| Orf & Orf PC | ASSOCIATED GOVERNMENTS OF NORTHWEST COLORADO (AGNC) | Opposing | 2019-2020 |
| Schultz Public Affairs, LLC | Adams County | Supporting | 2019-2020 |
| Olds, Elizabeth | American Fuel and Petrochemical Manufacturers | Opposing | 2019-2020 |
| Capitol Focus, LLC | American Petroleum Institute | Opposing | 2019-2020 |
| Granger, Lynn | American Petroleum Institute | Opposing | 2019-2020 |
| HB Strategies | American Petroleum Institute | Opposing | 2020-2021 |
| Orf & Orf P.C. | Associated Governments of Northwest Colorado | Opposing | 2019-2020 |
| Orf & Orf P.C. | Associated Governments of Northwest Colorado | Monitoring | 2019-2020 |
| Orf & Orf PC | Associated Governments of Northwest Colorado | Monitoring | 2019-2020 |
| Rosendahl, Christina | Black Hills Corp | Monitoring | 2019-2020 |
| Wagner Morgan Strategies, LLC | Black Hills Corporation | Monitoring | 2019-2020 |
| Markuson, Chris | BlueGreen Alliance | Monitoring | 2019-2020 |
| HB Strategies | CITY OF COMMERCE CITY | Monitoring | 2019-2020 |
| 5280 Strategies | COLORADO ADVOCATES/SUNCOR ENERGY | Opposing | 2019-2020 |
| Nexus Policy Group, Inc. | COLORADO COMPETITIVE COUNCIL | Opposing | 2019-2020 |
| Politicalworks, LLC | COLORADO COMPETITIVE COUNCIL | Opposing | 2019-2020 |
| Politicalworks, LLC | COLORADO COMPETITVE COUNCIL | Opposing | 2019-2020 |
| Colorado Legislative Strategies | COLORADO FARM BUREAU | Monitoring | 2019-2020 |
| Colorado Municipal League | COLORADO MUNICIPAL LEAGUE | Monitoring | 2019-2020 |
| REES CONSULTING AND PUBLIC AFFAIRS | COLORADO READY MIX CONCRETE ASSOC | Monitoring | 2019-2020 |
| HierAltitude Consulting | COLORADO RURAL ELECTRIC ASSOCIATION | Monitoring | 2019-2020 |
| HierAltitude Consulting | COLORADO RURAL ELECTRIC ASSOCIATION | Opposing | 2019-2020 |
| HODGES, DANIEL S. | COLORADO SPRINGS UTILITIES | Opposing | 2019-2020 |
| REES CONSULTING AND PUBLIC AFFAIRS | COLORADO STONE SAND AND GRAVEL ASSOC. | Monitoring | 2019-2020 |
| Lane, Anne Sander | City and County of Broomfield | Supporting | 2019-2020 |
| Capitol Capital Partners LLC | City of Aurora | Monitoring | 2019-2020 |
| REES CONSULTING AND PUBLIC AFFAIRS | City of Aurora | Monitoring | 2019-2020 |
| Axiom Strategies Inc dba Axiom Politics | City of Commerce City | Monitoring | 2019-2020 |
| Colorado Public Interest Research Group (CoPIRG) | CoPIRG and affiliates | Supporting | 2019-2020 |
| McFadyen, Liane F | Colorado /SunCor | Opposing | 2019-2020 |
| Colorado Chamber of Commerce | Colorado Chamber of Commerce | Opposing | 2019-2020 |
| Skewes Government Affairs, LLC | Colorado Chamber of Commerce | Opposing | 2019-2020 |
| Schultz Public Affairs, LLC | Colorado Communities for Climate Action: CC4CA | Supporting | 2019-2020 |
| Ibach, Emily | Colorado Farm Bureau | Monitoring | 2019-2020 |
| Orf & Orf P.C. | Colorado Mining Association | Monitoring | 2019-2020 |
| Orf & Orf P.C. | Colorado Mining Association | Opposing | 2019-2020 |
| Orf & Orf PC | Colorado Mining Association | Monitoring | 2019-2020 |
| Orf & Orf PC | Colorado Mining Association | Opposing | 2019-2020 |
| DeLange, Brandy | Colorado Municipal League | Monitoring | 2019-2020 |
| Colorado Legislative Strategies | Colorado Oil & Gas Association | Opposing | 2019-2020 |
| Siegel Long Public Affairs, LLC | Colorado People's Alliance | Supporting | 2019-2020 |
| Siegel Public Affairs, LLC | Colorado People's Alliance | Supporting | 2019-2020 |
| Siegel Public Affairs | Colorado Peoples Alliance | Supporting | 2019-2020 |
| Angie Binder | Colorado Petroleum Association | Opposing | 2019-2020 |
| Brandeberry McKenna Public Affairs | Colorado Rural Electric Association | Opposing | 2019-2020 |
| Brandeberry McKenna Public Affairs | Colorado Rural Electric Association | Monitoring | 2019-2020 |
| Mendez, Barkis and Associates | Colorado Sierra Club | Supporting | 2019-2020 |
| Polo, Chane Marie | Colorado Water Congress | Monitoring | 2019-2020 |
| Belgard, Katie A | Conservation Colorado | Supporting | 2019-2020 |
| Mayott-Guerrero, Sophia M | Conservation Colorado | Supporting | 2019-2020 |
| Nordini, Kelly | Conservation Colorado | Supporting | 2019-2020 |
| Siegel Long Public Affairs, LLC | Conservation Colorado | Supporting | 2019-2020 |
| Siegel Public Affairs, LLC | Conservation Colorado | Supporting | 2019-2020 |
| The Capstone Group, LLC | DOUGLAS COUNTY BUSINESS ALLIANCE | Opposing | 2019-2020 |
| BRANDEBERRY MCKENNA PUBLIC AFFAIRS | Denver Metro Chamber of Commerce | Opposing | 2019-2020 |
| OnTheBallot Consulting | EDP Renewables North America | Monitoring | 2019-2020 |
| Gold Leaf Strategies, LLC | EIS Solutions, Inc./Phillips 66 | Monitoring | 2019-2020 |
| The Kenney Group | EVRAZ Rocky Mountain Steel | Monitoring | 2019-2020 |
| Curry, Rebecca Lynn | Earthjustice | Supporting | 2019-2020 |
| Darby, Marta Renee | Earthjustice | Supporting | 2020-2021 |
| Axiom Strategies Inc dba Axiom Politics | Extraction Oil & Gas | Monitoring | 2019-2020 |
| HB Strategies | Extraction Oil & Gas | Monitoring | 2019-2020 |
| Axiom Strategies Inc dba Axiom Politics | Extraction Oil&Gas | Monitoring | 2019-2020 |
| HB Strategies | Extraction Oil&Gas | Monitoring | 2019-2020 |
| The Capstone Group, LLC | FOSTER GRAHAM MILSTEIN CALISHER,LLP/Colorado Contractors Association | Opposing | 2019-2020 |
| Allen, Jamee Lynn | FREEPORT-MCMORAN COPPER AND GOLD, INC. | Monitoring | 2019-2020 |
| Recht Kornfeld PC | GCC of America | Opposing | 2019-2020 |
| Recht Kornfeld, P.C. | GCC of America | Opposing | 2019-2020 |
| Moldovan, Karen | Good Business Colorado | Supporting | 2019-2020 |
| Bannon, Ellynne M | Healthy Air and Water Colorado | Supporting | 2019-2020 |
| Terwey, Jaclyn C | Intermountain Rural Electric Association | Opposing | 2019-2020 |
| The Capstone Group, LLC | Intermountain Rural Electric Association | Opposing | 2019-2020 |
| OnTheBallot Consulting | Interwest Energy Alliance | Monitoring | 2019-2020 |
| Colorado Legislative Strategies | Lafarge North America, Inc., Holcim (US) Inc., Aggregate Industries Management, Inc. | Monitoring | 2019-2020 |
| Clark, Jacqueline K | LafargeHolcim NA | Monitoring | 2019-2020 |
| Allied Agenda, LLC | League of Women Voters of Colorado | Supporting | 2019-2020 |
| OATIS, KATHLEEN ANN | Metro North Chamber of Commerce | Opposing | 2019-2020 |
| BHFS | Metro Wastewater Reclamation District | Monitoring | 2019-2020 |
| Brownstein Hyatt Farber Schreck, LLP | Metro Wastewater Reclamation District | Monitoring | 2019-2020 |
| BALCEROVICH, STEVE | Metro north chamber of commerce | Opposing | 2019-2020 |
| GAGLIARDI, A. F. (TONY) | NATIONAL FEDERATION OF INDEPENDENT BUSINESS | Opposing | 2019-2020 |
| Gilchrist, Sam | Natural Resources Defense Council | Supporting | 2019-2020 |
| Gonzalez, Ariana | Natural Resources Defense Council Inc. and its Affiliates | Supporting | 2019-2020 |
| Capitol Success Group | Occidental Oil and Gas | Monitoring | 2020-2021 |
| 76 Group | Phillips 66 | Monitoring | 2019-2020 |
| Ratliff & Associates Consulting, Inc. | SOUTH METRO WATER SUPPLY AUTHORITY | Monitoring | 2019-2020 |
| Recht Kornfeld PC | SUNCOR ENERGY | Opposing | 2019-2020 |
| Political Advocacy, Inc | Schultz Public Affairs | Supporting | 2019-2020 |
| BHFS | Suncor Energy | Opposing | 2019-2020 |
| Brownstein Hyatt Farber Schreck, LLP | Suncor Energy | Opposing | 2019-2020 |
| Colorado Advocates, Inc. | Suncor Energy | Opposing | 2019-2020 |
| Colorado Advocates, Inc. | Suncor Energy | Amending | 2019-2020 |
| Valdez Public Affairs, LLC | Suncor Energy | Opposing | 2019-2020 |
| HODGES, DANIEL S. | THE COLORADO ASSOCIATION OF MUNICIPAL UTILITIES | Opposing | 2019-2020 |
| Nexus Policy Group | TRI-STATE GENERATION AND TRANSMISSION ASSN | Opposing | 2019-2020 |
| Robertson, AMY L | Tri-State Generation and Transmission | Opposing | 2019-2020 |
| Robertson, AMY L | Tri-State Generation and Transmission | Monitoring | 2019-2020 |
| REES CONSULTING AND PUBLIC AFFAIRS | UNITED POWER INC | Monitoring | 2019-2020 |
| Peak Government Affairs LTD. | Western Colorado Congress | Supporting | 2019-2020 |
| Najera, Maria | Western Resource Advocates | Supporting | 2019-2020 |
| 5280 Strategies | XCEL ENERGY | Monitoring | 2019-2020 |