| Orf & Orf PC | ASSOCIATED GOVERNMENTS OF NORTHWEST COLORADO (AGNC) | Monitoring | 2017-2018 |
| Bentley, Tracee M | American Petroleum Institute | Monitoring | 2017-2018 |
| Capitol Focus, LLC | American Petroleum Institute | Monitoring | 2017-2018 |
| Orf & Orf P.C. | Associated Governments of Northwest Colorado | Monitoring | 2017-2018 |
| IRWIN, LESLIE | BOULDER COUNTY | Opposing | 2017-2018 |
| RUZZIN, MARK | BOULDER COUNTY | Opposing | 2017-2018 |
| WAGNER MORGAN, HEIDI | Black Hills Corporation | Monitoring | 2017-2018 |
| Laws, Summer | Boulder County | Opposing | 2017-2018 |
| Politicalworks LLC | COLORADO COMPETITIVE COUNCIL | Monitoring | 2017-2018 |
| Politicalworks, LLC | COLORADO COMPETITVE COUNCIL | Monitoring | 2017-2018 |
| Orf & Orf P.C. | COLORADO MINING ASSN | Monitoring | 2017-2018 |
| Headwaters Strategies | City of Boulder | Opposing | 2017-2018 |
| Range PC | Colorado Cleantech Industries Association | Opposing | 2017-2018 |
| Votoupal Government Affairs LLC | Colorado Cleantech Industry Association | Opposing | 2017-2018 |
| Frontline Public Affairs (Miles Consulting, Inc.) | Colorado Communities for Climate Action | Opposing | 2017-2018 |
| Orf & Orf PC | Colorado Mining Association | Monitoring | 2017-2018 |
| Conley, Theresa Marie | Conservation Colorado | Opposing | 2017-2018 |
| Siegel Long Public Affairs, LLC | Conservation Colorado | Opposing | 2017-2018 |
| Siegel Public Affairs, LLC | Conservation Colorado | Opposing | 2017-2018 |
| Garner-Wells, Garrett | Environment Colorado | Opposing | 2017-2018 |
| Headwaters Strategies | Environmental Defense Fund | Opposing | 2017-2018 |
| Axiom Strategies Inc | Extraction Oil&Gas | Supporting | 2017-2018 |
| Axiom Strategies Inc dba Axiom Politics | Extraction Oil&Gas | Supporting | 2017-2018 |
| HB Strategies | Extraction Oil&Gas | Supporting | 2017-2018 |
| Allen, Jamee Lynn | FREEPORT-MCMORAN COPPER AND GOLD, INC. | Monitoring | 2017-2018 |
| InterMountain Corporate Affairs | Global Automakers Inc. | Monitoring | 2017-2018 |
| Miles Consulting Inc dba Frontline Public Affairs | MILES CONSULTING dba Frontline Public Affairs | Opposing | 2017-2018 |
| MERIDIAN PUBLIC AFFAIRS LLC | Miles Consulting dba Frontline Public Affairs | Opposing | 2017-2018 |
| ProtoStrategies | Miles Consulting, Inc dba Frontline Public Affairs | Opposing | 2017-2018 |
| Miles Consulting, Inc. dba Frontline Public Affairs | Miles Consulting, Inc. dba Frontline Public Affairs | Opposing | 2017-2018 |
| Siegel Long Public Affairs, LLC | NRDC Action Fund, Inc. | Opposing | 2017-2018 |
| Siegel Public Affairs, LLC | NRDC Action Fund, Inc. | Opposing | 2017-2018 |
| Siegel Long Public Affairs, LLC | Natural Resources Defense Council, Inc. | Opposing | 2017-2018 |
| Siegel Public Affairs, LLC | Natural Resources Defense Council, Inc. | Opposing | 2017-2018 |
| Politicalworks, LLC | Noble Energy | Monitoring | 2017-2018 |
| Colorado Legislative Strategies | PDC Energy | Monitoring | 2017-2018 |
| Robertson, AMY L | Tri-State Generation and Transmission | Monitoring | 2017-2018 |