| Siegel Public Affairs, LLC | 9to5 Colorado, The National Association of Working Women | Opposing | 2017-2018 |
| Orf & Orf PC | ASSOCIATED GOVERNMENTS OF NORTHWEST COLORADO (AGNC) | Monitoring | 2017-2018 |
| Bentley, Tracee M | American Petroleum Institute | Supporting | 2017-2018 |
| Capitol Focus, LLC | American Petroleum Institute | Supporting | 2017-2018 |
| Boulder County | BOULDER COUNTY | Opposing | 2017-2018 |
| IRWIN, LESLIE | BOULDER COUNTY | Opposing | 2017-2018 |
| RUZZIN, MARK | BOULDER COUNTY | Opposing | 2017-2018 |
| Laws, Summer | Boulder County | Opposing | 2017-2018 |
| Valdez Public Affairs, LLC | CITY OF THORNTON | Monitoring | 2017-2018 |
| G BERRY CORP | COLORADO COALITION OF APPRAISERS | Monitoring | 2017-2018 |
| Politicalworks, LLC | COLORADO COMPETITIVE COUNCIL | Supporting | 2017-2018 |
| Politicalworks, LLC | COLORADO COMPETITVE COUNCIL | Supporting | 2017-2018 |
| Colorado Legislative Strategies | COLORADO OIL & GAS ASSOCIATION | Supporting | 2017-2018 |
| SEADER, SANDRA L. | City of Longmont | Opposing | 2017-2018 |
| Wilson, Geoffrey Tyler | City of Northglenn | Opposing | 2017-2018 |
| OnTheBallot Consulting | Colorado Alliance of Mineral and Royalty Owners | Supporting | 2017-2018 |
| OnTheBallot Consulting | Colorado Association of Conservation Districts | Supporting | 2017-2018 |
| DeLange, Brandy | Colorado Counties Inc | Opposing | 2017-2018 |
| Angie Binder | Colorado Petroleum Association | Supporting | 2017-2018 |
| 76 Group | Common Sense Policy Roundtable | Monitoring | 2017-2018 |
| Conley, Theresa Marie | Conservation Colorado | Opposing | 2017-2018 |
| Mayott-Guerrero, Sophia M | Conservation Colorado | Opposing | 2017-2018 |
| Siegel Long Public Affairs, LLC | Conservation Colorado | Opposing | 2017-2018 |
| Siegel Public Affairs, LLC | Conservation Colorado | Opposing | 2017-2018 |
| Colorado Advocates, Inc. | Corporate Advocates | Monitoring | 2017-2018 |
| Peak Government Affairs LTD. | Environment Colorado | Opposing | 2017-2018 |
| Loflin, Sara | League Of Oil and Gas Impacted Coloradans | Opposing | 2017-2018 |
| Siegel Public Affairs, LLC | League of Oil and Gas Impacted Coloradans | Opposing | 2017-2018 |
| GAGLIARDI, A. F. (TONY) | NATIONAL FEDERATION OF INDEPENDENT BUSINESS | Supporting | 2017-2018 |
| Capitol Solutions/Sandra Hagen Solin | NORTHERN COLO LEGIS ALLIANCE | Supporting | 2017-2018 |
| Politicalworks, LLC | Noble Energy | Supporting | 2017-2018 |
| Colorado Legislative Strategies | PDC Energy | Supporting | 2017-2018 |
| Siegel Public Affairs, LLC | Siegel Public Affairs, LLC | Monitoring | 2017-2018 |
| Peak Government Affairs LTD. | Sierra Club Colorado | Opposing | 2017-2018 |
| Valdez Public Affairs LLC. | Valdez Public Affairs LLC | Monitoring | 2017-2018 |
| Peak Government Affairs LTD. | Western Colorado Congress | Opposing | 2017-2018 |
| Sloan & Associates Public Affairs | Willsource Enterprises | Monitoring | 2017-2018 |