Cert ExpiresDeWitt, Alex Rock Sol Consulting Group 181,650 11/29/2018 11/30/2023DeYoung, Jacob Westest 189,248 5/22/2020 5/31/2023Dhruv, Shyam Ground Engineering 181,989 4/2/2019 4/30/2022Diamond, Jack Yeh & Associates 181,088 3/20/2009 3/1/2012Dickson, Anthony Geomat Inc. 181,016 4/30/2015 4/30/2020Dietrich, John Intertek-PSI 180,451 12/6/2002 12/1/2005Diewald, Gary CTL Thompson (Pueblo) 180,029 11/12/1999 11/1/2002DiFerdinando, Robin CDOT (Reg.5) 180,563 1/12/2006 1/1/2009Diggins, Benjamin Ground Engineering 189,207 2/27/2020 2/28/2023Dignan, Mason Rock Sol Consulting Group 181,579 4/19/2018 4/30/2023Dille, Alec Kumar and Associates (Parker) 181,592 8/23/2018 8/31/2023Dillon, Gordon Kleinfelder (Pueblo) 181,593 4/11/2018 4/30/2023Dillon, Nick Cesare Inc. 182,049 1/24/2019 1/31/2022DiLucente, Demetri Ground Engineering 181,955 5/24/2018 5/31/2021Dinh, Hoang Westest 181,808 12/15/2016 12/31/2019Diol, Djibril Kiewit 189,108 6/27/2019 6/30/2022Dix, Dave Kumar and Associates 180,370 3/8/2002 3/1/2005Dixon, Michael Ground Engineering 180,223 1/5/2001 1/1/2004Dobbs, Greg TSH Engineering 181,534 11/20/2014 11/30/2017Dock, Michael Rock Sol Consulting Group 180,971 2/23/2012 2/1/2017Dodson, Eric Geocal, Inc. 180,939 11/16/2007 11/1/2010Doell, Jason Geocal, Inc. 181,114 8/20/2009 8/1/2012Dolan, Jean Southeast Corridor Constructors 180,379 3/22/2002 3/1/2005Doll, Will Geocal, Inc. 181,970 7/26/2018 7/31/2021Domenico, Dave Kleinfelder 181,415 11/14/2013 11/30/2016Domingue, Nicholas Kleinfelder Inc. (CO Spgs) 181,418 3/23/2017 3/31/2022Dortch, Jesse Southeast Corridor Constructors 180,428 5/26/2006 5/1/2009Doty, Michael Kleinfelder 181,469 6/19/2014 6/30/2017Doudy, Joleigh CDOT (Reg.6) 180,945 10/27/2016 10/31/2021Douthit, David Kumar and Associates (CO Springs) 181,287 6/21/2012 6/1/2015Dowgiallo, Joe Yeh & Associates 189,072 7/11/2019 7/31/2022Downey, Josh CTL Thompson (Pueblo) 180,260 3/16/2001 3/1/2004Downing, Dan CTL Thompson (Pueblo) 180,124 1/17/2003 1/1/2006Dozbaba, Greg koe 180,847 8/19/2010 8/1/2015Draeger, Lee Vine Laboratories 181,594 4/23/2015 4/30/2018Drager, David Ground Engineering 180,952 9/20/2012 9/1/2017Drake, Matthew Geocal, Inc. 180,988 6/23/2016 6/30/2021Drechsel, Kevin Terracon (NM) 181,604 4/30/2015 4/30/2018Drude, David Yeh & Associates 181,788 9/26/2019 9/30/2024Druffel, Matt Kleinfelder 181,280 5/17/2012 5/1/2015Duah, Bright Kiewit 189,138 8/22/2019 8/31/2022DuBose, Megan Vivid Engineering Group 189,200 2/18/2020 2/28/2023DuBuke, Payton Ground Engineering 189,208 2/27/2020 2/28/2023Duckworth, Cameron Ground Engineering 189,259 6/5/2020 6/30/2023Dugger, Brad CDOT (Reg.1) 180,759 4/20/2006 4/1/2009Duke, Thomas CTL Thompson (Pueblo) 180,837 3/18/2010 3/1/2015Dumitru, Cristian Western Technologies (NM) 181,269 4/13/2012 4/1/2015Dunbar, Eric Kumar and Associates 181,706 4/21/2016 4/30/2019Dunn, Tim CDOT Holly Street (North) 180,905 12/17/2015 12/31/2020Duque, Sebastian Ground Engineering 181,527 11/16/2017 11/30/2022Duren, Marcus CDOT (Reg.1) 181,557 1/15/2015 1/31/2018Dusek, Brett Westest 180,953 2/25/2016 2/28/2021Dye, Kevin Yeh & Associates Grand Junction 181,268 4/27/2017 4/30/2022Dyess, Waylon koe 180,364 3/8/2002 3/1/2005


Tech Name Employer Name Cert Num Cert Date Cert ExpiresDygert, Robert Geocal Inc. (CS) 180,523 6/25/2015 6/30/2020Eaman, David CDOT R-4 (Loveland) 180,002 5/23/2008 5/1/2013Earl, Jon Westest 181,937 3/22/2018 3/31/2021Earley, Shea CTL Thompson Inc. (Colorado Springs) 180,954 1/11/2008 1/1/2011Ebel, Jessica CDOT (Reg.5) 180,774 4/30/2015 4/30/2020Ebel, Russel CDOT (Reg.5) 180,257 4/8/2014 4/30/2019Eckert, Gerard Ground Engineering 181,381 6/20/2013 6/30/2016Eckhart, Cullen Ground Engineering 182,010 10/25/2018 10/31/2021Eckhart, Matthew Geocal, Inc. 181,152 5/13/2010 5/1/2013Eckles, Loren CDOT (Reg.1) 180,240 4/19/2007 4/1/2010Edwards, Alex CDOT - HQ 180,325 6/14/2018 6/30/2023Ehlers, Shannon CDOT (Reg.3-GJ) 180,186 12/12/2013 12/31/2018Ehrlich, Jeremy Hollingsworth & Associates 180,175 5/12/2000 5/1/2003Eichman, Richard NWCC 181,226 11/21/2019 11/30/2024Eiffler, Jason Kumar and Associates (CO Springs) 180,508 2/23/2017 2/28/2022Einspahr, Travis Kumar and Associates (CO Springs) 181,288 6/21/2012 6/1/2015Ekstrom, Robert United Companies 180,716 1/12/2006 1/1/2009El Jammal, Rabih Yeh & Associates 182,053 1/24/2019 1/31/2022Elareir, Khalil Martinez Associates 182,017 11/28/2018 11/30/2021Eldredge, Parker CTL Thompson (Pueblo) 180,955 1/11/2008 1/1/2011Elhardt, Jim Intertek-PSI 182,036 12/13/2018 12/31/2021Eliason, Andy Ground Engineering 180,222 1/5/2001 1/1/2004Elliott, Steven Kleinfelder (Pueblo) 181,707 4/21/2016 4/30/2019Ellis, Bleu CDOT R-4 (Limon) 181,945 4/11/2018 4/30/2021Ellis, Chris Geocal, Inc. 180,396 4/21/2005 4/1/2008Ellis, Craig CTL Thompson (Ft. Collins) 180,972 2/21/2008 2/1/2011Ellis, Steven CDOT (Reg. 4) 180,956 12/16/2010 12/1/2015Elorriaga, John Tyler Rock Sol Consulting Group 181,789 10/27/2016 10/31/2019Elsbernd, Dustin Geocal, Inc. 180,343 10/25/2018 10/31/2023Emerick, Doug Golder Associates 180,301 8/10/2001 8/1/2004Emery, Travis Ground Engineering 181,886 9/21/2017 9/30/2020Emmons, Michael Kumar and Associates 189,297 7/30/2020 7/31/2023Endres, Gary De-Rey Engineering, Inc. 180,863 3/23/2007 3/1/2010England, Adam CTL Thompson (Ft. Collins) 181,558 9/26/2018 9/30/2023Ennefer, Michael Yeh & Associates (Durango) 189,066 4/10/2019 4/30/2022Enniss, Leonard In Tec of Denver Metro LLC 180,268 3/23/2007 3/1/2010Epperson, Heath PCH 181,321 1/17/2013 1/1/2016Erickson, Jon Empire Management Inc. 189,002 8/20/2009 8/1/2012Esparza, Oscar Intertek-PSI 180,412 7/26/2002 7/1/2005Espinosa, Andrew Ninyo & Moore 181,382 6/20/2013 6/30/2016Espinoza, Mark FHA-FLHD 181,439 2/27/2014 2/28/2017Esslinger, William Cesare Inc. 181,956 5/24/2018 5/31/2021Etezazian, Ata Ground Engineering 181,766 9/22/2016 9/30/2019Ethridge, Lori CDOT (Reg.5) 189,027 4/13/2012 4/1/2015Etsitty, Darren AMEC Environment & Infrastructure 181,449 4/8/2014 4/30/2017Evans, Chris Terracon 180,664 5/6/2005 5/1/2008Evans, Dylan Ground Engineering 181,843 4/27/2017 4/30/2020Evans, Terry CDOT (Reg.6) 180,082 2/19/2009 2/1/2014Evans, Tim Kleinfelder 180,564 3/18/2004 3/1/2007Evans, Timothy Kleinfelder 180,687 8/25/2005 8/1/2008Evenson, Nathan Yeh & Associates 180,913 7/20/2007 7/1/2010Everett, Michael Ground Engineering 180,848 2/16/2007 2/1/2010Evers, Paul A.G. Wassenaar, Inc. 180,816 2/25/2016 2/28/2021Eversberg, Johnathan Ground Engineering 181,679 2/25/2016 2/28/2019


Tech Name Employer Name Cert Num Cert Date Cert ExpiresEvig, Darrell Vine Laboratories 180,059 5/21/2015 5/31/2020Ewing, James City of Aurora 180,183 6/2/2000 6/1/2003Fabery, Joseph Terracon 189,109 6/27/2019 6/30/2022Facemyer, David URS Greiner (Denver) 180,033 10/23/2003 10/1/2006Fadel, Dwight Terracon 181,897 10/26/2017 10/31/2020Fahrenkrug, Don Western Technologies Inc. 180,775 5/12/2006 5/1/2009Fairbairn, Michael Premier Paving Inc. 180,625 1/22/2010 1/1/2015Fairman, Brian CDOT R-3 (GS) 180,415 7/26/2002 7/1/2005Falk, Paul Ground Engineering 181,395 8/25/2016 8/31/2021Falls, Dan CDOT (Reg.1) 180,940 6/16/2011 6/1/2016Farver, Lee Ground Engineering 180,679 6/23/2005 6/1/2008Fasae, Tolulope Triax Engineering 189,298 7/30/2020 7/31/2023Federico, John Kleinfelder (Pueblo) 180,423 9/24/2015 9/30/2020Federle, Brad Ground Engineering 181,349 3/22/2013 3/1/2016Feider, Joshua Terracon (Colorado Springs) 181,235 9/22/2011 9/1/2014Felix, Jacob Terracon 181,516 4/19/2018 4/30/2023Felix, Stephen CDOT R-3 (M) 180,714 4/10/2014 4/30/2019Feltner, Jeremy Rock Sol Consulting Group 180,691 10/22/2015 10/31/2020Ferguson, Benton A.G. Wassenaar, Inc. 181,064 12/18/2008 12/1/2011Ferguson, Cole Vine Laboratories 189,271 6/11/2020 6/30/2023Ferguson, Karl Koechlien Consulting Engineering(GJ) 181,176 12/16/2010 12/1/2013Ferguson, Sasche Kumar & Associates (Frisco) 181,238 10/13/2011 10/1/2014Fernandez, Christian Ground Engineering 181,528 10/16/2014 10/31/2017Ferro, Brandon Advanced Terra Testing 181,993 9/27/2018 9/30/2021Fesmire, Ben Ground Engineering 181,396 9/22/2016 9/30/2021Fetous, Rachid Yeh & Associates 180,532 10/23/2003 10/1/2006Feuerstein, Charese CDOT (Reg. 4) 181,079 1/9/2009 1/1/2012Feuerstein, Dillan Ground Engineering 189,089 5/30/2019 5/31/2024Feuerstein, Larry Collins Engineers, Inc. 181,218 6/16/2011 6/1/2014Fey, Martin Rock Sol Consulting Group 181,463 3/23/2017 3/31/2022Field, Brandon Ground Engineering 181,646 10/22/2015 10/31/2018Fielding, Gerald CDOT (Reg. 4) 180,643 3/24/2005 3/1/2008Fields, Dallas Westest 181,616 5/21/2015 5/31/2018Fields, Jordan Western Technologies Inc. 181,207 12/13/2018 12/31/2023Fields, Rob Ground Engineering 181,103 4/19/2012 4/1/2017Filter, Karen United Companies 181,270 4/13/2012 4/1/2015Fintel, Nathan Ground Engineering 180,562 3/5/2004 3/1/2007Fisher, Regina Acura Engineering 181,104 5/17/2012 5/1/2017Fitch, William Terracon 182,018 11/28/2018 11/30/2021Fleming, Alicia Terradyne 181,461 5/22/2014 5/31/2017Fletcher, Kevin Ground Engineering 189,118 7/11/2019 7/31/2022Fletcher, Mark Ground Engineering 181,441 2/23/2017 2/28/2022Fletcher, Stan Ground Engineering 180,326 11/30/2001 11/1/2004Flores, Lawrence URS Greiner (Denver) 180,199 7/28/2000 7/1/2003FloresHernandez, Erick Ground Engineering 189,249 5/22/2020 5/31/2023Focht, Josh Ground Engineering 181,543 12/18/2014 12/31/2017Foley, Dennis Ground Engineering 181,887 9/21/2017 9/30/2020Foley, Patrick CTL Thompson (Pueblo) 181,212 5/19/2011 5/1/2014Folino, Dante Kumar and Associates 181,517 8/24/2017 8/31/2022Foote, Glen Kumar and Associates (CO Springs) 180,058 1/7/2000 1/1/2003Foresman, Bryant Trautner Geotech 181,688 3/1/2016 3/31/2019Forni II, John Carter Burgess 180,084 2/25/2000 2/1/2003Fosket, Dawn City of Greeley 180,505 4/11/2003 4/1/2006Fosket, Diane Earth Engineering Consultants 180,864 3/23/2007 3/1/2010


Tech Name Employer Name Cert Num Cert Date Cert ExpiresFoss, Thomas CDOT R-3 (M) 180,148 4/4/2000 4/1/2003Foster, Judd koe 180,374 2/18/2010 2/1/2015Foster, Steve Yeh & Associates (Durango) 181,946 4/11/2018 4/30/2021Fournier, Scott Ground Engineering 181,663 12/13/2018 12/31/2023Fowler, Brandon Ground Engineering 181,535 11/20/2014 11/30/2017Fowler, Ross Ground Engineering 182,050 1/24/2019 1/31/2022Fowler, Scott Trautner Geotech 181,208 4/8/2014 4/30/2019Fraizier, Scott CDOT (Reg.2-P) 180,824 10/19/2006 10/1/2009Francis, Brian Yeh & Associates 180,650 4/8/2005 4/1/2008Franklin, Catherine CTL Thompson (Pueblo) 180,137 4/5/2000 4/1/2003Frankovich, Richard Yeh & Associates 180,528 1/15/2015 1/31/2020Franks, Gegory Terracon 180,640 3/11/2005 3/1/2008Frase, Jeremaih A.G. Wassenaar, Inc. 181,350 2/25/2016 2/28/2021Frazier, Jack HDR, Inc. 180,872 4/1/2011 4/1/2016Frederiksen, Jon URS Greiner (Denver) 180,692 10/27/2005 10/1/2008Freeman II, Michael Kleinfelder-Golden 180,384 6/21/2012 6/1/2017French, Justin A.G. Wassenaar, Inc. 181,922 2/22/2018 2/28/2021Freund, Michelle Terracon (NE) 181,464 5/22/2014 5/31/2017Frey, Jeffrey Ground Engineering 181,860 5/18/2017 5/31/2020Friare, Peter Kleinfelder Inc. (CO Spgs) 181,283 5/17/2012 5/1/2015Friend, Branden ATSER 180,470 2/14/2003 2/1/2006Fritz, Andrew Geocal, Inc. 180,989 4/17/2008 4/1/2011Fry, Robert Ground Engineering 180,227 1/5/2001 1/1/2004Frydenlund, Tony Ground Engineering 180,598 12/18/2014 12/31/2019Fuentes, Luis A.G. Wassenaar, Inc. 181,790 10/27/2016 10/31/2019Furnes, Drew CDOT R-4 (Limon) 189,104 6/13/2019 6/30/2022Fusco, Debra Terracon (Colorado Springs) 181,006 5/23/2008 5/1/2011Gabel, Brian A.G. Wassenaar, Inc. 181,916 1/26/2018 1/31/2021Gadde, Harish Kumar Martinez Associates 181,898 10/26/2017 10/31/2020Gaglianese, Mike Vine Laboratories 189,038 3/28/2019 3/31/2022Gagnon, Kevin Trautner Geotech 181,605 4/30/2015 4/30/2018Gallant, Darren Geocal Inc. (CS) 180,899 2/25/2016 2/28/2021Gallegos, Michael CDOT (Reg.1) 180,957 4/21/2011 4/1/2016Galloway, Joseph Ground Engineering 181,957 5/24/2018 5/31/2021Garcia, Daniel Rock Sol Consulting Group 182,051 1/24/2019 1/31/2022Garcia, Gary Kleinfelder Inc. (CO Spgs) 181,201 5/22/2014 5/31/2019Garcia, Julian Four Corners Materials 181,368 4/26/2013 4/1/2016Garcia, Leroy CDOT R-5 (Alamosa) 181,061 12/4/2008 12/1/2011Garcia, Michael Kleinfelder (Pueblo) 180,281 5/11/2001 5/1/2004Gardner, David Ground Engineering 180,607 8/12/2004 8/1/2007Garlington, Tammy Western Technologies (NM) 180,585 6/11/2004 6/1/2007Garman, Michael CDOT (Reg.2-P) 180,865 4/23/2015 4/30/2020Garner, Brad Intertek-PSI 180,413 6/23/2005 6/1/2008Garofallou, Patrick Yeh & Associates 181,138 2/18/2010 2/1/2013Garon, Noah Western Technologies Inc. 180,398 5/17/2002 5/1/2005Garrett Jr., Delbert CDOT R-5 (Alamosa) 180,539 12/11/2003 12/1/2006Garrity Jr., William Vivid Engineering Group 189,189 1/30/2020 1/31/2023Garvey, Tyler Ground Engineering 182,002 10/18/2018 10/31/2021Garza, Tony Intertek-PSI 180,445 12/6/2002 12/1/2005Garzon, Diana C. Prado Westest 181,923 2/22/2018 2/28/2021Gass, Jordan Ground Engineering 181,410 10/17/2013 10/31/2016Gavin, Trevor Intertek-PSI 180,434 10/18/2002 10/1/2005Gebretsadik, Tadele Ground Engineering 181,442 4/27/2017 4/30/2022Gee Jr., Thomas Earth Engineering Consultants 180,541 6/19/2014 6/30/2017


Tech Name Employer Name Cert Num Cert Date Cert ExpiresGee, Tim Asphalt Specialties 180,542 1/9/2004 1/1/2007Geling, Frederick Intertek-PSI 180,660 8/15/2013 8/31/2018Genger, Christine CDOT (Reg.2-C) 180,164 1/15/2015 1/31/2020George, Roy CTL Thompson (Pueblo) 180,973 2/21/2008 2/1/2011German, Brian Kumar and Associates 180,473 5/26/2006 5/1/2009Gibbons, Dylan RS&H, Inc. 181,917 1/26/2018 1/31/2021Gibson, Nate Weld County Public Works 181,836 3/23/2017 3/31/2020Gibson, Samuel Westest 189,201 2/18/2020 2/28/2023Gilbert, Arlando CDOT (Reg.5) 180,712 1/12/2006 1/1/2009Gill, Zach RS&H, Inc. 181,918 1/26/2018 1/31/2021Gillaspy, Matthew Cesare Inc. 181,372 5/23/2013 5/31/2016Gillen, Michael Nolte & Associates 180,906 6/21/2007 6/1/2010Gillespie, Will H-P Geotech (Parker) 181,080 1/9/2009 1/1/2012Gilley, Stephan Ninyo & Moore 181,139 2/18/2010 2/1/2013Gilliam, Maurice Rock Sol Consulting Group 180,372 12/17/2015 12/31/2020Gillis, Diamond Rock Sol Consulting Group 181,680 2/21/2019 2/29/2024Giron, Manuel Ground Engineering 181,383 6/23/2016 6/30/2021Glover, Cory CDOT R-3 (M) 181,641 9/24/2015 9/30/2018Godwin, J. Rock Sol Consulting Group 180,873 1/30/2020 1/31/2025Goetz, Steven Olsson Associates 180,921 2/26/2015 2/29/2020Goff, Niki Ground Engineering 182,003 10/18/2018 10/31/2021Golden, Coulter CDOT R-3 (M) 180,217 11/17/2011 11/1/2016Golden, Matthew Rock Sol Consulting Group 180,829 1/19/2012 1/1/2017Gomez, Carlos CDOT (Reg. 4) 180,100 10/13/2011 10/1/2016Gomez, Rocky A.G. Wassenaar, Inc. 181,487 7/17/2014 7/31/2017Gomke, Sandra Yeh & Associates 181,265 12/13/2018 12/31/2023Gonser, Derek Rock Sol Consulting Group 189,282 6/19/2020 6/30/2023Gonser, Steven CDOT (Reg. 4) 180,005 9/27/2018 9/30/2023Gonser, Todd CDOT (Reg. 4) 180,018 10/4/2002 10/1/2005Gonzales Jr., Elmer Yeh & Associates 180,838 2/23/2017 2/28/2022Gonzales, Pablo CDOT (Reg.1) 181,177 11/20/2014 11/30/2019Gonzales, Toby Acura Engineering 181,281 5/17/2012 5/1/2015Gonzalez, Jr., Fidel CDOT (Reg. 4) 180,204 8/21/2003 8/1/2006Gooding, Terrell Vine Laboratories 181,767 10/24/2019 10/31/2024Goodrich, Alex Ground Engineering 181,529 11/16/2017 11/30/2022Goodrich, Christopher Vine Laboratories 181,938 3/22/2018 3/31/2021Goodsell, Mike Rock Sol Consulting Group 180,874 2/26/2015 2/29/2020Goracke, Travis Kleinfelder 180,235 9/17/2004 9/1/2007Gordon, Devin Dowl 181,598 4/28/2015 4/30/2018Gordon, Sean Terracon 181,334 1/26/2018 1/31/2023Gosciminski, Justin Ground Engineering 189,147 9/26/2019 9/30/2022Goss, Robert Kumar & Associates (Frisco) 181,353 4/18/2013 4/1/2016Goudjil, Nordine CDOT (Reg.5) 180,322 3/18/2011 3/1/2016Goure, Steve CDOT (Reg.2-P) 180,294 4/17/2008 4/1/2013Gowins, John Kumar & Associates (Frisco) 181,373 2/23/2017 2/28/2022Graeve, Joshua Ground Engineering 189,210 2/27/2020 2/28/2023Graham, Andrew Ground Engineering 181,434 2/27/2014 2/28/2017Graham, David Terracon-Greeley 181,038 2/22/2013 2/1/2018Graham, Galen Kumar & Associates (Ft. Collins) 189,098 6/13/2019 6/30/2022Graham, Kellan Westest 181,740 7/21/2016 7/31/2019Graham, Shane H-P GeoTech 181,069 12/18/2008 12/1/2011Granahan, Paul CDOT - HQ 180,958 2/17/2011 2/1/2016Granato, Mike A.G. Wassenaar, Inc. 181,809 12/15/2016 12/31/2019Granato, Mike A.G. Wassenaar, Inc. 181,791 5/20/2020 5/31/2025


Tech Name Employer Name Cert Num Cert Date Cert ExpiresGray, Bruce Schmuesen Gordon Meyer 180,959 9/22/2016 9/30/2021Gray, Jarom Terracon (Colorado Springs) 181,718 5/19/2016 5/31/2019Gray, Ryan Ground Engineering 189,283 6/19/2020 6/30/2023Graybill, Cari Atkins 180,974 2/21/2008 2/1/2011Greason, Earl Geocal, Inc. 181,488 6/14/2018 6/30/2023Grebenik, Dole CDOT (Reg.2-P) 180,487 3/14/2003 3/1/2006Grecu, Vlad Westest 181,829 2/23/2017 2/29/2020Greeley, Richard Terracon 189,052 4/2/2019 4/30/2022Green, Daniel CDOT R-3 Eagle 180,637 3/11/2005 3/1/2008Green, Donald CDOT R-3 (M) 180,511 4/16/2010 4/1/2015Green, Jonathan CDOT (Reg.1) 180,736 1/27/2006 1/1/2009Green, Justin Vine Laboratories 181,518 10/26/2017 10/31/2022Green, Nathan Yeh & Associates 181,024 7/21/2016 7/31/2021Green, Thomas Kumar and Associates (CO Springs) 180,151 12/11/2003 12/1/2006Greene, Jeffrey Parsons Transportation Group 180,537 10/23/2003 10/1/2006Greer, James koe 180,286 8/19/2010 8/1/2015Greer, William Martinez Associates 180,932 12/21/2017 12/31/2022Greg, Yuri Vivid Engineering Group 189,039 3/28/2019 3/31/2022Gregory, Scott Terracon (NE) 180,960 1/11/2008 1/1/2011Grenfell, Jeffrey Rock Sol Consulting Group 181,726 6/23/2016 6/30/2021Grenfell, Nick Rock Sol Consulting Group 181,489 1/26/2017 1/31/2022Grennan, Zach Rock Sol Consulting Group 181,741 2/21/2019 2/29/2024Griest, Dale PCH 180,603 1/14/2011 1/1/2016Griffin, Brett U.S. Dept. of Interior Bureau of Reclamation 180,590 4/27/2007 4/1/2010Griffith, Richard Western Technologies Inc. 180,319 10/12/2001 10/1/2004Grinder, Thomas CDOT - HQ 180,421 6/17/2019 6/30/2024Grissom, Derek Westest 181,651 11/19/2015 11/30/2018Grmoljez, Bill Ground Engineering 180,629 2/25/2005 2/1/2008Groenendale, David CTL Thompson Inc. (Colorado Springs) 181,239 10/13/2011 10/1/2014Groh, Carin Rock Sol Consulting Group 181,354 4/18/2013 4/1/2016Gross, Paul LaFarge 180,424 8/30/2002 8/1/2005Group, Robert CDOT - HQ 181,335 2/22/2013 2/1/2016Grubser, Mitch Yeh & Associates (Durango) 180,990 4/17/2008 4/1/2011Gruenberger, Scott Terracon Ft. Collins 180,803 5/19/2016 5/31/2021Gruenwald, Daniel Yeh & Associates 180,922 9/27/2018 9/30/2023Guberud, Erik Atkins 181,768 9/22/2016 9/30/2019Guenther, Wilma Yeh & Associates 180,389 4/26/2002 4/1/2005Guerra, Angelo Ground Engineering 182,004 10/18/2018 10/31/2021Guikema, Mark Ground Engineering 180,626 3/21/2008 3/1/2013Guinagh, Bryan Terracon 181,457 4/24/2014 4/30/2017Guisinger, Patrick Ground Engineering 181,962 6/14/2018 6/30/2021Gulzad, Yama Ground Engineering 189,170 11/21/2019 11/30/2022Gunter, Seth CTL Thompson-Glenwood Springs 180,471 2/14/2003 2/1/2006Gunther, Rick City of Grand Junction 180,604 6/5/2020 6/30/2025Gust, Nicholas Ground Engineering 181,980 8/23/2018 8/31/2021Guynn, Bryant Scott Alaxadsu 180,798 6/22/2006 6/1/2009Gwartney, Randall Carter Burgess 180,075 2/11/2000 2/1/2003Gwartney, Rick Carter Burgess 180,174 5/12/2000 5/1/2003Hadish, Mistrear Westest 189,253 6/3/2020 6/30/2023Hafersat, Seth Ground Engineering 181,336 2/25/2016 2/28/2021Hafey, Wade Western Colorado Testing, Inc. 180,111 3/25/2000 3/1/2003Haidak, Jacob A.G. Wassenaar, Inc. 181,681 2/25/2016 2/28/2019Haight, Donna CDOT (Reg.6) 180,507 4/11/2003 4/1/2006Hailey, Ronnie Western Technologies (NM) 181,209 4/29/2011 4/1/2014


Tech Name Employer Name Cert Num Cert Date Cert ExpiresHaines, Kenny Asphalt Specialties 180,545 1/9/2004 1/1/2007Hajek, Tadd Empire Consulting Services 180,069 8/19/2010 8/1/2015Halbach, Christopher Vine Laboratories 189,053 4/2/2019 4/30/2022Halbmaier, Keyo Kleinfelder (Pueblo) 181,837 3/23/2017 3/31/2020Hall, Derek Terracon Ft. Collins 181,299 8/16/2012 8/1/2015Hall, Kelly Highway Technical Engineering Services 181,127 11/19/2009 11/1/2012Hallaver, Sterling Vine Laboratories 181,595 4/23/2015 4/30/2018Halper, Timothy Atkins 181,355 4/18/2013 4/1/2016Halsband, Scott Trautner Geotech 181,111 6/12/2009 6/1/2012Halverson, Travis Kumar & Associates (Frisco) 181,470 6/19/2014 6/30/2017Hambourger, Ross Terracon 180,422 8/30/2002 8/1/2005Hamby, Donald Ground Engineering 181,519 7/25/2019 7/31/2024Hamer, Dalton Rock Sol Consulting Group 182,037 12/13/2018 12/31/2021Hamilton, Jeffrey CTL Thompson (Pueblo) 180,288 6/8/2001 6/1/2004Hamilton, Kevin Kumar and Associates 180,254 3/2/2001 3/1/2004Hammer, Jonathan Terracon-Greeley 181,708 4/21/2016 4/30/2019Hampton III, Thomas Yeh & Associates 180,677 6/5/2020 6/30/2025Hane, Samba Ground Engineering 182,052 1/24/2019 1/31/2022Haney, Alex Weaver Consultants Group 181,569 6/14/2018 6/30/2023Hanigan, Tyler Westest 189,080 5/13/2019 5/31/2022Hannum, Hugh Ground Engineering 189,190 1/30/2020 1/31/2023Hannum, Orlie Ground Engineering 180,914 7/20/2007 7/1/2010Hannum, Thomas Transit Mix of Colorado Springs 180,226 1/5/2001 1/1/2004Hansen, Devon Kleinfelder 189,191 1/30/2020 1/31/2023Hanson, Jacob Kumar & Associates (Ft. Collins) 181,374 5/23/2013 5/31/2016Hanson, Leigh Ground Engineering 180,361 2/22/2002 2/1/2005Haptonstall, Dennis CDOT (Reg.3-GJ) 180,007 2/28/2003 2/1/2006Harcourt, Alexander Ground Engineering 181,504 7/27/2017 7/31/2022Harding, Michael par 180,696 10/27/2005 10/1/2008Hargadine, Peter Ground Engineering 181,397 8/15/2013 8/31/2016Harless, Chantel Buckhorn Geotech 181,422 12/12/2013 12/31/2016Harmon, Dallas Ground Engineering 181,697 4/5/2016 4/30/2019Harmon, Thomas Kiewit 182,005 10/18/2018 10/31/2021Harms, Kai Ground Engineering 189,211 2/27/2020 2/28/2023Harn, Trey Yeh & Associates Grand Junction 181,690 4/10/2019 4/30/2024Harnan, Lila CDOT - HQ 180,267 10/14/2004 10/1/2007Harper, Michael RS&H, Inc. 181,963 6/14/2018 6/30/2021Harrington, John Rock Sol Consulting Group 181,190 3/27/2014 3/31/2019Harris, Stephanie Ground Engineering 180,575 5/7/2004 5/1/2007Harris, Taylor Vine Laboratories 189,040 3/28/2019 3/31/2022Harris, Yanter koe 180,866 3/23/2007 3/1/2010Harrison, Kyle Vivid Engineering Group 189,081 5/13/2019 5/31/2022Harron, Christopher Ground Engineering 181,939 3/22/2018 3/31/2021Harshman, Jeramy Buckhorn Geotech 181,364 4/23/2013 4/1/2016Harshman, Jeremy Dowl 189,067 4/10/2019 4/30/2022Hart, Sterling Vine Laboratories 180,599 2/18/2020 2/28/2025Hartsell, Adam Geocal, Inc. 181,924 2/22/2018 2/28/2021Harty, Michael Ground Engineering 180,621 12/16/2004 12/1/2007Harvey, Sean Lyman Henn Inc. 180,440 3/24/2006 3/1/2009Hasbrouck, David Yeh & Associates 181,195 7/11/2019 7/31/2024Hassler, Nick Vine Laboratories 189,269 5/8/2020 5/31/2023Hastings, Eric Alfred Benesch Company 181,568 2/26/2015 2/28/2018Hastings, Thomas A.G. Wassenaar, Inc. 180,016 10/21/2005 10/1/2008Hatch, Jeffrey Western Technologies Inc. 181,369 4/26/2013 4/1/2016


Tech Name Employer Name Cert Num Cert Date Cert ExpiresHauanio, Jonah Kana'ina Ground Engineering 189,119 7/11/2019 7/31/2022Hawk, Bill Southeast Corridor Constructors 180,493 3/28/2003 3/1/2006Hawkins, Lee Intertek-PSI 181,520 9/18/2014 9/30/2017Hawks, Jeffrey Vine Laboratories 181,236 9/22/2011 9/1/2014Hayes, Derrick Lambert & Associates 180,776 5/12/2006 5/1/2009Hayes, Randall CTL Thompson - Denver 180,991 1/23/2014 1/31/2019Hayle, Abenet Terracon 181,025 8/18/2011 8/1/2016Hays, Bobby Yeh & Associates 180,237 1/23/2004 1/1/2007Hayworth, Timothy H-P Geotech (Glenwood Springs) 180,569 4/9/2004 4/1/2007Heasley, John Terracon-Longmont 180,825 10/19/2006 10/1/2009Heath, Teresa Kumar and Associates (CO Springs) 180,309 9/28/2001 9/1/2004Hebard, Andrea CDOT Holly Street (North) 180,282 1/15/2015 1/31/2020Heck, Michael Ground Engineering 181,958 5/24/2018 5/31/2021Heckard, William Buckhorn Geotech 181,365 4/23/2013 4/1/2016Heckart, Dustin Terracon 181,810 12/15/2016 12/31/2019Hecker, Callen Rock Sol Consulting Group 181,811 1/30/2020 1/31/2025Heffner, Ronald Southeast Corridor Constructors 180,458 5/26/2006 5/1/2009Heffron, Dean Ground Engineering 181,028 6/19/2008 6/1/2011Hegler, Ryan Ground Engineering 181,322 2/25/2016 2/28/2021Hehiawy, Joseph Southeast Corridor Constructors 180,589 6/11/2004 6/1/2007Heid, Fred Carter Burgess CO Springs 180,115 2/14/2003 2/1/2006Heikkinen, Davin Southeast Corridor Constructors 180,557 3/5/2004 3/1/2007Heikkinen, Loren Southeast Corridor Constructors 180,553 2/19/2004 2/1/2007Hein, Candice CH2MHill 189,031 4/18/2013 4/1/2016Heinz, Scott Ground Engineering 181,443 3/27/2014 3/31/2017Helt, Dylan Ground Engineering 181,981 8/23/2018 8/31/2021Henderson, Benjamin Geocal, Inc. 181,630 9/27/2018 9/30/2023Henderson, Brad PCH 181,026 1/17/2013 1/1/2018Henderson, Carl Ground Engineering 180,049 8/20/2009 8/1/2014Hendsbee, Brian Kumar and Associates 181,337 1/28/2016 1/31/2021Henk, Nicholas koe 180,168 4/29/2000 4/1/2003Henry, Ian Terracon 181,403 9/20/2013 9/30/2016Hensley, Charles A.G. Wassenaar, Inc. 180,302 8/10/2001 8/1/2004Hensley, Elizabeth Ground Engineering 180,646 3/24/2005 3/1/2008Herlihy, Michael Bechtolt 181,606 4/30/2015 4/30/2018Hernandez, Edgar Martinez Associates 189,228 5/8/2020 5/31/2023Hernandez, Francisco Rock Sol Consulting Group 181,727 9/26/2019 9/30/2024Hernandez, Ivan Yeh & Associates 181,147 8/25/2016 8/31/2021Hernandez, Pablo Ground Engineering 181,300 12/17/2015 12/31/2020Hertel, Samuel Ground Engineering 189,054 4/2/2019 4/30/2022Heupel, Tyler Terracon Ft. Collins 180,799 6/22/2006 6/1/2009Hewson, Dean Ninyo & Moore 181,027 3/22/2013 3/1/2018Hickman, Amy Geocal, Inc. 180,051 12/17/1999 12/1/2002Hidalgo, Gerardo Ground Engineering 181,971 7/26/2018 7/31/2021Hieber, Andrew Rock Sol Consulting Group 181,580 5/24/2018 5/31/2023Hieber, Steven Yeh & Associates Glenwood Springs 181,196 4/10/2019 4/30/2024Higashide, Jocelyn CDOT (Reg.2-P) 181,797 11/17/2016 11/30/2019Higginson, Ryan United Companies 180,720 1/12/2006 1/1/2009Hill, Ishac A.G. Wassenaar, Inc. 180,725 1/26/2006 1/1/2009Hill, James Duncan Construction Inc. 180,280 5/11/2001 5/1/2004Hill, Timothy H-P Geotech (Parker) 181,084 2/19/2009 2/1/2012Hilton, Kai Terracon 181,728 6/23/2016 6/30/2019Hilzer, Randall Ground Engineering 181,301 4/21/2016 4/30/2021Hinchsliff, Jack Rock Sol Consulting Group 189,041 3/28/2019 3/31/2022


Tech Name Employer Name Cert Num Cert Date Cert ExpiresHiruy, Habtamu Triax Engineering 181,994 9/27/2018 9/30/2021Hodges, John Ground Engineering 181,202 4/21/2011 4/1/2014Hodgson, Austin Terracon Ft. Collins 180,992 4/17/2008 4/1/2011Hoedl, Lucas CTL Thompson (Pueblo) 181,085 2/19/2009 2/1/2012Hoffman Jr., Donald koe 180,312 1/18/2007 1/1/2010Hoffman, Jerry URS Greiner (CO. Springs) 180,056 8/18/2011 8/1/2016Hoffman, Timothy Westest 181,323 1/17/2013 1/1/2016Holbrook, Josh Weld County Public Works 181,883 8/24/2017 8/31/2020Holck, Mitchell CDOT (Reg.2-C) 181,830 2/23/2017 2/29/2020Holland, Brandon Vine Laboratories 189,120 7/11/2019 7/31/2022Holland, Jeremiah Kumar and Associates (CO Springs) 180,527 7/24/2003 7/1/2006Holloway, Jonathan Ground Engineering 181,995 9/27/2018 9/30/2021Hollowell, Clay Vine Laboratories 181,947 4/11/2018 4/30/2021Holmes, Brad Rock Sol Consulting Group 181,719 10/24/2019 10/31/2024Holmes, Nathaniel Westest 181,324 1/28/2016 1/31/2021Holmes, Taylor Rock Sol Consulting Group 189,242 5/20/2020 5/31/2023Holstein, Aaron Ground Engineering 189,090 5/30/2019 5/31/2022Holstein, Justin Intertek-PSI 180,219 12/1/2000 12/1/2003Honanie, Isadore CDOT (Reg.5) 181,067 4/8/2014 4/30/2019Hoole, Bryan Vine Laboratories 189,055 4/2/2019 4/30/2022Hoopes, John Rock Sol Consulting Group 181,844 4/27/2017 4/30/2020Hoover, Brandon Southeast Corridor Constructors 180,477 2/14/2003 2/1/2006Hoover, Matthew Construction Technical Services 180,303 8/10/2001 8/1/2004Horianopoulos, Nicholas Geocal, Inc. 189,229 5/8/2020 5/31/2023Hosseini, Seyed Rock Sol Consulting Group 181,384 4/21/2016 4/30/2021Hosteen, Benjamin Western Technologies (NM) 180,777 5/12/2006 5/1/2009Hotchkiss, Alan CDOT - HQ 180,004 4/10/2019 4/30/2024Hothan, Julie Rock Sol Consulting Group 181,756 7/24/2020 7/31/2025Hougard, Brandon Geocal, Inc. 181,570 2/22/2018 2/28/2023Houlihan, Patrick Ground Engineering 181,276 4/19/2012 4/1/2015Houston, Derrick Geocal, Inc. 189,181 12/12/2019 12/31/2024Houston, Derrick Ground Engineering 181,812 12/15/2016 12/31/2019Howard, Deryck Ninyo & Moore 181,908 12/21/2017 12/31/2020Howe, Kristal Terracon 180,923 9/21/2007 9/1/2010Howe, Tara Western Technologies (NM) 180,335 1/11/2002 1/1/2005Howell, Charles Yeh & Associates Grand Junction 181,691 4/10/2019 4/30/2024Howell, Wes Intertek-PSI 180,760 4/20/2006 4/1/2009Howes, Eric Trautner Geotech 181,769 4/10/2019 4/30/2024Howlett, Jesse Earth Engineering Consultants 180,800 6/22/2006 6/1/2009Howlett, Travis Earth Engineering Consultants 180,669 6/25/2015 6/30/2020Hoyos, George Cesare Inc. 181,861 1/30/2020 1/31/2025Hubbard, Marc Westest 189,222 5/5/2020 5/31/2023Huddleston, Amanda Western Technologies Inc. 180,663 5/6/2005 5/1/2008Huddleston, James Western Colorado Testing, Inc. 180,138 3/5/2004 3/1/2007Huemmler, Thomas CTL Thompson (Ft. Collins) 181,990 9/26/2018 9/30/2021Huff, Cody Southeast Corridor Constructors 180,391 4/26/2002 4/1/2005Hughes, Jordan United Companies 189,139 8/22/2019 8/31/2022Huitema, Jake Martinez Associates 181,536 8/23/2018 8/31/2023Hull, Philip URS Greiner (Denver) 180,727 1/26/2006 1/1/2009Hullinger, Dylan Westest 181,158 7/26/2018 7/31/2023Humphrey, Thomas CDOT (Reg.5) 180,634 2/25/2005 2/1/2008Hunt, Steven Ninyo & Moore 181,831 2/23/2017 2/29/2020Hunter, Jack Yeh & Associates Glenwood Springs 180,514 2/19/2009 2/1/2014Hurley, Timothy Vine Laboratories 181,070 3/22/2012 3/1/2017


Tech Name Employer Name Cert Num Cert Date Cert ExpiresHuston, Jeff Geocal, Inc. 180,950 12/12/2007 12/1/2010Hutson, Jonathon Yeh & Associates 189,225 5/15/2020 5/31/2023Hutto, Chris Ground Engineering 180,196 4/21/2016 4/30/2021Hutton, Hugh Rock Sol Consulting Group 180,031 12/18/2014 12/31/2019Huwe, Jeff Western Technologies (NM) 180,888 4/27/2007 4/1/2010Hysen, Matt Kumar & Associates (Ft. Collins) 181,571 2/26/2015 2/28/2018Ibarra, Jason Kumar and Associates (CO Springs) 181,039 8/16/2012 8/1/2017Ibarra, John Yeh & Associates Grand Junction 181,544 9/21/2017 9/30/2022Ijams, Jeremy Ground Engineering 181,302 8/16/2012 8/1/2015Ingersoll, Arthur Geocal, Inc. 180,249 3/23/2007 3/1/2010Ingulsrud, Chad Ground Engineering 189,056 4/2/2019 4/30/2022Irby, Ilias Yeh & Associates 181,545 7/11/2019 7/31/2024Ireton, Lee CDOT (Reg. 4) 180,447 11/18/2005 11/1/2008Irving, Donald Westest 181,029 6/19/2008 6/1/2011Iverson, Jesse Terracon 180,290 6/8/2001 6/1/2004Iverson, Travis Terracon 181,899 10/26/2017 10/31/2020Jackson, Sarah Dowl 181,423 9/21/2017 9/30/2022Jacobson, Alex Vine Laboratories 189,235 5/19/2020 5/31/2023Jagow, Matthew H-P Geotech (Glenwood Springs) 180,352 2/8/2002 2/1/2005Jahnke, Mark Atkins 181,203 4/24/2014 4/30/2019Jakary, Josh Ground Engineering 181,698 4/5/2016 4/30/2019James, Sierra Westest 189,099 6/13/2019 6/30/2022Jamsen, David CDOT R-3 Eagle 180,067 12/4/2008 12/1/2013Janini, Robert Yeh & Associates 180,068 2/22/2013 2/1/2018Jarrett, Zachary Earth Engineering Consultants 181,471 6/19/2014 6/30/2017Jarvis, John Geocal, Inc. 181,248 2/26/2015 2/29/2020Jatko, Jared Yeh & Associates 181,089 3/20/2009 3/1/2012Jemberie, Cherie Rock Sol Consulting Group 180,961 5/17/2012 5/1/2017Jenkins, Billy Western Technologies (NM) 180,889 4/16/2010 4/1/2015Jennings, Jonathan Terracon (Colorado Springs) 180,975 2/22/2018 2/28/2023Jensen, Nathan Terracon 181,647 10/22/2015 10/31/2018Jepperson, Eric H-P GeoTech 181,454 11/16/2017 11/30/2022Jereckos, Steven Trautner Geotech 180,617 12/4/2008 12/1/2013Jerich, Ryan Kiewit Central 70 182,019 11/28/2018 11/30/2021Jesik, Andy Jesik Consulting 181,559 1/15/2015 1/31/2018Jessen, Max AMEC Environment & Infrastructure 181,446 4/10/2014 4/30/2017Jimenez, Joseph Ground Engineering 180,817 9/22/2006 9/1/2009Johni, Brian Atkins 180,752 4/8/2010 4/1/2015Johnson, Austin Ground Engineering 181,664 12/17/2015 12/31/2018Johnson, Bradley Rock Sol Consulting Group 180,109 1/30/2020 1/31/2025Johnson, Brian Yeh & Associates 180,166 3/26/2015 3/31/2020Johnson, Brock CDOT (Reg.1) 180,205 5/13/2010 5/1/2015Johnson, Christopher Rock Sol Consulting Group 181,007 5/23/2008 5/1/2011Johnson, Fred Atkins 181,317 5/19/2016 5/31/2021Johnson, Gregory koe 180,113 3/25/2000 3/1/2003Johnson, Jeremiah RS&H, Inc. 189,182 12/12/2019 12/31/2022Johnson, Josiah Ground Engineering 181,472 5/18/2017 5/31/2022Johnson, Randy CDOT (Reg.2-C) 180,418 4/17/2008 4/1/2013Johnson, Stephen Ground Engineering 180,561 12/18/2008 12/1/2013Johnson, Stephen Kleinfelder 180,671 5/19/2005 5/1/2008Johnson, Steven Rock Sol Consulting Group 180,946 11/18/2010 11/1/2015Jones III, Robert CDOT Holly Street (North) 181,878 7/27/2017 7/31/2020Jones, Brandon RS&H, Inc. 189,218 2/27/2020 2/28/2023Jones, Doug Geocal, Inc. 180,474 2/14/2003 2/1/2006


Tech Name Employer Name Cert Num Cert Date Cert ExpiresJones, Grant Buckhorn Geotech 181,424 12/12/2013 12/31/2016Jones, Jason Parsons Brinckerhoff 181,339 2/22/2013 2/1/2016Jones, Jeffery Geocal Inc. (CS) 180,867 3/18/2010 3/1/2015Jones, Macy Ninyo & Moore 182,011 10/25/2018 10/31/2021Jones, Rance par 180,731 1/27/2006 1/1/2009Jones, Stanley Triax Engineering 181,982 8/23/2018 8/31/2021Jordan, Mark Ground Engineering 181,178 2/23/2017 2/28/2022Joyce, William Ground Engineering 181,642 9/24/2015 9/30/2018Juergens, Levi Rock Sol Consulting Group 181,729 6/23/2016 6/30/2019Jurek, Maegan Westest 181,425 12/12/2013 12/31/2016Kacinski, John CDOT (Reg.1) 180,762 4/20/2006 4/1/2009Kaiser, Ken CDOT (Reg.6) 180,070 9/3/2003 9/1/2006Kamay, Kevin Ground Engineering 181,044 9/19/2008 9/1/2011Kappel, Dirk Ground Engineering 181,444 3/27/2014 3/31/2017Karriker, Matthew par 181,090 3/22/2012 3/1/2017Kasperson, Alyssa Rock Sol Consulting Group 181,624 7/23/2015 7/31/2018Kaspin, Mikhail Geocal, Inc. 180,392 7/21/2016 7/31/2021Katzer, Richard Jacobs 180,448 3/27/2014 3/31/2019Katzer, Stephen Western Technologies Inc. 180,062 6/12/2009 6/1/2014Kaup, Matthew Yeh & Associates 181,325 1/17/2013 1/1/2016Kaurala, Jeff URS Greiner (Denver) 180,317 10/12/2001 10/1/2004Kazmierski, Brian Intertek-PSI 181,643 9/24/2015 9/30/2018Kearney, Will Cirque Civil 181,709 4/21/2016 4/30/2019Keen, Michael Atkins 181,385 6/20/2013 6/30/2016Keilman, Kevin RMG Engineering 181,770 9/22/2016 9/30/2019Keller, Taylor Terracon 189,127 7/25/2019 7/31/2022Kelly, Adib Geocal, Inc. 181,652 11/19/2015 11/30/2018Kelly, Brian CDOT Holly Street (North) 180,250 5/19/2016 5/31/2021Kelly, Brian Geocal, Inc. 181,008 5/23/2008 5/1/2011Kelly, Jack Ground Engineering 181,411 10/17/2013 10/31/2016Kelly, Jennifer United Companies 181,493 4/11/2018 4/30/2023Kelly, Joe Geomat Inc. 181,607 4/11/2018 4/30/2023Kemp, Beaux CDOT (Reg.5) 189,068 4/10/2019 4/30/2022Kemp, Kris Soilogic Inc. 181,159 8/19/2010 8/1/2013Kern, Bryan Ground Engineering 181,845 4/27/2017 4/30/2020Kernan, Patrick A.G. Wassenaar, Inc. 181,129 5/23/2013 5/31/2018Kerns, Michael Jacobs 180,449 6/20/2013 6/30/2018Ketema, Amanueal Westest 189,212 2/27/2020 2/28/2023Khanzadeh, Mohammad HDR, Inc. 181,530 10/16/2014 10/31/2017Khudhur, Sardar Triax Engineering 181,964 6/14/2018 6/30/2021Kibbin, Joseph Jacobs 180,761 5/22/2014 5/31/2019Kibel, Phillip Trautner Geotech 181,833 6/4/2020 6/30/2025Kibret, Seiyfu Terracon 182,029 11/29/2018 11/30/2021Kiifner, Kyle Kleinfelder-Golden 180,839 1/18/2007 1/1/2010Kim, Victor Ground Engineering 181,053 9/26/2018 9/30/2023Kimball, Tanner Ground Engineering 181,798 11/17/2016 11/30/2019Kimber, Depree Rock Sol Consulting Group 189,219 5/5/2020 5/31/2023King, Jeremy CDOT (Reg. 4) 180,469 7/17/2014 7/31/2019Kinsey, Troy Ground Engineering 180,246 2/16/2001 2/1/2004Kirschbaum, Frederick CDOT (Reg.3-GJ) 180,750 5/22/2009 5/1/2014Kiyaani, Aaron Western Technologies (NM) 181,210 6/23/2016 6/30/2021Klapproth, Jeremy Earth Engineering Consultants 181,112 7/24/2020 7/31/2025Klauka, Matthew Cesare Inc. 181,959 5/24/2018 5/31/2021Klavon, Philip Yeh & Associates 189,171 11/21/2019 11/30/2022


Tech Name Employer Name Cert Num Cert Date Cert ExpiresKleinsorge, Justin Ground Engineering 180,818 11/19/2009 11/1/2014Klimek, August URS Greiner (Denver) 180,179 5/26/2000 5/1/2003Klimek, Jeff Atkins 180,695 12/12/2013 12/31/2018Kline, Chris TSH Engineering 189,007 8/19/2010 8/1/2013Kline, Clayton URS Greiner (Denver) 180,699 11/18/2005 11/1/2008Kling, Christopher Westest 189,260 6/5/2020 6/30/2023Klingbeil, Mark Cesare Inc. 180,730 6/15/2020 6/30/2025Klingsmith, Aaron Ground Engineering 180,622 11/17/2016 11/30/2021Klinkerman, Kory Rock Sol Consulting Group 181,757 2/21/2019 2/29/2024Klobnock, Mike Westest 180,215 12/18/2008 12/1/2013Klotz, Lisa Kleinfelder-Golden 180,522 1/18/2007 1/1/2010Knapp, Eric CTL Thompson (Pueblo) 180,266 3/16/2001 3/1/2004Knapp, Robert ` Washington Group-Denver 180,819 9/22/2006 9/1/2009Knauff, Steven A.G. Wassenaar, Inc. 181,925 2/22/2018 2/28/2021Knecht, Brian Ground Engineering 181,546 12/18/2014 12/31/2017Knight, Axel Kleinfelder-Golden 181,113 7/24/2009 7/1/2012Knight, Dave Rock Sol Consulting Group 180,690 2/26/2015 2/29/2020Knill, Kory CTL Thompson (Pueblo) 180,962 1/11/2008 1/1/2011Knudsen, Parker Westest 182,059 2/21/2019 2/28/2022Kochevar, Joe Westest 181,160 6/14/2018 6/30/2023Kochis, Leslie CDOT R-4 (Limon) 180,093 6/19/2014 6/30/2019Koele, Kyle A.G. Wassenaar, Inc. 181,547 12/18/2014 12/31/2017Konavage, Peter United Companies 181,197 3/3/2016 3/31/2021Konecny, Nick CDOT Holly Street (North) 189,280 6/18/2020 6/30/2023Konopka, Michael Ground Engineering 180,740 3/20/2009 3/1/2014Kordziel, Tyler Cesare Inc. 182,044 12/20/2018 12/31/2021Kos, David Ninyo & Moore 181,216 6/11/2011 6/1/2014Kosakewich, Lance Soilogic Inc. 189,140 8/22/2019 8/31/2022Kouns Jr., David Kleinfelder-Golden 180,749 2/23/2006 2/1/2009Koval, Denis AMEC Environment & Infrastructure 181,537 11/20/2014 11/30/2017Kraft, Scott CDOT (Glenwood) 180,763 4/24/2014 4/30/2019Krake, Thomas Western Technologies (NM) 180,594 4/29/2011 4/1/2016Kramer, Steven Stantec Consulting 180,849 2/16/2007 2/1/2010Kratt, Daniel Vine Laboratories 181,792 10/27/2016 10/31/2019Krebs, Ryan TSH Engineering 189,011 9/23/2010 9/1/2013Kristiansen, James Kumar and Associates 189,213 2/27/2020 2/28/2023Krolikowski, Adam Rock Sol Consulting Group 182,038 12/13/2018 12/31/2021Krolikowski, Ryan Rock Sol Consulting Group 180,976 5/15/2020 5/31/2025Kronstein, James Amec Foster Wheeler 180,850 11/17/2016 11/30/2021Krueger, Kerstin Rock Sol Consulting Group 181,758 8/22/2019 8/31/2024Krupa, Thomas Kleinfelder Inc. (CO Spgs) 180,868 8/27/2015 8/31/2020Kucey, Michael CDOT (Reg.6) 180,178 3/21/2008 3/1/2013Kuebler, Harry Western Technologies (NM) 180,778 6/12/2009 6/1/2014Kuehneman, Craig CDOT (Reg. 4) 180,176 10/14/2004 10/1/2007Kuhlman, Calvin Vivid Engineering Group 189,278 6/15/2020 6/30/2023Kuhn, Evan Ground Engineering 180,506 1/26/2017 1/31/2022Kuhnlein, Jordan Vine Laboratories 189,254 6/3/2020 6/30/2023Kunz, Brody Trautner Geotech 181,699 6/4/2020 6/30/2025Kusch, Aaron Kiewit 189,111 6/27/2019 6/30/2022Kuster, Tyler Kumar & Associates (Ft. Collins) 181,682 2/25/2016 2/28/2019Kutchery, Heather Ground Engineering 180,252 3/2/2001 3/1/2004Laabs, Jason Atkins 180,993 3/22/2012 3/1/2017LaCount, Whit Ground Engineering 181,490 7/17/2014 7/31/2017LaCroix, Kenneth koe 180,160 5/22/2014 5/31/2019


Tech Name Employer Name Cert Num Cert Date Cert ExpiresLadd, Christopher Ground Engineering 181,491 7/17/2014 7/31/2017Ladwig, Lewis Kumar and Associates 180,009 10/22/1999 10/1/2002Lam, Johnny CDOT - HQ 180,025 9/15/2019 9/30/2024Lance, Michael Westest 180,251 1/20/2005 1/1/2008Landrus, Michael Kleinfelder 189,105 6/13/2019 6/30/2022Landry, Lauren Westest 181,926 2/22/2018 2/28/2021Landwehr, Tyler Ground Engineering 181,183 2/17/2011 2/1/2014Lane, Paul CDOT - HQ 180,003 8/25/2006 8/1/2009Lang, Gordon Yeh & Associates 181,128 2/22/2013 2/1/2018Lang, Ryden Ground Engineering 189,261 6/5/2020 6/30/2023Lange, Robert Rock Sol Consulting Group 180,550 4/23/2015 4/30/2020Langenbau, Kaitlynn Kleinfelder (Pueblo) 181,900 10/26/2017 10/31/2020Langford, Logan Kumar and Associates 181,404 9/20/2013 9/30/2016Lanky, Cathy Advanced Terra Testing 181,996 9/27/2018 9/30/2021Lansing, Rebecca Carter Burgess 180,159 4/28/2000 4/1/2003LaPorta, Sean CDOT - HQ 181,242 11/17/2011 11/1/2014Laraki, Elmamoun Westest 181,813 12/15/2016 12/31/2019Larkins, Misty Kumar and Associates (CO Springs) 180,295 6/22/2001 6/1/2004Larson, Dean Mountain Engineering & Testing 180,348 5/23/2008 5/1/2013Larson, Karl CDOT (Reg.1) 181,148 4/8/2010 4/1/2013Larson, Lake Terracon 181,862 5/18/2017 5/31/2020LaRusso, Raymond Ground Engineering 180,804 8/25/2006 8/1/2009Laskero, Ally Alfred Benesch Company 181,683 2/25/2016 2/28/2019Latham, Yolinda CDOT (Reg.5) 180,143 4/6/2000 4/1/2003Lau, Roger CDOT (Reg.1) 180,096 3/18/2010 3/1/2015Lawler, Josh Terracon 181,548 12/18/2014 12/31/2017Lawrence, Theodore Ground Engineering 180,918 8/23/2007 8/1/2010Lawson, Leyla Ground Engineering 189,100 6/13/2019 6/30/2022Leafblad, Parker Yeh & Associates 181,742 7/21/2016 7/31/2019LeBron, Kyle Geocal, Inc. 181,888 9/21/2017 9/30/2020Ledford, Dusty CDOT (Reg.5) 181,271 4/13/2012 4/1/2015Lee, Andrew Westest 189,159 10/24/2019 10/31/2022Lee, Dong-Soo H-P Geotech (Parker) 180,230 1/19/2001 1/1/2004Lee, Eric Terracon 189,255 6/3/2020 6/30/2023Lee, Kerry koe 181,140 2/18/2010 2/1/2013Lee, Nicholas Ground Engineering 180,616 11/19/2004 11/1/2007Leeper, Chris Ground Engineering 181,549 4/19/2018 4/30/2023Leger, Nick Ground Engineering 181,799 10/24/2019 10/31/2024Legerski, Chad Ground Engineering 180,460 1/17/2003 1/1/2006LeJeune, Jason Westest 181,617 5/21/2015 5/31/2018Lemar, Lawrence CDOT - HQ 180,573 4/22/2004 4/1/2007Lenhart, Stephanie Yeh & Associates Grand Junction 181,673 1/28/2016 1/31/2019Lenth, Zach A.G. Wassenaar, Inc. 181,560 1/15/2015 1/31/2018Lentzner, Thomas Ground Engineering 180,554 2/19/2004 2/1/2007Leone, Steven Weaver Consultants Group 189,043 3/28/2019 3/31/2022Lepic, Jaro Ground Engineering 181,561 3/22/2018 3/31/2023Lester, Kyle CDOT (Reg.5) 180,407 6/28/2002 6/1/2005Leuker, Andrew Rock Sol Consulting Group 189,121 7/11/2019 7/31/2022Levasseur, Michael Koechlein Consulting Enginering 180,139 4/1/2011 4/1/2016Levran, Leetal Ground Engineering 181,340 2/22/2013 2/1/2016Lewiecki, Caroline CDOT Holly Street (North) 181,889 9/21/2017 9/30/2020Lewis, Brian Kleinfelder-Golden 181,473 6/19/2014 6/30/2017Lewis, David Kleinfelder-Golden 181,243 11/17/2011 11/1/2014Leyba, Damian CDOT R-3 Eagle 180,482 1/12/2006 1/1/2009


Tech Name Employer Name Cert Num Cert Date Cert ExpiresLieben, Johnny Kleinfelder 181,466 5/22/2014 5/31/2017Liesman, Joel CDOT (Reg.3-GJ) 180,710 1/12/2006 1/1/2009Lin, Roger Yeh & Associates 181,625 9/27/2018 9/30/2023Lindenberg, Connor Vine Laboratories 181,869 6/22/2017 6/30/2020Lindner, Fredrick Shannon & Wilson, Inc. 180,724 1/30/2020 1/31/2025Lindsay, Kevin Ground Engineering 189,148 9/26/2019 9/30/2022Lindsay, Randy Kumar and Associates (CO Springs) 180,292 6/8/2001 6/1/2004Lindvall, Derek Atkins 180,728 3/20/2009 3/1/2014Lindvall, Gordon Atkins 180,726 2/19/2009 2/1/2014Link, John koe 181,045 9/19/2008 9/1/2011Linn, Mike Soilogic Inc. 181,153 5/13/2010 5/1/2013Linville, Gabriel Ground Engineering 180,234 1/19/2001 1/1/2004Lioi, Nicholas Vine Laboratories 189,042 3/28/2019 3/31/2022Lipinski, Luke Kleinfelder-Golden 181,619 6/25/2015 6/30/2018Little, Michael Westest 180,565 2/17/2011 2/1/2016Little, Robert Western Technologies (NM) 180,890 4/27/2007 4/1/2010Littleton, Lance City of Aurora 189,187 12/12/2019 12/31/2022Liu, Quyen Westest 181,326 1/28/2016 1/31/2021Liva, Geno A.G. Wassenaar, Inc. 180,201 9/29/2000 9/1/2003Lobato, John Stantec Consulting 180,851 3/22/2012 3/1/2017Lockhart, Richard CDOT (Reg.1) 181,149 3/22/2018 3/31/2023Loeck, Aaron Ninyo & Moore 181,115 6/21/2012 6/1/2017Logue, Robert Yeh & Associates Grand Junction 181,692 3/3/2016 3/31/2019Lohrenz, Matthew Kiewit 189,130 8/7/2019 8/31/2022Long, Andrew koe 180,624 1/20/2005 1/1/2008Long, Jean Yeh & Associates 181,375 5/19/2016 5/31/2021Long-Causey, Colton United Companies 181,948 4/11/2018 4/30/2021Loomis, Brent CDOT (Reg.1) 180,037 1/26/2017 1/31/2022Lopez, A. Felipe Rock Sol Consulting Group 181,386 6/22/2017 6/30/2022Lopez, Ben Ground Engineering 181,492 7/17/2014 7/31/2017Lopez, Darcie CDOT - HQ 180,108 4/18/2014 4/30/2017Lopez, Frank Rock Sol Consulting Group 180,852 4/5/2016 4/30/2021Lopez, Jerry Ground Engineering 181,730 6/23/2016 6/30/2019Lopez, Michael Construction Technical Services 180,152 5/23/2003 5/1/2006Louderback, Brian Terradyne 180,977 11/17/2011 11/1/2016Loupee, Chris Vine Laboratories 181,398 8/15/2013 8/31/2016Lowden, Dylan Ground Engineering 181,972 7/26/2018 7/31/2021Loya, Eric R.J. Pagan 181,771 9/22/2016 9/30/2019Lucero, Abel CDOT (Reg.6) 181,091 3/22/2012 3/1/2017Lucero, Austin Ground Engineering 181,846 4/27/2017 4/30/2020Lucero, Richard CDOT (Reg.1) 180,284 4/22/2004 4/1/2007Ludden, Steve Terracon (Colorado Springs) 180,578 5/7/2004 5/1/2007Luer, Dave Golder Associates 180,298 7/13/2001 7/1/2004Lundborg, Brandon Ground Engineering 181,550 12/18/2014 12/31/2017Lunzer, John CDOT Holly Street (North) 181,871 6/22/2017 6/30/2020Luscombe, Kieran Ground Engineering 181,847 5/20/2020 5/31/2025Luscombe, Timothy Ground Engineering 180,236 2/25/2016 2/28/2021Lutkewitte, John Ground Engineering 181,313 9/20/2012 9/1/2015Lutz, Bob TSH Engineering 181,092 6/22/2017 6/30/2022Lykens, Steven Rock Sol Consulting Group 181,213 5/19/2011 5/1/2014Lyons, Kyle Ground Engineering 181,249 2/26/2015 2/29/2020Lyubinin, Mark CDOT (Reg.6) 181,093 3/20/2009 3/1/2012Macaronas, Nicholas Olsson Associates 189,112 6/27/2019 6/30/2022MacCormack, James Vine Laboratories 181,341 2/22/2013 2/1/2016


Tech Name Employer Name Cert Num Cert Date Cert ExpiresMacdonald, James Ground Engineering 189,149 9/26/2019 9/30/2022MacKenzie, Devin Terracon 189,044 3/28/2019 3/31/2022MacRavey, Michael Terracon 180,978 2/21/2008 2/1/2011Maddox, Jesse Kleinfelder 189,131 8/7/2019 8/31/2022Madigan, Erin Rock Sol Consulting Group 189,272 6/11/2020 6/30/2023Madsen, Travis American Civil Constructors 180,875 4/21/2011 4/1/2016Maertin, Lisa CDOT (Reg.5) 181,450 3/2/2017 3/31/2022Maes, Nate Rock Sol Consulting Group 181,572 2/26/2015 2/28/2018Maestas, Kevin Ground Engineering 189,091 5/30/2019 5/31/2022Magdaleno, Mario URS Greiner (CO. Springs) 180,321 10/26/2001 10/1/2004Maggio, Jarod Rock Sol Consulting Group 180,674 6/3/2005 6/1/2008Maier, Lloyd Kiewit Western CO. 181,289 6/21/2012 6/1/2015Mainiero, Anthony Ground Engineering 189,082 5/13/2019 5/31/2022Maldonado, Aaron CDOT Holly Street (North) 189,290 7/20/2020 7/31/2023Malesky, Christian Ground Engineering 181,071 12/18/2008 12/1/2011Malicay, Luis H-P Geotech (Parker) 181,505 8/14/2014 8/31/2017Malone, Kelsey Geocal, Inc. 189,264 6/5/2020 6/30/2023Maloney, Sean Yeh & Associates 181,997 9/27/2018 9/30/2021Mamo, Tadesse Terradyne 181,214 5/19/2011 5/1/2014Manchester, Don Nielsons 180,146 4/6/2000 4/1/2003Mangone, J. Empire Management Inc. 189,003 8/20/2009 8/1/2012Manning, Teresa Geocal, Inc. 180,805 8/25/2006 8/1/2009Manriquez, Pedro Geocal Inc. (CS) 181,219 6/16/2011 6/1/2014Mantooth, Michael A.G. Wassenaar, Inc. 181,506 8/14/2014 8/31/2017Marks, Zachory Soilogic Inc. 181,626 7/23/2015 7/31/2018Marone, Joe CDOT - HQ 180,385 10/21/2005 10/1/2008Marquez, Nick Weld County Public Works 181,838 3/23/2017 3/31/2020Marquiss, Jason Geotechnical Engineering Group 180,924 4/11/2018 4/30/2023Martin, Cory Atkins 181,901 10/26/2017 10/31/2020Martin, Holly United Companies 180,715 3/3/2016 3/31/2021Martin, Jason Western Colorado Testing, Inc. 180,719 1/12/2006 1/1/2009Martin, William Southeast Corridor Constructors 180,386 4/26/2002 4/1/2005Martinez, Humberto Ground Engineering 189,172 11/21/2019 11/30/2022Martinez, Suzette Ground Engineering 180,247 3/2/2001 3/1/2004Martsolf, Lori United Companies 180,567 5/19/2016 5/31/2021Mashie, Zinash Kiewit 189,092 5/30/2019 5/31/2022Masnada, Daniel Ground Engineering 189,160 10/24/2019 10/31/2022Mason, Cameron RMG Engineering 181,743 7/21/2016 7/31/2019Masters, Lochlan Southeast Corridor Constructors 180,485 2/28/2003 2/1/2006Mathers, Grant Kleinfelder-Golden 180,593 11/28/2018 11/30/2023Mathisen, Blaine Olsson Associates 181,507 8/14/2014 8/31/2017Matlock, Bill CDOT (GJ) 181,772 9/22/2016 9/30/2019Matte, Ryan CTL Thompson (Ft. Collins) 181,927 2/22/2018 2/28/2021Mattecheck, Keith Kumar and Associates 180,052 12/17/1999 12/1/2002Matteson, Michael A.G. Wassenaar, Inc. 181,054 10/27/2016 10/31/2021Mattson, Joe koe 180,350 2/8/2002 2/1/2005Maupin, Robert Terracon 180,994 4/17/2008 4/1/2011Maurer, Chris Bechtolt 181,608 4/30/2015 4/30/2018Maurer, Dennis CDOT (Reg.6) 180,021 4/18/2019 4/30/2024Maurice, Aaron Vine Laboratories 181,793 10/24/2019 10/31/2024Mayer, Robert Ninyo & Moore 181,759 8/25/2016 8/31/2019Mayhew, Todd CDOT (Reg. 4) 180,353 12/17/2015 12/31/2020Mayse, Sarah CDOT R-4 (Loveland) 180,390 4/26/2002 4/1/2005Mazza, Michael United Companies 180,806 4/23/2013 4/1/2018


Tech Name Employer Name Cert Num Cert Date Cert ExpiresMcAfee, Sean Intertek-PSI 180,427 8/30/2002 8/1/2005McAlpin, Anthony Kiewit 189,132 8/7/2019 8/31/2022McBreen, Michael Western Technologies Inc. 180,397 5/17/2002 5/1/2005McCall, Barbara Western Technologies Inc. 180,313 4/16/2010 4/1/2015McCalmont III, William A.G. Wassenaar, Inc. 180,612 10/14/2004 10/1/2007McCandless, Michael CTL Thompson Inc. (Colorado Springs) 180,416 7/26/2002 7/1/2005McCarthy, Dan Ground Engineering 181,250 12/15/2011 12/1/2014McCarty, Jeff Rock Sol Consulting Group 180,877 3/26/2015 3/31/2020McCauley, Greg Triax Engineering 181,531 10/16/2014 10/31/2017McClaskey, Stuart Yeh & Associates Grand Junction 180,324 4/23/2013 4/1/2018McCline, Telecia CDOT (Reg.6) 180,098 3/10/2000 3/1/2003McCloud, Joe Ground Engineering 180,995 4/17/2008 4/1/2011McClure, Kevin Ground Engineering 181,030 12/15/2011 12/1/2016McClure, Shaun Earth Engineering Consultants 181,983 8/23/2018 8/31/2021McCluskey, Tyler Vine Laboratories 181,744 10/24/2019 10/31/2024McConnell, Casey Vine Laboratories 181,234 9/22/2011 9/1/2014McCormack, Justin Vine Laboratories 181,342 2/22/2013 2/1/2016McCormick, Sarah Earth Engineering Consultants (CS) 181,303 8/27/2015 8/31/2020McCoy II, James CDOT (R-3 Cr.) 180,123 6/18/2009 6/1/2014McCoy, Benjamin Ground Engineering 181,879 7/27/2017 7/31/2020McCracken, Joel CDOT (Reg. 4) 180,102 3/24/2000 3/1/2003McCrary, Marcus Vine Laboratories 189,057 4/2/2019 4/30/2022McCready, Patrick Southeast Corridor Constructors 180,376 3/22/2002 3/1/2005McCreight, Kevin City of Aurora 180,032 4/23/2009 4/1/2014McCudden, Greg Ground Engineering 181,173 12/15/2016 12/31/2021McCurdy, Richard Devon Intertek-PSI 189,214 2/27/2020 2/28/2023McDaniels, Kent A.G. Wassenaar, Inc. 181,356 4/5/2016 4/30/2021McDonald, Jeremy Bechtolt 181,609 4/30/2015 4/30/2018McDonald, Sargent A.G. Wassenaar, Inc. 180,026 11/12/1999 11/1/2002McDougal, Bridget Ground Engineering 181,653 11/19/2015 11/30/2018McElhiney, Brandon Alfred Benesch Company 181,581 3/26/2015 3/31/2018McElroy, Kyle Terracon 189,241 5/20/2020 5/31/2023McFarland, Dan Rock Sol Consulting Group 181,953 4/19/2018 4/30/2021McGarvy, Charles CDOT (Reg.2-P) 180,430 9/20/2002 9/1/2005McGee, Ron Western Technologies (NM) 180,651 6/13/2008 6/1/2013McGeeney, Luke Kleinfelder (Pueblo) 180,278 5/11/2001 5/1/2004McGhghy, Timothy CDOT (Reg.2-P) 180,480 2/23/2006 2/1/2009McGuire, Brendon Rock Sol Consulting Group 181,562 1/15/2015 1/31/2018McHugh, Dillon Koechlien Consulting Engineering(GJ) 181,198 4/1/2011 4/1/2014McKanna, Scott Rock Sol Consulting Group 181,161 8/19/2010 8/1/2013McKelvey, Aaron LaPlata County 189,015 3/18/2011 3/1/2014McKinley, Blake Kleinfelder-Golden 181,620 6/25/2015 6/30/2018McKinney, Devon Rock Sol Consulting Group 189,215 2/27/2020 2/28/2023McKnight, Brad Western Technologies Inc. 180,780 5/12/2006 5/1/2009McMahon, Rod CDOT - HQ 180,996 5/19/2011 5/1/2016McMahon, Rodney CDOT Holly Street (North) 189,199 1/30/2020 1/31/2025McMechen, Matthew CDOT Holly Street (North) 180,265 11/28/2018 11/30/2023McMullen, Tyler Ground Engineering 182,012 10/25/2018 10/31/2021McMurdy, Richard Terradyne 181,648 10/22/2015 10/31/2018McPherson, Scott CTL Thompson Inc. (Colorado Springs) 180,832 12/14/2006 12/1/2009McQuaid, Gregory Golder Associates 180,213 10/27/2000 10/1/2003McQuiston, Romille Ground Engineering 189,250 6/1/2020 6/30/2023McWhirt, Dominich Ground Engineering 189,083 5/13/2019 5/31/2022McWilliams, Linda Rock Sol Consulting Group 181,710 4/21/2016 4/30/2019


Tech Name Employer Name Cert Num Cert Date Cert ExpiresMeares, Jason A.G. Wassenaar, Inc. 181,563 1/15/2015 1/31/2018Medders, Kevin Vivid Engineering Group 189,277 6/15/2020 6/30/2023Medina, Jeremiah Ground Engineering 189,073 4/18/2019 4/30/2022Medina, John Terradyne 180,014 11/18/2010 11/1/2015Medina, Joseph Rock Sol Consulting Group 181,290 2/18/2020 2/28/2025Medina, Ken CDOT (Reg.2-C) 180,078 4/11/2003 4/1/2006Medina, Randy Yeh & Associates 181,800 11/17/2016 11/30/2021Medved, George Yeh & Associates 180,869 3/23/2017 3/31/2022Meeks, David Vine Laboratories 180,876 6/17/2010 6/1/2015Meisel, Seth Ground Engineering 181,431 12/15/2016 12/31/2021Melancon, David Advanced Terra Testing 182,060 2/21/2019 2/28/2022Melgoza, Kelly CDOT (Reg.2-P) 180,117 4/17/2008 4/1/2013Mena, Johnny Geocal, Inc. 181,251 6/11/2020 6/30/2025Mendenhall, Jessie Kumar and Associates 181,573 4/19/2018 4/30/2023Mendez, Matthew Geocal Inc. (CS) 181,760 8/25/2016 8/31/2019Mendez-Suarez, Diego Rock Sol Consulting Group 181,684 12/13/2018 12/31/2023Mendoza, Paul CDOT (Reg.2-P) 180,826 12/11/2009 12/1/2014Mendoza, Sherrie Vivid Engineering Group 181,654 7/11/2019 7/31/2024Meneghetti, Anthony CDOT R-4 (Loveland) 181,081 1/9/2009 1/1/2012Mengistu, Matius Ground Engineering 182,045 12/20/2018 12/31/2021Mensah, Sal TSH Engineering 189,009 8/19/2010 8/1/2013Mercado Jr., Homero URS Greiner (CO. Springs) 180,085 3/10/2000 3/1/2003Merenich, David par 181,327 1/17/2013 1/1/2016Mero, Jeri Rock Sol Consulting Group 181,376 5/23/2013 5/23/2016Mertz, Ben Terracon 180,433 10/4/2002 10/1/2005Mestas, Keegan Terradyne 181,655 11/19/2015 11/30/2018Metzger, Andrew CTL Thompson (Pueblo) 180,156 4/14/2000 4/1/2003Metzger, Jon Terracon (Colorado Springs) 180,197 2/10/2005 2/1/2008Metzger, Wendy Kumar and Associates 180,512 9/22/2006 9/1/2009Meyer, Christopher CDOT (Reg.5) 181,015 6/13/2008 6/1/2011Meyer, Jeff Westest 181,711 4/21/2016 4/30/2019Meyer, John Triax Engineering 181,825 1/26/2017 1/31/2020Meyer, Kathleen Kumar and Associates 189,141 8/22/2019 8/31/2022Meyer, Kenneth Rock Sol Consulting Group 180,035 3/27/2014 3/31/2019Meyer, Wesley Lyman Henn Inc. 180,907 6/21/2007 6/1/2010Mielbeck, Kevin Terracon Ft. Collins 180,997 7/21/2016 7/31/2021Mikalian, Dan Terracon 181,848 5/19/2020 5/31/2025Milender, Jerome CDOT (Reg.1) 180,189 3/24/2006 3/1/2009Miles, Ben CDOT (Reg.5) 180,039 4/8/2014 4/30/2017Miles, Derek Westest 181,426 12/12/2013 12/31/2016Millen, Paige Ground Engineering 181,405 9/20/2013 9/30/2016Miller, Anthony Carter Burgess 180,501 3/28/2003 3/1/2006Miller, Arthur CDOT R-5 (Alamosa) 189,016 3/18/2011 3/1/2014Miller, Chris Vine Laboratories 181,582 3/26/2015 3/31/2018Miller, David Huddleston-Bevvy 181,599 4/11/2018 4/30/2023Miller, Jacob Trautner Geotech 181,184 3/18/2011 3/1/2014Miller, Jeff A.G. Wassenaar, Inc. 181,928 2/22/2018 2/28/2021Miller, Roger Olsson Associates 180,106 7/27/2017 7/31/2022Miller, Scott Atkins 189,024 8/18/2011 8/1/2014Miller, Sherry United Companies 181,494 4/11/2018 4/30/2023Miller, Stuart CDOT (Reg. 4) 180,153 4/14/2000 4/1/2003Millet, Alexander Rock Sol Consulting Group 181,665 5/20/2020 5/31/2025Minini, Mason Ninyo & Moore 181,414 11/14/2013 11/30/2016Mirmira, Anil koe 180,346 1/25/2002 1/1/2005


Tech Name Employer Name Cert Num Cert Date Cert ExpiresMirmovich, Ilya Yeh & Associates 181,357 8/25/2016 8/31/2021Misiti, Vincent Ground Engineering 181,863 5/18/2017 5/31/2020Mitchell, Jeff Acura Engineering 180,546 3/18/2010 3/1/2015Mitchell, Misti Ground Engineering 181,291 6/21/2012 6/1/2015Mitchell, Wallace Southeast Corridor Constructors 180,462 1/17/2003 1/1/2006Mitchell, Zach Ground Engineering 181,343 4/5/2016 4/30/2021Mjoen, Robert Stantec Consulting 181,282 9/22/2016 9/30/2021Mocko, Eric Ground Engineering 180,998 4/1/2011 4/1/2016Moens, Alec Rock Sol Consulting Group 189,293 7/24/2020 7/31/2023Mohrbach, David Intertek-PSI 180,900 8/19/2010 8/1/2015Moid, Mehrab Ibne Triax Engineering 189,058 4/2/2019 4/30/2022Moncada, Eric Vine Laboratories 181,292 4/23/2015 4/30/2020Montano Jr., David Yeh & Associates 189,074 4/18/2019 4/30/2022Montano, David Geocal, Inc. 181,358 6/23/2016 6/30/2021Montano, Mario CDOT R-5 (Alamosa) 181,328 3/1/2016 3/31/2021Montgomery, Evan Trautner Geotech 181,610 4/30/2015 4/30/2018Montgomery, Timothy Terracon 189,236 5/19/2020 5/31/2023Montoya, Christopher Adams County 181,538 11/20/2014 11/30/2017Montoya, Gilbert Yeh & Associates 180,017 10/24/2008 10/1/2013Montoya, Robert Transit Mix of Pueblo 180,163 3/24/2000 3/1/2003Moore, Benjamin Vivid Engineering Group 182,006 10/18/2018 10/31/2021Moore, Chad Vivid Engineering Group 181,872 6/22/2017 6/30/2020Moore, Dave Ground Engineering 180,241 2/16/2001 2/1/2004Moore, Mike Vivid Engineering Group 181,215 6/14/2018 6/30/2023Moore, Todd Ground Engineering 180,229 1/5/2001 1/1/2004Moore, Valentino Western Technologies (NM) 180,656 4/13/2012 4/1/2017Moralez, Sterling Rock Sol Consulting Group 189,128 7/25/2019 7/31/2022Moran, Kristin Yeh & Associates (Durango) 180,658 5/29/2015 5/31/2020Morey, Phillip URS Greiner (CO. Springs) 180,187 6/16/2000 6/1/2003Morgan, Garrett Vine Laboratories 181,417 11/14/2013 11/30/2016Morgan, Heather Kleinfelder (Pueblo) 181,998 9/27/2018 9/30/2021Morgan, Mark Ground Engineering 180,853 2/16/2007 2/1/2010Morphis, Justin Intertek-PSI 181,199 11/20/2014 11/30/2019Morrell, Connor Rock Sol Consulting Group 189,084 5/13/2019 5/31/2022Morrell, Mallory Rock Sol Consulting Group 189,291 7/20/2020 7/31/2023Morrow, Christopher par 180,167 1/23/2004 1/1/2007Morrow, K. H-P Geotech (Glenwood Springs) 180,456 1/17/2003 1/1/2006Morrow, Mark Southeast Corridor Constructors 180,494 3/24/2006 3/1/2009Moseman, Philip Vine Laboratories 182,020 11/28/2018 11/30/2021Moser, Lewis United Companies 181,094 4/13/2012 4/1/2017Mostafa, Salehi Rock Sol Consulting Group 180,305 9/7/2001 9/1/2004Moussa, Dlwar Westest 181,814 12/15/2016 12/31/2019Mubarez, Safiullah Terracon 189,161 10/24/2019 10/31/2022Mueller, Andrea Southeast Corridor Constructors 180,547 1/23/2004 1/1/2007Mueller, Robert Southeast Corridor Constructors 180,442 11/15/2002 11/1/2005Mulbah, Harris Kumar and Associates 180,925 8/27/2015 8/31/2020Muldoon, John Geocal, Inc. 180,502 2/21/2008 2/1/2013Muller, Andrew CDOT (R4-Sterling) 181,257 2/26/2015 2/29/2020Muller, Scott CDOT (Reg. 4) 180,080 1/30/2020 1/31/2025Mulligan, Stephen Kumar & Associates (Fraser) 181,095 3/22/2012 3/1/2017Munguio, Armando Geocal, Inc. 180,426 8/30/2002 8/1/2005Munis, Minerva Ground Engineering 189,106 6/13/2019 6/30/2022Munk, Matthew Terracon (Colorado Springs) 181,387 6/20/2013 6/30/2016Munoz, Justin Ground Engineering 189,162 10/24/2019 10/31/2022


Tech Name Employer Name Cert Num Cert Date Cert ExpiresMurphy, John A.G. Wassenaar, Inc. 181,392 6/20/2013 6/30/2016Murphy, Patrick CDOT (Reg.5) 180,169 4/10/2019 4/30/2024Murray, Martin Southeast Corridor Constructors 180,552 2/19/2004 2/1/2007Muth, Christopher Golder Associates 180,291 6/8/2001 6/1/2004Muthoka, Shalom Ground Engineering 181,991 9/26/2018 9/30/2021Muylle, Nicholas Ground Engineering 180,854 2/16/2007 2/1/2010Myers, Kevin Westest 189,266 5/8/2020 5/31/2023Myers, Luke Southeast Corridor Constructors 180,516 5/23/2003 5/1/2006Myers, Matthew Geocal, Inc. 181,929 2/22/2018 2/28/2021Myrvold, Jason Kiewit 182,013 10/25/2018 10/31/2021Nadeau, David Rock Sol Consulting Group 189,274 6/11/2020 6/30/2023Najar, Mary City of Aurora 181,495 6/14/2018 6/30/2023Nakazono, Kurt H-P Geotech (Parker) 181,082 1/9/2009 1/1/2012Napoleon, Wilson Western Technologies (NM) 181,046 9/19/2008 9/1/2011Naranjo, Warren Terracon 180,947 1/14/2011 1/1/2016Nasiatka, Dave CDOT Holly Street (North) 181,815 12/15/2016 12/31/2019Naylor, Bronson Terracon 181,801 2/18/2020 2/28/2025Ndu, Nse Terracon 181,047 9/19/2008 9/1/2011Neary, Jason par 180,744 2/23/2006 2/1/2009Neece, Randy CDOT (R-3 Cr.) 180,125 4/10/2014 4/30/2019Nelson, Corey Westest 181,551 2/23/2017 2/28/2022Nelson, Craig Terracon Ft. Collins 180,999 4/17/2008 4/1/2011Nelson, Lance De-Rey Engineering, Inc. 180,855 3/18/2010 3/1/2015Nelson, Ronnie Geocal Inc. (CS) 181,096 4/18/2013 4/1/2018Nelson, Trent Westest 181,656 4/2/2019 4/30/2024Netala, Nishant Vine Laboratories 181,940 3/22/2018 3/31/2021Neumeier, Mark CDOT (GJ) 182,021 11/28/2018 11/30/2021Newberry, Andrew Vine Laboratories 181,267 3/22/2012 3/1/2015Newman, Vaughn Vine Laboratories 189,256 6/3/2020 6/30/2023Ngo, Bruce Ground Engineering 181,508 8/14/2014 8/31/2017Nguyen, Con Intertek-PSI 180,414 7/26/2002 7/1/2005Nichols, Robert Golder Associates 180,207 10/27/2000 10/1/2003Nickelson, Roseanna Ground Engineering 189,150 9/26/2019 9/30/2022Nickerson, Jeff Kumar & Associates (Ft. Collins) 180,243 2/16/2001 2/1/2004Niesen, Samual Ground Engineering 181,040 8/21/2008 8/1/2011Nilson, Randy City of Aurora 180,188 3/18/2010 3/1/2015Noble, Allen A.G. Wassenaar, Inc. 189,173 11/21/2019 11/30/2022Noble, Jonathan Ground Engineering 181,162 8/19/2010 8/1/2013Noe, Ted TSH Engineering 189,029 8/27/2015 8/31/2020Noland, Donald SEH, Inc. 181,031 6/19/2008 6/1/2011Noonan, Shane Vivid Engineering Group 181,902 10/26/2017 10/31/2020Norden, Matthew Ground Engineering 180,248 3/2/2001 3/1/2004Norman, Jeremy Intertek-PSI 180,438 11/15/2002 11/1/2005Northcott, Mariah Rock Sol Consulting Group 189,294 7/24/2020 7/31/2023Norwood, Barry Vine Laboratories 181,304 8/16/2012 8/1/2015Norwood, Matt Vine Laboratories 181,055 6/21/2012 6/1/2017Novak, David CDOT - HQ 180,409 6/28/2002 6/1/2005Novaria, Richard Rock Sol Consulting Group 181,773 11/21/2019 11/30/2024Nover, Zachary Kleinfelder 180,299 10/22/2015 10/31/2020Novosad, Douglse Terracon 189,299 7/30/2020 7/31/2023Nurniyazov, Nurlan Ground Engineering 180,878 4/19/2007 4/1/2010Nybo, Jacquelyn koe 180,856 2/16/2007 2/1/2010O' Hara, John Westest 180,525 8/25/2006 8/1/2009Oakes, Graham A.G. Wassenaar, Inc. 181,657 11/19/2015 11/30/2018


Tech Name Employer Name Cert Num Cert Date Cert ExpiresO'Banion, Jacob Rock Sol Consulting Group 189,230 5/8/2020 5/31/2023Ochoa, Henry Rock Sol Consulting Group 180,765 12/15/2016 12/31/2021O'Connell, Tod Rock Sol Consulting Group 180,807 11/14/2013 11/30/2018Odell, Jeffrey Rock Sol Consulting Group 180,417 2/25/2016 2/28/2021Odum, Bryce Intertek-PSI 180,450 12/6/2002 12/1/2005Off, Donna Intertek-PSI 180,172 2/21/2019 2/29/2024Ogden, Derek Ground Engineering 180,808 8/25/2006 8/1/2009O'Hara, Robert CDOT (Reg.6) 180,549 2/19/2004 2/1/2007O'Keefe, Robert Vine Laboratories 181,745 2/18/2020 2/28/2025Okerlund, Jason EST, Inc. 181,033 9/22/2011 9/1/2016Okpaka, Nnadozie Westest 181,816 12/15/2016 12/31/2019Oldland, Laura Geocal Inc. (CS) 180,810 8/20/2009 8/1/2014Olsen, Dan A.G. Wassenaar, Inc. 180,047 12/11/1999 12/1/2002Olsen, Jeffrey CDOT (Reg. 4) 180,316 8/12/2004 8/1/2007Olsen, Jon Yeh & Associates 181,191 4/21/2016 4/30/2021Olson, Dale URS Greiner (Denver) 180,705 1/9/2009 1/1/2014Olson, Neil Ground Engineering 181,658 11/29/2018 11/30/2023Olson, Phillip URS Greiner (CO. Springs) 180,054 1/7/2000 1/1/2003O'Malley, Steven Amec Foster Wheeler 181,802 11/17/2016 11/30/2019Orazem, Victor CTL Thompson (Pueblo) 181,244 11/17/2011 11/1/2014O'Rear, Jacob Yeh & Associates Grand Junction 181,839 5/15/2020 5/31/2025O'Reilly, Kevin CDOT (Reg.1) 180,181 3/21/2008 3/1/2013Ortiz, Aaron Ground Engineering 181,329 6/23/2016 6/30/2021Ortiz, Andrew Ground Engineering 189,093 5/30/2019 5/31/2022Osborn, Conor Ground Engineering 181,351 6/23/2016 6/30/2021Osburn, Tom CDOT - HQ 181,154 2/27/2014 2/28/2019Ouellette, Steve Earth Engineering Consultants 180,753 2/18/2010 2/1/2015Oursler, Dick Terracon 180,233 1/19/2001 1/1/2004Oviedo, John City and County of Denver 180,206 11/17/2016 11/30/2021Pachak, Thomas Yeh & Associates 189,174 11/21/2019 11/30/2022Pachak, Tim Protex Companies LLC 181,950 4/11/2018 4/30/2021Pageau, Christine Ground Engineering 181,305 8/16/2012 8/1/2015Pahlke, Fredrick City of Grand Junction 181,135 12/11/2009 12/1/2012Paiva, Samequi De Triax Engineering 189,075 5/30/2019 5/31/2022Paiz, Brian CDOT - HQ 181,222 5/21/2015 5/31/2020Paiz, Saxon Westest 182,061 2/21/2019 2/28/2022Palaich, Sarah Advanced Terra Testing 189,101 6/13/2019 6/30/2022Palkovic, Martin Terracon 181,731 6/23/2016 6/30/2019Palm, Jason Ground Engineering 181,116 8/20/2009 8/1/2012Palma, Ramon Asphalt Specialties 180,857 2/16/2007 2/1/2010Palmer, Joshua Kleinfelder Inc. (CO Spgs) 181,388 7/21/2016 7/31/2021Pankey, Bill CTL Thompson (Pueblo) 180,963 4/21/2011 4/1/2016Pappert, Jack CTL Thompson (Ft. Collins) 180,261 1/30/2020 1/31/2025Paraday, Larry Ground Engineering 180,074 1/22/2010 1/1/2015Pare', Robert CDOT (Reg.5) 181,951 4/11/2018 4/30/2021Parfitt, Michael CTL Thompson (Pueblo) 181,120 9/18/2009 9/1/2012Parker, Amy Terracon 181,761 8/25/2016 8/31/2019Parker, Bret Earth Engineering Consultants 181,762 8/25/2016 8/31/2019Parker, Jesse Vine Laboratories 181,456 4/11/2018 4/30/2023Parker, Michelle Ground Engineering 180,331 12/28/2001 12/1/2004Parks, Rudy Rock Sol Consulting Group 181,832 2/23/2017 2/29/2020Parrott, Gregg Geocal, Inc. 181,930 2/22/2018 2/28/2021Partington, Raymie CDOT (Reg.1) 180,387 8/25/2016 8/31/2021Paschall, Adam Ground Engineering 180,809 8/25/2006 8/1/2009


Tech Name Employer Name Cert Num Cert Date Cert ExpiresPascoe, Jason H-P Geotech (Silverthorne) 180,401 5/17/2002 5/1/2005Pasic, David Terradyne 181,227 8/18/2011 8/1/2014Patin, Anthony Martinez Associates 181,552 2/22/2018 2/28/2023Patrick, Shawn URS Greiner (Denver) 180,242 5/7/2004 5/1/2007Patterson, Michael Geocal, Inc. 180,210 1/9/2004 1/1/2007Patterson, Michael Terracon-Longmont 181,306 7/23/2015 7/31/2020Patterson, Scott Rock Sol Consulting Group 180,432 1/30/2020 1/31/2025Patterson, Victoria United Companies 181,600 4/11/2018 4/30/2023Pattiasiana, Bela PCH 180,933 11/19/2015 11/30/2020Pattishall, Tyler Ground Engineering 181,228 8/18/2011 8/1/2014Pauley, Scott Yeh & Associates 189,142 8/22/2019 8/31/2022Pavlick, Colton Yeh & Associates 189,192 1/30/2020 1/31/2023Pavlick, Steve Russel Engineering 189,004 4/16/2010 4/1/2013Pawlik, John Rock Sol Consulting Group 181,460 1/26/2017 1/31/2022Payab, Sirajul Haq Terracon 182,039 12/13/2018 12/31/2021Peace, Patrick Atkins 181,458 4/24/2014 4/30/2017Peacock, Cody Ray Ground Engineering 181,849 1/26/2018 1/31/2021Pearson, Eric Asphalt Specialties 180,544 1/9/2004 1/1/2007Pederson, David Ground Engineering 181,685 2/25/2016 2/28/2019Penn, John Trautner Geotech 180,891 4/27/2007 4/1/2010Pennington, Victor CDOT (Reg.3-GJ) 180,145 12/12/2013 12/31/2018Perce, Stephen TSH Engineering 181,659 11/19/2015 11/30/2018Perez, Daylen Rock Sol Consulting Group 181,674 12/20/2018 12/31/2023Perez, Edgar Jesus Ground Engineering 181,803 11/17/2016 11/30/2019Perez, Eugene Kleinfelder 180,636 3/11/2005 3/1/2008Perez, Leonardo Dowl 181,601 4/28/2015 4/30/2018Perez, Stephen TSH Engineering 189,026 2/23/2012 2/1/2015Perkins, Joell Western Technologies (NM) 180,892 4/27/2007 4/1/2010Perkins, Joshua Rock Sol Consulting Group 181,293 1/30/2020 1/31/2025Pertersen, Charles Rock Sol Consulting Group 189,276 6/15/2020 6/30/2023Perzinski, Gregory Geocal, Inc. 180,336 6/19/2014 6/30/2019Perzinski, Jeff Ground Engineering 181,294 10/22/2015 10/31/2020Perzinski, Ross Geocal, Inc. 180,555 6/13/2019 6/30/2024Peters, Joe URS Greiner (CO. Springs) 180,721 1/26/2006 1/1/2009Peters, Kathryn Ground Engineering 180,766 4/20/2006 4/1/2009Peters, Steven Ground Engineering 180,467 2/18/2020 2/28/2025Petersen, Derek Ground Engineering 181,804 11/17/2016 11/30/2019Peterson, Blair Geocal Inc. (CS) 181,130 12/15/2016 12/31/2021Peterson, Kathleen CDOT (Reg. 4) 180,273 3/18/2010 3/1/2015Peterson, Randall Martin Marietta, Inc. 181,631 8/27/2015 8/31/2018Petrak, Matt Stantec Consulting 189,005 5/13/2010 5/1/2013Petrella, Briana Ground Engineering 180,666 5/6/2005 5/1/2008Petrillo, Kevin Rock Sol Consulting Group 181,632 10/25/2018 10/31/2023Petrovski, Peter LKP Engineering, Inc. 180,526 7/24/2003 7/1/2006Petry, Patrick Yeh & Associates 181,649 9/26/2018 9/30/2023Petty, Joyce CDOT (Reg.5) 180,147 2/23/2006 2/1/2009Petty, Preston EST, Inc. 181,204 4/21/2011 4/1/2014Pfeffer, Fredrick H-P Geotech (Glenwood Springs) 180,403 5/17/2002 5/1/2005Phillippus, Kenny CDOT (Reg.6) 180,639 3/11/2005 3/1/2008Phillips, Dana Westest 181,406 2/25/2016 2/28/2021Phillips, Dwane Intertek-PSI 180,435 10/18/2002 10/1/2005Phillips, Peter Reynolds & Associates 182,030 11/29/2018 11/30/2021Phipps, Darren CDOT (Reg.3-GJ) 180,132 11/20/2014 11/30/2019Phipps, Debra H-P GeoTech 180,340 1/25/2002 1/1/2005


Tech Name Employer Name Cert Num Cert Date Cert ExpiresPhythian-Olsen, Shauna Southeast Corridor Constructors 180,419 7/26/2002 7/1/2005Pickerill, Eric Yeh & Associates 181,117 4/10/2019 4/30/2024Pickett, Kyle Kumar and Associates (CO Springs) 180,979 1/19/2012 1/1/2017Piede, Brad Kleinfelder-Golden 181,252 12/15/2011 12/1/2014Pieper, F. John Western Technologies Inc. 181,185 4/30/2015 4/30/2020Pieper, Jody Terracon (Colorado Springs) 180,463 1/31/2003 1/1/2006Pierce, Ben Kleinfelder (Pueblo) 181,850 4/27/2017 4/30/2020Pierce, Rusty Kleinfelder Inc. (CO Spgs) 180,287 4/9/2004 4/1/2007Pierson, Preston Ground Engineering 180,934 10/25/2007 10/1/2010Pike, Thomas Ground Engineering 181,774 8/7/2019 8/31/2024Pilcher, Nathan Kleinfelder 181,229 5/21/2015 5/31/2020Pilgrim, Randy CDOT (Reg.2-P) 181,509 8/14/2014 8/31/2017Pina, William Grady Vivid Engineering Group 189,216 2/27/2020 2/28/2023Pinckert, Rick Westest 181,258 2/23/2012 2/1/2015Pipe, Justin CDOT R-4 (Loveland) 181,240 10/13/2011 10/1/2014Pisarra, Luis Kleinfelder 180,642 3/24/2005 3/1/2008Piscotta, Robert City of Colorado Springs 180,734 1/27/2006 1/1/2009Pitchford, Evan Ninyo & Moore 181,400 8/15/2013 8/31/2016Pizem, Robert Kumar and Associates 180,200 8/11/2000 8/1/2003Plack, Ronald A.G. Wassenaar, Inc. 181,056 3/22/2013 3/1/2018Plaks, Peter Intertek-PSI 181,496 7/17/2014 7/31/2017Plant, Hugh Parsons Transportation Group 180,498 3/28/2003 3/1/2006Plasters, Paul Southeast Corridor Constructors 180,497 3/28/2003 3/1/2006Plato, Clifford Civil Technologies, Inc. 180,315 6/17/2010 6/1/2015Platt Jr., Douglas Kumar and Associates (CO Springs) 180,540 12/11/2003 12/1/2006Plucinski, Andrew Westest 182,062 2/21/2019 2/28/2022Pocock, David H-P Geotech (Parker) 180,443 11/15/2002 11/1/2005Polick, Michael Westest 180,964 1/11/2008 1/1/2011Pomranke, John Kumar and Associates 181,884 8/24/2017 8/31/2020Poole, David Soilogic Inc. 180,840 1/18/2007 1/1/2010Pope, Drew Ground Engineering 181,539 11/20/2014 11/30/2017Porter, Ben Southeast Corridor Constructors 180,441 11/15/2002 11/1/2005Poss, Rhianna CDOT R-4 (Limon) 181,476 6/19/2014 6/30/2017Potesso, Evan Ground Engineering 189,133 8/7/2019 8/31/2022Potter, Cameron Vine Laboratories 181,163 4/24/2014 4/30/2019Potts, Gregory Terracon (Colorado Springs) 181,192 3/24/2011 3/1/2014Powell, Brandon Western Technologies (NM) 180,333 12/28/2001 12/1/2004Powers, Philip Geocal, Inc. 181,307 8/16/2012 8/1/2015Prats, Joseph Kumar and Associates 180,571 4/22/2004 4/1/2007Pravorne, Patrick Ground Engineering 181,864 6/3/2020 6/30/2025Price, Justin Geocal, Inc. 180,820 9/22/2006 9/1/2009Price, Logan Chase Ground Engineering 189,175 11/21/2019 11/30/2022Prieve, Eric CDOT - HQ 180,091 10/29/1999 10/1/2002Prim, Gunner Ground Engineering 189,176 11/21/2019 11/30/2022Prince, Richard Terracare Associates 189,021 7/14/2011 7/1/2014Proctor, Andrew Kumar and Associates (CO Springs) 181,904 11/16/2017 11/30/2020Pruett, Patrick CTL Thompson - Denver 182,031 11/29/2018 11/30/2021Prunty, Josiah Ground Engineering 181,164 8/19/2010 8/1/2013Pryor, Roger Yeh & Associates Grand Junction 181,952 4/11/2018 4/30/2021Pullen, Chad Southeast Corridor Constructors 180,535 10/23/2003 10/1/2006Pump, Cody Ground Engineering 181,437 2/27/2014 2/28/2017Putnam, Ted City of Greenwood Village 181,086 1/17/2013 1/1/2018Quimby, Larry Yeh & Associates Grand Junction 181,105 8/23/2018 8/31/2023Quinn, Davis Westest 181,540 11/16/2017 11/30/2022


Tech Name Employer Name Cert Num Cert Date Cert ExpiresQuinn, Michael Ground Engineering 180,011 9/26/2002 9/1/2005Quintana, Isaiah RS&H, Inc. 189,193 1/30/2020 1/31/2023Quirk, Derek Rock Sol Consulting Group 182,046 12/20/2018 12/31/2021Rabe, Brian Western Colorado Testing, Inc. 180,323 11/30/2001 11/1/2004Raczewski, Matthew Ground Engineering 181,553 3/23/2017 3/31/2022Rademacher, Greg Rock Sol Consulting Group 181,873 6/22/2017 6/30/2020Radosevich, Joseph CTL Thompson (Pueblo) 180,135 4/5/2000 4/1/2003Raebel, Richard CDOT (Reg.2-P) 180,454 2/21/2019 2/29/2024Raffelson, Shawn CDOT (Reg. 4) 180,211 2/18/2010 2/1/2015Raffii, Mohsen Geocal, Inc. 180,063 6/22/2006 6/1/2009Rakestraw, Gary A.G. Wassenaar, Inc. 180,327 6/23/2005 6/1/2008Ramadan, Salem Geocal, Inc. 180,165 4/28/2000 4/1/2003Ramirez, Jacob CDOT R-5 (Alamosa) 181,817 6/5/2020 6/30/2025Ramos, Rogelio Kiewit Western CO. 180,754 3/24/2006 3/1/2009Rand, Taylor Westest 181,666 12/17/2015 12/31/2018Randa, Sathish Western Technologies (NM) 180,655 4/8/2005 4/1/2008Rangel, Alvio Ground Engineering 189,122 7/11/2019 7/31/2022Rash, Roger CDOT R-3 (M) 180,332 12/13/2012 12/1/2017Rashidi, Haroon Intertek-PSI 181,999 9/27/2018 9/30/2021Rasic, Alan CDOT - HQ 180,510 4/25/2003 4/1/2006Rasmussen, Nathan Olsson Associates 189,284 6/19/2020 6/30/2023Rasmussen, Ryan Ground Engineering 180,841 1/18/2007 1/1/2010Rausch, Chris Ground Engineering 181,890 9/21/2017 9/30/2020Rausch, William RMG Engineering 181,880 7/27/2017 7/31/2020Rausin, Robert CDOT (Reg.3-GJ) 180,128 4/4/2000 4/1/2003Ravgiala, A. Atkins 180,483 4/8/2010 4/1/2015Ravnsborg, Randy Yeh & Associates 181,220 12/12/2019 12/31/2024Ray, Pattie AMEC Environment & Infrastructure 180,755 8/14/2014 8/31/2019Reballli, Karthik CDOT (Reg.5) 189,017 3/18/2011 3/1/2014Rebel, Julia Yeh & Associates Glenwood Springs 180,649 3/18/2010 3/1/2015Reck, Matthew Ground Engineering 189,285 6/19/2020 6/30/2023Redden, Nichole Elam Construction 181,693 3/3/2016 3/31/2019Redman, Dan Terracon 181,217 1/15/2015 1/31/2020Redman, Jack Terracon 180,926 9/21/2007 9/1/2010Redman, Rod CDOT - HQ 180,701 11/18/2005 11/1/2008Redzic, Husein Geocal, Inc. 180,842 1/15/2015 1/31/2020Reed, Danny CDOT R-3 (GS) 180,126 1/12/2006 1/1/2009Reed, Reginald Ground Engineering 180,349 2/8/2002 2/1/2005Rees, Logan Rock Sol Consulting Group 181,909 12/21/2017 12/31/2020Rees, Scott CDOT (Reg. 4) 180,149 4/14/2000 4/1/2003Reese, Mitch Kleinfelder-Golden 181,097 5/23/2013 5/31/2018Regan, Kevin Ground Engineering 181,984 8/23/2018 8/31/2021Reich, Chad Jacobs 189,010 8/19/2010 8/1/2013Reichle, Jeff CDOT (Reg.5) 180,619 4/26/2013 4/1/2018Reid, Bret Kleinfelder 180,654 4/8/2005 4/1/2008Reifschneider, Eric Terracon Ft. Collins 181,389 4/5/2016 4/30/2021Reilly, Larry CDOT (Reg.1) 180,733 1/27/2006 1/1/2009Reinagel, William Ground Engineering 181,746 7/21/2016 7/31/2019Reinking, Michael Craig Vivid Engineering Group 189,177 11/21/2019 11/30/2022Reiter, Benjamin Empire Consulting Services 181,241 10/13/2011 10/1/2014Reiter, Rick Earth Engineering Consultants (CS) 181,308 8/16/2012 8/1/2015Reno, Kurt Carter Burgess 180,300 7/13/2001 7/1/2004Rexford, Kerry Soilogic Inc. 181,106 5/22/2009 5/1/2012Reyes, Reynaldo Kleinfelder 180,611 10/14/2004 10/1/2007


Tech Name Employer Name Cert Num Cert Date Cert ExpiresReynolds, Channing NWCC 181,131 2/22/2013 2/1/2018Rhame, Will Shannon & Wilson, Inc. 181,359 5/19/2016 5/31/2021Rhoades, Joseph Vine Laboratories 189,163 10/24/2019 10/31/2022Rhoades, Kenneth Cesare Inc. 189,045 3/28/2019 3/31/2022Rice, Shawn Kleinfelder 181,416 11/14/2013 11/30/2016Richards, Tyler Rock Sol Consulting Group 189,123 7/11/2019 7/31/2022Richardson, Jared Kleinfelder-Golden 180,738 2/23/2006 2/1/2009Richner, Kimberly Kleinfelder Inc. (CO Spgs) 181,230 8/18/2011 8/1/2014Rieg, Philip CDOT Holly Street (North) 181,272 10/26/2017 10/31/2022Rieth, Lee Bechtolt 189,064 4/10/2019 4/30/2022Riley, James H-P Geotech (Parker) 180,231 1/19/2001 1/1/2004Rivera, Brian Ground Engineering 181,985 8/23/2018 8/31/2021Rivera, Caleb Cesare Inc. 181,881 7/27/2017 7/31/2020Rivera, Christopher Terracon 182,032 11/29/2018 11/30/2021Roach, Neomia City of Aurora 181,098 3/20/2009 3/1/2012Roacho, Keith Rock Sol Consulting Group 181,633 8/27/2015 8/31/2018Roalofs, Scott CDOT - HQ 180,901 5/13/2010 5/1/2015Roanhorse, Ladele Terracon 180,667 5/6/2005 5/1/2008Roberson, Edwin Western Technologies (NM) 180,770 5/12/2006 5/1/2009Roberts, Benjamin Ground Engineering 189,151 9/26/2019 9/30/2022Roberts, Joeseph LaPlata County 189,018 3/18/2011 3/1/2014Roberts, Kari Western Colorado Testing, Inc. 180,112 3/25/2000 3/1/2003Roberts, Todd Ground Engineering 180,491 3/14/2003 3/1/2006Robertson, Lane CDOT (R-3 Cr.) 181,694 3/28/2019 3/31/2024Robertson, Robert In Tec of Denver Metro LLC 180,927 9/21/2007 9/1/2010Robertson, Rodger Kleinfelder Inc. (CO Spgs) 181,259 2/23/2012 2/1/2015Robinson, James Kleinfelder 189,113 6/27/2019 6/30/2022Robinson, Michael Triax Engineering 189,178 11/21/2019 11/30/2022Robinson, Tiffani Terracon Ft. Collins 181,720 6/27/2019 6/30/2024Rocheleau, Stephen Ground Engineering 181,973 7/26/2018 7/31/2021Rock, James Terracon 180,602 7/16/2004 7/1/2007Rodriguez, Leo Yeh & Associates 180,394 7/17/2014 7/31/2019Rodriguez, Peter Acura Engineering 181,260 2/23/2012 2/1/2015Rodriguez, Ronney Yeh & Associates 180,388 4/26/2002 4/1/2005Roesler, Jerr Ground Engineering 180,694 12/18/2008 12/1/2013Rogers, Josh Josh Ground Engineering 180,843 1/18/2007 1/1/2010Rogers, Ric Geocal, Inc. 180,086 2/25/2000 2/1/2003Rogoza, Richard Terracon (Colorado Springs) 180,464 1/26/2006 1/1/2009Rohan, Armando Terracon (Colorado Springs) 181,451 4/8/2014 4/30/2017Rojas, Luis Martin Marietta, Inc. 181,634 8/27/2015 8/31/2018Romero, Francisco Vine Laboratories 181,965 6/14/2018 6/30/2021Romero, Juan Vine Laboratories 180,756 4/24/2014 4/30/2019Romero, Richard CDOT (Reg.2-P) 180,010 8/21/2008 8/1/2013Ronnekleiv-Kelly, Rolf Yeh & Associates 180,258 3/2/2001 3/1/2004Rosburg, Dustin Ground Engineering 181,048 9/19/2008 9/1/2011Rosedahl, Andy CDOT (Reg.3-GJ) 180,558 5/22/2020 5/31/2025Rosencrans, Clark Ground Engineering 181,141 2/18/2010 2/1/2013Roskop, Miranda CDOT R-4 (Loveland) 180,509 1/9/2009 1/1/2014Ross, Matthew Terracon 182,054 1/24/2019 1/31/2022Rossart, Beth CDOT - HQ 180,044 12/6/2002 12/1/2005Rostampour, Ramin Kiewit 189,124 7/11/2019 7/31/2022Roth, Matthew CH2MHill 189,032 5/23/2013 5/31/2016Rowe, Jason CTL Thompson (Pueblo) 180,980 3/24/2011 3/1/2016Rowe, Taylor Ground Engineering 189,292 7/20/2020 7/31/2023


Tech Name Employer Name Cert Num Cert Date Cert ExpiresRowell, Dawn CDOT (Reg.3-GJ) 180,668 6/4/2020 6/30/2025Roybal, John CH2MHill 180,393 4/18/2013 4/1/2018Roybal, Scott URS Greiner (Denver) 180,693 10/27/2005 10/1/2008Royse, Kyle Kleinfelder-Golden 181,284 5/17/2012 5/1/2015Royse, Lee Ground Engineering 181,510 8/14/2014 8/31/2017Rudy, Stephen CDOT (Reg.1) 180,094 4/22/2004 4/1/2007Ruff, Adam Rock Sol Consulting Group 181,712 1/24/2019 1/31/2024Runner, Kevin Lyman Henn Inc. 180,574 8/19/2010 8/1/2015Rupe, Hayden Geocal Inc. (CS) 181,521 9/21/2017 9/30/2022Rush, Tracy Western Technologies Inc. 180,380 4/5/2002 4/1/2005Russell, Christopher CDOT Holly Street (North) 181,554 12/18/2014 12/31/2017Rust, Jordan Rock Sol Consulting Group 189,220 5/5/2020 5/31/2023Rustad, Brit Ground Engineering 181,667 12/17/2015 12/31/2018Rutan, Cullen CDOT R-3 (M) 181,063 3/3/2016 3/31/2021Ruth, Christopher par 180,746 2/19/2009 2/1/2014Rutkoski, Cindy CAPA 180,055 10/24/2008 10/1/2013Ryan, Timothy Kleinfelder-Golden 180,570 9/21/2017 9/30/2022Rychel, Frederick URS Greiner (Denver) 180,274 4/20/2001 4/1/2004Sabbagh, Borna A.G. Wassenaar, Inc. 181,668 12/17/2015 12/31/2018Sabroske, John Rock Sol Consulting Group 181,721 7/25/2019 7/31/2024Sadat, Sayed Qaisuddin Westest 189,202 2/18/2020 2/28/2023Salari, Mohammad Rock Sol Consulting Group 180,276 5/11/2001 5/1/2004Salyers, Leroy Terracon (NM) 181,611 4/30/2015 4/30/2018Samsel, Kenneth Two Rivers Testing 180,538 12/11/2003 12/1/2006Sanchez, Julio Vine Laboratories 181,794 6/5/2020 6/30/2025Sanchez, Lawrence Western Colorado Testing, Inc. 180,133 4/4/2000 4/1/2003Sanchez, Miriam Koechlien Consulting Engineering(GJ) 181,065 4/1/2011 4/1/2016Sanchez, Robert CDOT R-5 (Alamosa) 180,717 12/12/2013 12/31/2018Sanchez, Ryan Terracon (Colorado Springs) 181,477 6/19/2014 6/30/2017Sanderson, Drayton Terradyne 181,132 11/19/2009 11/1/2012Sandifer, Gary Rock Sol Consulting Group 180,404 4/19/2018 4/30/2023Sandy, Tyra Kleinfelder Inc. (CO Spgs) 181,635 8/27/2015 8/31/2018Sanger, Jason CTL Thompson (Ft. Collins) 180,981 2/21/2008 2/1/2011Santana, Yadira koe 180,369 3/8/2002 3/1/2005Santorno, Christopher Ground Engineering 181,179 4/23/2015 4/30/2020Sarchet, Richard CDOT (Reg. 4) 180,185 6/2/2000 6/1/2003Sare, Johnathan Ground Engineering 181,277 4/19/2012 4/1/2015Sartin, Jake Terradyne 181,377 5/23/2013 5/31/2016Sartin, Wesley Terradyne 181,427 3/23/2017 3/31/2022Satar, Mukhtar Ground Engineering 181,314 9/20/2012 9/1/2015Sauter, Benjamin Cesare Inc. 189,263 6/4/2020 6/30/2023Savage-Foote, Lincoln Cesare Inc. 189,209 2/27/2020 2/28/2023Savov, Konstantin Vine Laboratories 181,583 3/26/2015 3/31/2018Sawaya, James CDOT (Reg.2-P) 180,270 8/23/2007 8/1/2010Scaggari, Mitchell Vine Laboratories 181,851 4/27/2017 4/30/2020Scaglione, Sam Ground Engineering 189,183 12/12/2019 12/31/2022Scanga, Don CDOT (Reg.2-C) 180,605 8/12/2004 8/1/2007Schaal, Donna Best Engineering 189,244 5/21/2020 5/31/2023Schaible, Kaitlin Terracon 189,300 7/30/2020 7/31/2023Schamber, Shawn Ground Engineering 182,040 12/13/2018 12/31/2021Scheidler, Christopher John Ground Engineering 189,184 12/12/2019 12/31/2022Schemp, Terrance Geocal, Inc. 182,000 9/27/2018 9/30/2021Schenfeld, George koe 181,133 11/19/2009 11/1/2012Schiavone, Deborah Kleinfelder-Golden 181,775 9/22/2016 9/30/2019


Tech Name Employer Name Cert Num Cert Date Cert ExpiresSchickel, Hugh Intertek-PSI 181,497 7/17/2014 7/31/2017Schiebel, Lewis Rock Sol Consulting Group 189,286 6/19/2020 6/30/2023Schiechl, Marc A.G. Wassenaar, Inc. 181,805 11/17/2016 11/30/2019Schiffner, Derrick Kumar & Associates (Ft. Collins) 180,296 6/22/2001 6/1/2004Schiffner, Jessica Acura Engineering 180,828 11/19/2009 11/1/2014Schlager, Justin PCH 181,522 9/18/2014 9/30/2017Schlittenhart, Todd Yeh & Associates 180,245 2/16/2001 2/1/2004Schmalz, Christopher H-P GeoTech 181,722 5/19/2016 5/31/2019Schmeiser, Frank Terracon 180,903 5/25/2007 5/1/2010Schmidt, Andrew Westest 181,919 1/26/2018 1/31/2021Schmitt, Matt Ground Engineering 180,620 11/28/2018 11/30/2023Schneider, Joanna Geocal, Inc. 181,165 8/19/2010 8/1/2013Schneider, Joseph Terracon 181,009 7/14/2011 7/1/2016Schneider, Robert Vine Laboratories 181,941 3/22/2018 3/31/2021Schneider, Rodney Weld County Public Works 180,879 2/23/2017 2/28/2022Schoengarth, David Interstate Highway Cosntruction 181,295 9/22/2016 9/30/2021Schott Jr., Charles Terracon 180,982 2/21/2008 2/1/2011Schott, Joel CTL Thompson (Pueblo) 181,167 8/19/2010 8/1/2013Schott, Michael Rock Sol Consulting Group 181,445 3/27/2014 3/31/2017Schreiber, Michael CDOT (Reg.2-P) 180,983 7/23/2015 7/31/2020Schreiner, Brant Geocal, Inc. 180,801 6/22/2006 6/1/2009Schreiner, Jacob Westest 189,287 6/19/2020 6/30/2023Schrock, Arthur Western Technologies (NM) 180,652 4/8/2005 4/1/2008Schroder, Kyle Rock Sol Consulting Group 180,880 3/26/2015 3/31/2020Schroeder, Devin Ground Engineering 180,307 9/7/2001 9/1/2004Schroeder, Eric Terracon 189,059 4/2/2019 4/30/2022Schroeder, Jeremy Ground Engineering 181,865 5/22/2020 5/31/2025Schuette, Micah Rock Sol Consulting Group 181,034 6/19/2008 6/1/2011Schulte Jr., Clarence Four Corners Materials 181,370 4/26/2013 4/1/2016Schultz, Richard CDOT - HQ 180,001 10/15/1999 10/1/2002Schumacher, Craig CDOT (Reg. 4) 180,103 3/24/2000 3/1/2003Schumann, Cory Ground Engineering 181,166 8/19/2010 8/1/2013Schwabauer, Michael Southeast Corridor Constructors 180,457 1/17/2003 1/1/2006Schwarz, Jordan Geocal, Inc. 181,498 7/17/2014 7/31/2017Schwindaman, Nicholas Ground Engineering 189,203 2/18/2020 2/28/2023Sciacca, Tamara Yeh & Associates (Durango) 181,273 4/13/2012 4/1/2015Scism, Trey Rock Sol Consulting Group 189,275 6/11/2020 6/30/2023Scott, David Geocal, Inc. 180,008 2/25/2005 2/1/2008Scott, David Geocal, Inc. 180,104 3/21/2008 3/1/2013Scott, Jeremy Yeh & Associates 181,584 3/26/2015 3/31/2018Scott, Jermaine Ground Engineering 180,520 6/20/2003 6/1/2006Scott, Jim Kumar and Associates 180,383 4/5/2002 4/1/2005Scroggins, David Geocal, Inc. 180,844 1/18/2007 1/1/2010Scroggins, Jeffrey AECOM 180,881 2/23/2017 2/28/2022Seabeck, David Ground Engineering 181,050 9/19/2008 9/1/2011Sears, Adam par 181,099 6/21/2012 6/1/2017Sedlacek, Rebecca Westest 181,942 3/22/2018 3/31/2021Sedlar, Amy Ground Engineering 180,591 6/11/2004 6/1/2007Segay, Harold Western Technologies (NM) 180,779 5/12/2006 5/1/2009Segura, Danny CDOT (Reg.6) 180,410 2/19/2009 2/1/2014Seifi, Hosein Rock Sol Consulting Group 181,627 6/14/2018 6/30/2023Semus, Dean Rock Sol Consulting Group 181,072 3/23/2017 3/31/2022Senjem, Daniel Western Technologies Inc. 180,682 4/26/2013 4/1/2018Server, Jeffrey Atkins 180,788 12/21/2017 12/31/2022


Tech Name Employer Name Cert Num Cert Date Cert ExpiresServold, Andrew Ground Engineering 181,852 6/1/2020 6/30/2025Sewell, Greg Hollingsworth & Associates 180,214 11/10/2000 11/1/2003Sewell, Patrick Acura Engineering 180,830 11/19/2009 11/1/2014Shafer, Bernard CDOT (R-3 Cr.) 181,447 5/18/2017 5/31/2022Shafer, Jacob CDOT (Reg.3-GJ) 181,068 12/4/2008 12/1/2011Shaffer, Austin Vivid Engineering Group 189,102 6/13/2019 6/30/2022Shaffer, Christian Ground Engineering 182,022 11/28/2018 11/30/2021Shanks, Jeffrey City of Grand Junction 180,130 10/25/2018 10/31/2023Shanks, Sharon Yeh & Associates Grand Junction 180,122 3/3/2016 3/31/2021Shatz-Batchelor, Joshua Ground Engineering 181,541 7/26/2018 7/31/2023Shaw, P.J. Rock Sol Consulting Group 181,732 6/27/2019 6/30/2024Shawcroft, Nathan CDOT (Reg.5) 181,452 4/8/2014 4/30/2017Shellman, Jonathan Rock Sol Consulting Group 180,408 8/21/2008 8/1/2013Shelton, Logan Ground Engineering 181,992 9/26/2018 9/30/2021Shepard, Courtney Parsons Brinckerhoff 181,636 8/27/2015 8/31/2018Shepard, David Schmuesen Gordon Meyer 181,003 10/13/2011 10/1/2016Shephard, William Westest 181,073 12/18/2008 12/1/2011Sheppard, Jordan Olsson Associates 181,840 3/23/2017 3/31/2020Shia, Young-Su CH2MHill 189,022 9/22/2011 9/1/2014Shickora, Cyril Kleinfelder 189,223 5/5/2020 5/31/2023Shoemaker, Josh Ground Engineering 181,035 3/23/2017 3/31/2022Sholokhov, Aleks koe 181,100 3/20/2009 3/1/2012Short, Howard CTL Thompson - Denver 180,013 6/16/2011 6/1/2016Shorts, Trevor Vine Laboratories 189,224 5/5/2020 5/31/2023Shuey, Roger CDOT (Reg.6) 180,329 12/28/2001 12/1/2004Shuey, Shawn Mountain Engineering & Testing 180,347 5/23/2008 5/1/2013Shupe, Christopher Ground Engineering 181,511 8/14/2014 8/31/2017Sias, Matthew Ground Engineering 181,841 5/8/2020 5/31/2025Sieberg, Justin Kumar and Associates (CO Springs) 180,195 7/14/2000 7/1/2003Silkey, Richard Earth Engineering Consultants 181,318 12/13/2012 12/1/2015Silver, David Southeast Corridor Constructors 180,476 2/14/2003 2/1/2006Silversmith, Crystal Western Technologies (NM) 180,596 6/12/2009 6/1/2014Simenson, Eric Geocal, Inc. 181,319 12/13/2012 12/1/2015Simmons, Aaron koe 180,339 1/25/2002 1/1/2005Simmons, Clifton Mountain Engineering & Testing 182,063 2/21/2019 2/28/2022Simon, Scott Terracon 189,114 6/27/2019 6/30/2022Simpson, Kaydawn URS Greiner (CO. Springs) 180,662 4/21/2005 4/1/2008Sims, Tara United Companies 180,870 3/3/2016 3/31/2021Sipe, Jonathan Kleinfelder-Golden 181,245 11/17/2011 11/1/2014Sipnefski, Rudy CDOT (Reg.2-C) 180,171 8/23/2007 8/1/2010Sisco, Richard CDOT (Reg.3-GJ) 180,928 4/16/2010 4/1/2015Sisson, Jim CDOT (Reg. 4) 181,049 9/19/2008 9/1/2011Skalecki, Jay United Companies 181,367 4/23/2013 4/1/2016Sketchler, Marci Ground Engineering 181,892 9/21/2017 9/30/2020Smith, Aaron CG Geotech 181,853 4/27/2017 4/30/2020Smith, Brandon A.G. Wassenaar, Inc. 180,609 10/14/2004 10/1/2007Smith, Charles CDOT (Reg.2-P) 180,064 6/13/2019 6/30/2024Smith, Cody Yeh & Associates Grand Junction 181,723 5/19/2016 5/31/2019Smith, Dan Western Colorado Testing, Inc. 180,110 3/25/2000 3/1/2003Smith, Davis CDOT (Reg.2-C) 180,220 7/23/2015 7/31/2020Smith, Douglas Atkins 180,722 1/26/2006 1/1/2009Smith, James Kleinfelder-Golden 180,811 8/25/2006 8/1/2009Smith, Keith Rock Sol Consulting Group 180,858 3/26/2015 3/31/2020Smith, Lee Yeh & Associates 180,065 2/19/2009 2/1/2014


Tech Name Employer Name Cert Num Cert Date Cert ExpiresSmith, Lilli Elam Construction 189,069 4/10/2019 4/30/2022Smith, Matt Ground Engineering 180,228 1/5/2001 1/1/2004Smith, Matthew R.J. Pagan 181,181 2/26/2015 2/29/2020Smith, Michael CDOT - HQ 180,363 3/20/2009 3/1/2014Smith, Mike Yeh & Associates Grand Junction 181,585 4/10/2019 4/30/2024Smith, Paul Ground Engineering 181,826 1/26/2017 1/31/2020Smith, Paul.. CDOT - HQ 180,402 5/25/2007 5/1/2010Smith, Richard Rock Sol Consulting Group 180,802 6/22/2006 6/1/2009Smith, Shaun CTL Thompson (Pueblo) 180,285 5/25/2001 5/1/2004Smith, Stan Yeh & Associates Grand Junction 181,695 4/18/2019 4/30/2024Smith, Stefano Ground Engineering 181,101 3/20/2009 3/1/2012Smith, Tanner Rock Sol Consulting Group 181,733 6/23/2016 6/30/2019Smith, Thomas Ground Engineering 181,436 2/27/2014 2/28/2017Smith, Ty Terracon 189,252 6/1/2020 6/30/2023Smits, Tyler Ground Engineering 181,121 9/18/2009 9/1/2012Sneed, Donald par 180,831 6/21/2012 6/1/2017Snyder, Greg Lyman Henn Inc. 180,702 11/18/2005 11/1/2008Snyder, Robert Rock Sol Consulting Group 189,028 4/19/2012 4/1/2015Snyder, William URS Greiner (Denver) 180,221 1/5/2001 1/1/2004Solano, Thomas CTL Thompson - Denver 181,221 6/16/2011 6/1/2014Solberg, Jeremy NWCC 181,360 6/23/2016 6/30/2021Soliz, Chad Martinez Associates 181,628 7/23/2015 7/31/2018Sombolinggi, Insan Reynolds & Associates 181,966 6/14/2018 6/30/2021Sorensen, Shane Ground Engineering 181,309 1/28/2016 1/31/2021Sorrelhorse, Jessfred Terracon 181,413 10/17/2013 10/31/2016Speed, Tony Rock Sol Consulting Group 181,669 12/17/2015 12/31/2018Speer, Kirk Western Technologies (NM) 180,406 6/28/2002 6/1/2005Spera, Steve CDOT (Reg.2-P) 180,697 9/19/2013 9/30/2018Sphatt, Jacob Rock Sol Consulting Group 182,055 1/24/2019 1/31/2022Spilker, gour Kumar & Associates (Frisco) 181,168 8/19/2010 8/1/2013Sprague, Adam Martinez Associates 181,700 11/21/2019 11/30/2024Spratt, David Kiewit 181,637 8/22/2019 8/31/2024Spriggs, Lucas Westest 189,279 6/15/2020 6/30/2023St. Jean, Zachary Ground Engineering 180,425 8/30/2002 8/1/2005St. Laurent, Shane Geocal, Inc. 180,360 2/22/2002 2/1/2005St. Onge, Josh Ground Engineering 181,247 3/26/2015 3/31/2020St. Onge, Mark Terracon 181,931 2/22/2018 2/28/2021Stackhouse, Amy koe 180,193 7/14/2000 7/1/2003Stadel, Mitchell Kleinfelder Inc. (CO Spgs) 181,854 4/27/2017 4/30/2020Stafford, Scott Kumar and Associates (CO Springs) 180,202 5/22/2014 5/31/2019Stahlecker, Cole Terracon Ft. Collins 180,984 3/21/2008 3/1/2011Stallings, Andrew Yeh & Associates Grand Junction 181,366 4/23/2013 4/1/2016Stanford, Michael CDOT - HQ 181,155 5/13/2010 5/1/2013Stanley, Scott Intertek-PSI 180,572 11/21/2008 11/1/2013Stanton, Dan Ground Engineering 180,218 2/25/2005 2/1/2008Steadman, Kirk Kleinfelder-Golden 180,023 3/20/2009 3/1/2014Steel, J. Daniel Amec Foster Wheeler 181,378 4/5/2016 4/30/2021Stefanski, Rhowe Ground Engineering 181,776 9/22/2016 9/30/2019Steinhauer, Andrew Terracon Ft. Collins 181,701 4/18/2019 4/30/2024Steinruck, Sarah H-P Geotech (Parker) 181,352 3/22/2013 3/1/2016Stelljes, Michael Vine Laboratories 181,686 2/25/2016 2/28/2019Stember, Leanne Martinez Associates 181,855 5/8/2020 5/31/2025Stephens, Barbara Rock Sol Consulting Group 180,377 5/23/2008 5/1/2013Stephenson, Erik CDOT - HQ 181,246 11/17/2011 11/1/2014


Tech Name Employer Name Cert Num Cert Date Cert ExpiresStephenson, Gregg CDOT - HQ 180,700 11/18/2005 11/1/2008Stephenson, Kaye CDOT (Reg.6) 180,040 12/10/1999 12/1/2002Stermer, Nicholas Rock Sol Consulting Group 181,747 7/27/2017 7/31/2020Stevens, Beau Vine Laboratories 181,596 4/23/2015 4/30/2018Stevens, Cynthia Rock Sol Consulting Group 180,140 3/3/2016 3/31/2021Stevens, Marc Terracon 180,941 4/21/2011 4/1/2016Stevens, Thomas A.G. Wassenaar, Inc. 180,608 9/17/2004 9/1/2007Steward, Eric CTL Thompson (Pueblo) 180,088 2/26/2000 2/1/2003Stewart, Shawn Ground Engineering 180,789 5/26/2006 5/1/2009Stirbys, Anthony Kleinfelder 180,375 2/10/2005 2/1/2008Stites, Eric CTL Thompson (Pueblo) 180,283 5/11/2001 5/1/2004Stocker, Blake Rock Sol Consulting Group 189,194 1/30/2020 1/31/2023Stocker, Robert Kleinfelder Inc. (CO Spgs) 181,193 3/24/2011 3/1/2014Stoermer, Eric Acura Engineering 181,170 9/23/2010 9/1/2013Stone Sr., Steven ATSER 180,600 7/16/2004 7/1/2007Stone, Johnny Kleinfelder 189,268 5/8/2020 5/31/2023Stone, Jonathan A.G. Wassenaar, Inc. 180,212 10/27/2000 10/1/2003Stone, Tyler RS&H, Inc. (Tx) 181,920 1/26/2018 1/31/2021Stoneman, Travis Atkins 181,344 2/22/2013 2/1/2016Story, Daniel CDOT (Reg.2-P) 181,000 3/23/2017 3/31/2022Stout, Breanna Westest 181,675 2/21/2019 2/29/2024Strand, Brock Terracon (Colorado Springs) 181,010 5/23/2008 5/1/2011Strandberg, Ray TSH Engineering 181,574 2/26/2015 2/28/2018Strasser, Samantha CDOT - HQ 181,310 8/16/2012 8/1/2015Stratton, Christian Kumar & Associates (Ft. Collins) 180,790 9/18/2014 9/30/2019Stravato, Joseph Rock Sol Consulting Group 189,152 9/26/2019 9/30/2022Strebelinski, Jesse Rock Sol Consulting Group 181,205 3/27/2014 3/31/2019Strouthopoulos, Amy Westest 181,660 3/28/2019 3/31/2024Stults, Mark Ground Engineering 180,659 10/17/2013 10/31/2018Stump, Jeffrey Kumar and Associates (Parker) 181,523 8/23/2018 8/31/2023Stump, Robert Kleinfelder Inc. (CO Spgs) 180,308 9/7/2001 9/1/2004Sullivan, Andrew Vivid Engineering Group 182,047 12/20/2018 12/31/2021Sullivan, Kevin Stanley Consultants 181,827 1/26/2017 1/31/2020Sulzer, Sean Kumar & Associates (Fraser) 181,967 6/14/2018 6/30/2021Sumner, Jason Western Technologies (NM) 180,771 4/29/2011 4/1/2016Sumption, Michael CTL Thompson (Pueblo) 180,036 11/19/1999 11/1/2002Sunderman, Justin Westest 180,965 1/11/2008 1/1/2011Sunderman, Kyle Shannon & Wilson, Inc. 181,231 12/12/2019 12/31/2024Sundvick, Daniel Stantec Consulting 189,013 12/16/2010 12/1/2013Sutton, Tanner Ground Engineering 181,499 7/17/2014 7/31/2017Suvanprateep, Surat Ground Engineering 181,171 10/28/2010 10/1/2013Swaisgood, Eric Kumar and Associates (CO Springs) 180,966 11/17/2011 11/1/2016Swanson III, William Kiewit 189,115 6/27/2019 6/30/2022Swanson, Eric Ground Engineering 180,648 4/8/2005 4/1/2008Swanson, Justin Western Technologies (NM) 180,328 12/28/2001 12/1/2004Swanson, Robert A.G. Wassenaar, Inc. 180,012 10/22/1999 10/1/2002Swarts, Linda Western Technologies (NM) 181,017 4/13/2012 4/1/2017Swartz, Matthew Geocal, Inc. 181,885 8/24/2017 8/31/2020Swedberg, Karman Westest 180,627 2/10/2005 2/1/2008Sweigart, Troy Parsons Brinckerhoff 181,586 3/26/2015 3/31/2018Swiggum, Kyle Rock Sol Consulting Group 189,295 7/24/2020 7/31/2023Tabor, Amanda Intertek-PSI 189,195 1/30/2020 1/31/2023Taccolini, Dominic Westest 189,204 2/18/2020 2/28/2023Talve, Max Ground Engineering 189,196 1/30/2020 1/31/2023


Tech Name Employer Name Cert Num Cert Date Cert ExpiresTanner, Roger Rock Sol Consulting Group 180,948 3/24/2011 3/1/2016Tarasar, Madeline CDOT Holly Street (North) 189,197 1/30/2020 1/31/2023Tasayco, Carlos RMG Engineering 181,748 7/21/2016 7/31/2019Taulowicz, David Acura Engineering 181,296 6/21/2012 6/1/2015Taylor, Craig Ground Engineering 180,355 4/18/2019 4/30/2024Taylor, James A.G. Wassenaar, Inc. 181,058 10/23/2008 10/1/2011Taylor, John Terracon 181,713 4/18/2019 4/30/2024Taylor, Jonathan Terradyne 180,344 6/21/2012 6/1/2017Taylor, Philip A.G. Wassenaar, Inc. 180,595 6/24/2004 6/1/2007Tchouban, Bryan CDOT - HQ 180,698 3/28/2019 3/31/2024Tesfamariam, Kaleab Rock Sol Consulting Group 181,818 12/15/2016 12/31/2021Test4, Test CDOT Holly Street (North) 189,036 4/22/2019 4/30/2022Teves, Travis Geocal, Inc. 181,297 6/27/2019 6/30/2024Thibault, Sandon CTL Thompson (Pueblo) 180,129 2/14/2003 2/1/2006Thom, Heather Elam Construction 181,144 4/10/2019 4/30/2024Thomas, Daniel Ground Engineering 180,630 2/25/2005 2/1/2008Thomas, David CDOT Holly Street (North) 181,819 12/18/2019 12/31/2024Thomas, James Intertek-PSI 180,680 6/23/2005 6/1/2008Thomas, Steven Ground Engineering 181,882 7/20/2020 7/31/2025Thompson, Adam Ground Engineering 181,057 10/23/2008 10/1/2011Thompson, Andrew Martinez Associates 182,007 10/18/2018 10/31/2021Thompson, Bradley Ground Engineering 181,253 1/19/2012 1/1/2015Thompson, Manuelito Western Technologies (NM) 180,781 6/12/2009 6/1/2014Thompson, Sam Ground Engineering 180,689 8/25/2005 8/1/2008Thornbrue, Michael Intertek-PSI 180,436 10/18/2002 10/1/2005Thornton, Kyle A.G. Wassenaar, Inc. 181,932 2/22/2018 2/28/2021Tiley, Cord Ground Engineering 189,198 1/30/2020 1/31/2023Tillman, Duncan Ground Engineering 189,239 5/20/2020 5/31/2023Timm, Michael Dan Atkins 181,169 12/15/2016 12/31/2021Tom, Michele JR Engineering 189,185 12/12/2019 12/31/2022Tomlinson, Josh Kumar and Associates 181,866 5/18/2017 5/31/2020Tong, Kevin Westest 180,623 1/20/2005 1/1/2008Toomey, James Vivid Engineering Group 189,164 10/24/2019 10/31/2022Toppi, Jiovanna CDOT South Holly 181,261 10/27/2016 10/31/2021Torres, Alexandra Ground Engineering 189,134 8/7/2019 8/31/2022Torres, Christina Kumar and Associates (CO Springs) 180,367 3/8/2002 3/1/2005Torres, Jeovanny Ground Engineering 181,905 11/16/2017 11/30/2020Torrey, Nathan Ground Engineering 180,653 4/8/2005 4/1/2008Torrez, David Carter Burgess 180,356 4/21/2005 4/1/2008Torrez, Mark Rock Sol Consulting Group 181,345 1/28/2016 1/31/2021Touchet, Todd Ground Engineering 181,407 9/20/2013 9/30/2016Townsend, Jordan Trautner Geotech 181,453 4/8/2014 4/30/2017Tran, Hunter RS&H, Inc. 189,153 9/26/2019 9/30/2022Traugutt, Eric Ground Engineering 181,107 5/22/2009 5/1/2012Treanor-brown, Jeffrey par 180,090 2/26/2000 2/1/2003Trifonov, Ivan Ground Engineering 180,882 4/19/2007 4/1/2010Trombley, John Westest 189,245 5/21/2020 5/31/2023Truett, Trevor CTL Thompson (Pueblo) 180,264 4/22/2004 4/1/2007Trujillo Jr., Daniel Ground Engineering 180,586 6/24/2004 6/1/2007Trujillo, Chris CDOT - HQ 180,833 12/11/2009 12/1/2014Trujillo, Edward CDOT - HQ 180,919 11/14/2013 11/30/2018Trujillo, Nicholas Ground Engineering 181,361 4/18/2013 4/1/2016Truman, Albert A.G. Wassenaar, Inc. 180,048 12/11/1999 12/1/2002Tschida, Simone RMG Engineering 180,902 7/21/2016 7/31/2021


Tech Name Employer Name Cert Num Cert Date Cert ExpiresTsosie, Herbert Trautner Geotech 180,368 3/2/2017 3/31/2022Tsosie, Katrina Western Technologies (NM) 180,782 5/12/2006 5/1/2009Tuozzolo, Troy Robert Vivid Engineering Group 189,186 12/12/2019 12/31/2022Turner, Cheryl Kumar and Associates (CO Springs) 180,311 9/28/2001 9/1/2004Turner, Jay CTL Thompson (Ft. Collins) 181,346 2/22/2013 2/1/2016Turner, Kenny Geomat Inc. 181,689 3/1/2016 3/31/2019Turner, Wendy CDOT (Reg. 4) 180,184 6/2/2000 6/1/2003Turpaud, Daniel Ground Engineering 181,676 12/20/2018 12/31/2023Tuttle, Travis Cesare Inc. 181,237 7/17/2014 7/31/2019Tyler, Caden Geocal, Inc. 181,734 7/25/2019 7/31/2024Tysinger, David Rock Sol Consulting Group 181,011 1/14/2011 1/1/2016Udovitsch, Matthew Kleinfelder-Golden 180,767 4/20/2006 4/1/2009Uhle, Dave Ground Engineering 181,806 11/17/2016 11/30/2019Ullmann, Todd Terracon-Longmont 180,827 10/19/2006 10/1/2009Umali, Carlvin Geocal, Inc. 180,209 1/9/2004 1/1/2007Unsderfer, Buck Vine Laboratories 181,587 3/26/2015 3/31/2018Upright, Nicola CDOT (Reg. 4) 180,400 4/18/2013 4/1/2018Uptain, Kevin Trautner Geotech 181,834 3/2/2017 3/31/2020Ursini, Chauncy Kleinfelder 180,631 2/25/2005 2/1/2008Usry, Daniel Rock Sol Consulting Group 189,231 5/8/2020 5/31/2023Valdez, Eric CDOT R-5 (Alamosa) 181,066 12/4/2008 12/1/2011Valentine, Josh James L. Valentine Inc. 180,504 4/11/2003 4/1/2006Valentinelli, David CDOT (Reg.5) 180,709 1/12/2006 1/1/2009Van Bemmel, Eric Cesare Inc. 181,661 11/29/2018 11/30/2023Van Bemmel, Kelsey Ground Engineering 180,821 4/5/2016 4/30/2021Van Devener, Donald Ground Engineering 180,259 3/22/2012 3/1/2017Van Dyne, James CDOT (Reg.1) 180,077 4/25/2003 4/1/2006Van Essen, Andrew City of Aurora 181,330 1/17/2013 1/1/2016Van Kirk, Lisa Elam Construction 180,685 4/10/2019 4/30/2024Vance, Aaron Ground Engineering 181,677 1/28/2016 1/31/2019Vance, Caleb Vine Laboratories 189,061 4/2/2019 4/30/2022Vanderpool, Julie Yeh & Associates 180,644 6/14/2018 6/30/2023Vandervert, Michael Scott Trautner Geotech 181,763 4/10/2019 4/30/2024VanMatre, Travis TSH Engineering 181,524 9/18/2014 9/30/2017VanStrate, Keith Ground Engineering 180,929 11/19/2015 11/30/2020VanSwearingen, John Rock Sol Consulting Group 180,704 1/19/2012 1/1/2017Vargas, Rudy Rock Sol Consulting Group 181,575 1/24/2019 1/31/2024Varnak, Brian Stanley Consultants 180,232 10/25/2018 10/31/2023Vaughan, Norman Koechlein Consulting Enginering 180,835 12/14/2006 12/1/2009Vega, Milton Westest 181,076 12/18/2008 12/1/2011Vela, Derek CDOT (Reg.2-P) 181,702 3/28/2019 3/31/2024Velasquez, Jason CDOT R-5 (Alamosa) 180,657 12/21/2017 12/31/2022Velasquez, Kelly Yeh & Associates 181,150 4/18/2013 4/1/2018Velasquez, Miguel Vine Laboratories 189,085 5/13/2019 5/31/2022Velez, Giovanni Vine Laboratories 189,116 6/27/2019 6/30/2022Velis, Ronald Kleinfelder-Golden 180,683 7/28/2005 7/1/2008Venerable, Tosha Terracon (Colorado Springs) 180,936 10/25/2007 10/1/2010Verinis, Alex CDOT R-3 Eagle 181,749 7/21/2016 7/31/2019Vezakis, Jennifer Ground Engineering 180,883 4/1/2011 4/1/2016Vialpondo, Marty Terracon 181,012 2/22/2013 2/1/2018Vieira, Lena Terracon 181,180 3/27/2014 3/31/2019Vigil, Louise Western Technologies (NM) 180,897 4/27/2007 4/1/2010Villalobos, Ted Western Technologies (NM) 180,893 4/27/2007 4/1/2010Villarreal, Nicholas Ground Engineering 181,986 8/23/2018 8/31/2021


Tech Name Employer Name Cert Num Cert Date Cert ExpiresVinson, Benjamin Ground Engineering 180,915 7/20/2007 7/1/2010Viszlay, Justin Carter Burgess 180,042 1/27/2006 1/1/2009Vitzthum, Adam Westest 181,921 1/26/2018 1/31/2021Vlier-Krauss, Neil Rock Sol Consulting Group 182,056 1/24/2019 1/31/2022Void, Null R.J. Pagan 181,891 9/20/2017 9/30/2020Volz, Jeremy Ground Engineering 181,435 2/27/2014 2/28/2017vom Steeg, Gerhett Rock Sol Consulting Group 181,703 3/28/2019 3/31/2024Von Bemmel, Kelsey Ground Engineering 181,136 12/11/2009 12/1/2012von Bernuth, George Yeh & Associates Grand Junction 180,437 12/12/2013 12/31/2018Vong, Aaron Vine Laboratories 189,086 5/13/2019 5/31/2022Voorhees, Jason CDOT (Reg.5) 181,612 4/30/2015 4/30/2018Voorhes, Mark Kumar & Associates (Ft. Collins) 181,714 4/21/2016 4/30/2019Votruba, Christopher Terracon-Greeley 181,644 9/24/2015 9/30/2018Vu, Cuong H-P Geotech (Parker) 181,735 6/23/2016 6/30/2019Wachsmann, Martin Stantec Consulting 180,060 2/18/2010 2/1/2015Wade, Michael CTL Thompson Inc. (Colorado Springs) 180,834 12/14/2006 12/1/2009Wagner, Dan Terracon 180,661 5/22/2014 5/31/2019Wagner, Lucas Ground Engineering 181,174 11/18/2010 11/1/2013Wagner, Roland A.G. Wassenaar, Inc. 180,097 3/10/2000 3/1/2003Wagner, Scott Washington Infrastructure 180,791 5/26/2006 5/1/2009Wakefield, Clyden Western Technologies Inc. 181,151 4/16/2010 4/1/2013Walan, Susan Short Elliiot Hendrickson 180,930 9/21/2007 9/1/2010Wales, Matthew Kumar and Associates 181,036 12/15/2011 12/1/2016Walker, Alec Westest 181,678 1/28/2016 1/31/2019Walker, Eric Geocal, Inc. 180,859 2/16/2007 2/1/2010Walker, Kaleb Yeh & Associates 181,777 6/27/2019 6/30/2024Wallace, Daniel Four Corners Materials 180,583 6/13/2008 6/1/2013Wallace, Frisco Western Technologies (NM) 180,580 4/16/2010 4/1/2015Wallace, Jacob Ground Engineering 189,179 11/21/2019 11/30/2022Wallen, Joseph koe 181,059 10/23/2008 10/1/2011Walter Jr., Roy Western Technologies (NM) 180,783 6/12/2009 6/1/2014Walter, Ben Geocal, Inc. 181,478 4/27/2017 4/30/2022Walters, Frank CDOT (Reg.2-P) 180,116 3/30/2000 3/1/2003Ward, Cody Ground Engineering 182,023 12/13/2018 12/31/2021Ward, Garrett Vine Laboratories 181,512 10/26/2017 10/31/2022Ward, Jeff CDOT (Reg.2-P) 181,087 2/23/2017 2/28/2022Ware, Becky Atkins 180,083 3/20/2009 3/31/2014Wariner, Michael Ground Engineering 180,551 9/19/2008 9/1/2013Warr, Ed Rock Sol Consulting Group 180,860 12/17/2015 12/31/2020Warren, Jace Westest 181,670 12/17/2015 12/31/2018Warren, Michael Western Technologies Inc. 181,613 4/30/2015 4/30/2018Waters, M. Carter Burgess 180,203 4/9/2004 4/1/2007Watson, Arthur Intertek-PSI 181,736 6/13/2019 6/30/2024Waugh, Michael Carter Burgess 180,107 3/24/2000 3/1/2003Weatherston, Thomas Western Technologies (NM) 180,785 5/12/2006 5/1/2009Weaver, Dale CDOT (Reg.2-P) 180,173 2/28/2003 2/1/2006Webber, Gary URS Greiner (Denver) 180,792 5/26/2006 5/1/2009Webber, Tyler Terracon 181,933 2/22/2018 2/28/2021Webber, William Cesare Inc. 181,893 9/21/2017 9/30/2020Weese, Marcelo Kumar and Associates (CO Springs) 181,108 5/22/2009 5/1/2012Wegelin, Mark Geocal, Inc. 181,588 6/14/2018 6/30/2023Weimer, Stacy Kumar and Associates (CO Springs) 180,793 5/26/2006 5/1/2009Weinbach, Joshua Ground Engineering 180,472 2/14/2003 2/1/2006Weinerth, John Cesare Inc. 181,910 12/21/2017 12/31/2020


Tech Name Employer Name Cert Num Cert Date Cert ExpiresWeldemariam, Hayelom Westest 189,205 2/18/2020 2/28/2023Weldemichael, Yohannes Terradyne 181,316 9/20/2012 9/1/2015Welebo, Habtamu SEH, Inc. 181,597 4/23/2015 4/30/2018Wells, Cory Ground Engineering 180,244 2/16/2001 2/1/2004Wells, Parker Ground Engineering 181,778 9/22/2016 9/30/2019Welty, Ronald Ground Engineering 180,341 11/21/2019 11/30/2024Wennen, Jason A.G. Wassenaar, Inc. 180,194 7/14/2000 7/1/2003Wenzel III, Richard CDOT - HQ 181,074 12/18/2008 12/1/2011Wessner, Lucas par 189,180 11/21/2019 11/30/2022West, Joshua Reynolds & Associates 181,589 3/26/2015 3/31/2018West, Theresa koe 180,224 4/9/2004 4/1/2007Westfall, Michael Kleinfelder (Pueblo) 180,057 3/26/2015 3/31/2020Westhoff, Aaron Yeh & Associates 181,820 10/24/2019 10/31/2024Westhoff, Thomas H-P Geotech (Glenwood Springs) 180,358 1/17/2013 1/1/2018Westhoff, Tony H-P Geotech (Glenwood Springs) 181,075 12/18/2008 12/1/2011Weston, Tyeson Ground Engineering 181,320 1/28/2016 1/31/2021Westrick, Brandon Vine Laboratories 189,165 10/24/2019 10/31/2022Whalen, Austin Terracon 189,076 4/18/2019 4/30/2022Whalen, Travis Terracon 180,942 2/25/2016 2/28/2021Wheeler, Zachary Westest 181,182 1/23/2014 1/31/2019White, Dustin Vivid Engineering Group 182,048 12/20/2018 12/31/2021White, James Kleinfelder Inc. (CO Spgs) 181,621 6/25/2015 6/30/2018White, Josh Ground Engineering 181,704 5/30/2019 5/31/2024Whitehouse, Wendie Ground Engineering 180,638 3/11/2005 3/1/2008Whitfield, Brian A.G. Wassenaar, Inc. 181,671 12/17/2015 12/31/2018Whiting, Stefan Mountain Engineering & Testing 189,070 4/10/2019 4/30/2022Whitlow, Brian Rock Sol Consulting Group 180,949 1/15/2015 1/31/2018Wickness, Scott Ground Engineering 180,908 8/19/2010 8/1/2015Wieden, Craig Kleinfelder Inc. (CO Spgs) 180,180 5/26/2000 5/1/2003Wieder, Robert Rock Sol Consulting Group 181,362 4/5/2016 4/30/2021Wiegand, John Ground Engineering 181,013 3/22/2012 3/1/2017Wiemers, Nate Rock Sol Consulting Group 181,821 12/12/2019 12/31/2024Wiersma, Jarren Rock Sol Consulting Group 181,390 2/25/2016 2/28/2021Wierzbicki, Martha Southeast Corridor Constructors 180,378 3/22/2002 3/1/2005Wiesner, Martin Terracon 189,077 4/18/2019 4/30/2022Wiggins, Aaron A.G. Wassenaar, Inc. 181,807 11/17/2016 11/30/2019Wilcox, Evan Ninyo & Moore 181,779 9/22/2016 9/30/2019Wilcox, Ryan Vivid Engineering Group 189,257 6/3/2020 6/30/2023Wild, Walter Geocal, Inc. 180,581 2/18/2010 2/1/2015Wiley, Harry Kumar and Associates (CO Springs) 180,579 5/7/2004 5/1/2007Wilkinson, Connor Rock Sol Consulting Group 181,750 7/21/2016 7/31/2019Williams, Brandon Cesare Inc. 181,687 2/25/2016 2/28/2019Williams, Bryan Ninyo & Moore 181,122 8/16/2012 8/1/2017Williams, Christopher Kleinfelder Inc. (CO Spgs) 181,001 4/17/2008 4/1/2011Williams, Edwin Westest 181,298 6/21/2012 6/1/2015Williams, Garrett Munson Ground Engineering 189,094 5/30/2019 5/31/2022Williams, John Intertek-PSI 180,688 12/8/2008 12/1/2013Williams, Justin Intertek-PSI 180,405 6/28/2002 6/1/2005Williams, Larry Western Technologies (NM) 180,784 5/12/2006 5/1/2009Williams, Robert CDOT (Reg.6) 180,314 10/12/2001 10/1/2004Williams, Thomas Terracon 181,002 4/17/2008 4/1/2011Williamson, Chase Matt Best 181,751 7/21/2016 7/31/2019Wilson, Bob CDOT (Reg.6) 180,216 5/20/2004 5/1/2007Wilson, Brett CDOT (Reg.6) 180,478 2/28/2003 2/1/2006


Tech Name Employer Name Cert Num Cert Date Cert ExpiresWilson, Michael Southeast Corridor Constructors 180,468 6/22/2006 6/1/2009Wilson, Noah Asphalt Specialties 180,543 1/9/2004 1/1/2007Wilson, Richard Ground Engineering 180,884 4/19/2007 4/1/2010Winter, Allan CDOT (Reg.5) 181,274 4/13/2012 4/1/2015Witt, David Vine Laboratories 181,780 2/18/2020 2/28/2025Wittlif, Edward Terracon 180,943 11/16/2007 11/1/2010Wolde, Endrias Triax Engineering 181,752 7/21/2016 7/31/2019Wolde-Mariam, Assefa J.F. Sato & Associates Inc. 180,271 3/11/2005 3/1/2008Woller, Marshall Ground Engineering 189,154 9/26/2019 9/30/2022Womersley, Todd Ground Engineering 181,479 6/19/2014 6/30/2017Wood, Brian Vine Laboratories 181,856 4/27/2017 4/30/2020Wood, Dick Carter Burgess 180,297 2/10/2005 2/1/2008Wood, Warren Terracon-Longmont 180,935 10/25/2007 10/1/2010Woodard, Jake Ground Engineering 181,822 12/15/2016 12/31/2019Woodard, Paul Ground Engineering 181,455 9/18/2014 9/30/2017Woodward, Terry CDOT (Reg.2-P) 180,119 3/30/2000 3/1/2003Wooley, Mick Ground Engineering 181,987 8/23/2018 8/31/2021Woolley, Trevor CDOT (Reg.3-GJ) 180,072 12/12/2013 12/31/2018Worman, Brett Ground Engineering 181,480 6/19/2014 6/30/2017Wright, Brad CDOT R-4 Greeley 180,812 3/26/2015 3/31/2020Writebol, Larry Washington Infrastructure 180,813 8/25/2006 8/1/2009Wynia, Scott Ground Engineering 182,008 10/18/2018 10/31/2021Yahle, Andrew Vivid Engineering Group 189,143 8/22/2019 8/31/2022Yanavich, Robert Hollingsworth & Associates 180,182 6/2/2000 6/1/2003Yantis, Joseph Westest 181,430 1/23/2014 1/31/2017Yeager, Patrick CDOT R-4 (Loveland) 181,145 7/25/2019 7/31/2024Yeoman, Robert Kumar and Associates (CO Springs) 182,024 11/28/2018 11/30/2021Yesgat, Addis Ground Engineering 181,906 11/16/2017 11/30/2020Yonkers, Dale koe 180,192 7/14/2000 7/1/2003Yoshida, James Intertek-PSI 180,768 4/20/2006 4/1/2009Young, Dennis Bechtolt 180,894 1/14/2011 1/1/2016Young, Dustin Ground Engineering 180,757 3/24/2006 3/1/2009Young, Jerald Vine Laboratories 180,904 4/18/2013 4/1/2018Young, Kyle Martinez Associates 189,062 4/2/2019 4/30/2022Young, Ryan Martinez Associates 181,347 11/17/2016 11/30/2021Zagar, Travis Kumar and Associates 180,769 5/24/2018 5/31/2023Zarajesek, Dan CDOT (Reg.2-P) 180,118 3/14/2003 3/1/2006Zarzan, Jessy Vivid Engineering Group 181,513 6/13/2019 6/30/2024Zeise, John Yeh & Associates 180,256 3/2/2001 3/1/2004Zhang, Preston Yi Kiewit 189,135 8/7/2019 8/31/2022Zimmerman, Marc Cesare Inc. 181,639 9/24/2015 9/30/2018Zimmerman, Richard Cesare Inc. 189,217 2/27/2020 2/28/2023Zinth, Robin Ninyo & Moore 181,391 6/20/2013 6/30/2016Zirlin, Kevin Kleinfelder 180,517 5/22/2014 5/31/2019Zitz, Walter Geocal, Inc. 181,254 1/19/2012 1/1/2015Zoetewey, Ryan koe 180,155 5/22/2009 5/1/2014Zoller, Jeremy CTL Thompson Inc. (Colorado Springs) 180,861 2/16/2007 2/1/2010Zoller, Nick A.G. Wassenaar, Inc. 181,564 1/26/2018 1/31/2023Zullali, Abdullah CDOT R-5 (Alamosa) 181,934 2/22/2018 2/28/2021Zuniga, Anson Wheeler Dial Westest 189,063 4/2/2019 4/30/2022

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