| Hiltz, Allison | AARP | Monitoring | 2021-2022 |
| 5280 Strategies | AURORA ECONOMIC DEVELOPMENT COUNCIL | Monitoring | 2021-2022 |
| Sewald Hanfling Public Affairs | Adams County Regional Economic Partnership | Monitoring | 2021-2022 |
| Torres, Nicholas | American Lung Association | Supporting | 2021-2022 |
| Markuson, Chris | BlueGreen Alliance | Supporting | 2021-2022 |
| Copeland, Cindy | Boulder County | Supporting | 2021-2022 |
| Jerry R Braden Inc. | CASTA CO ASSN TRANSIT AGENCIES | Supporting | 2021-2022 |
| HB Strategies | COLORADFO SKI COUNTRY USA | Supporting | 2021-2022 |
| Bergman, Eric H | COLORADO COUNTIES, INC. | Supporting | 2021-2022 |
| Castillo, Carl | City of Boulder | Supporting | 2021-2022 |
| Holwell, Jeff | City of Lone Tree | Monitoring | 2021-2022 |
| Colorado Public Interest Research Group (CoPIRG) | CoPIRG and affiliates | Supporting | 2021-2022 |
| Political Advocacy, Inc | Colorado Communities for Climate Action | Supporting | 2021-2022 |
| Colorado Cross-Disability Coalition | Colorado Cross-Disability Coalition | Monitoring | 2021-2022 |
| Aponte Public Affairs, Inc. | Colorado Independent Automobile Dealer Association (CIADA) | Monitoring | 2021-2022 |
| Angie Binder | Colorado Petroleum Association | Monitoring | 2021-2022 |
| HB Strategies | Colorado SKI Country USA | Supporting | 2021-2022 |
| Mendez, Barkis and Associates | Colorado Sierra Club | Supporting | 2021-2022 |
| Axiom Strategies Inc dba Axiom Politics | Colorado Ski Country | Supporting | 2021-2022 |
| HB Strategies | Colorado Ski Country | Supporting | 2021-2022 |
| Martin, Xander | Colorado Ski Country USA | Supporting | 2021-2022 |
| J. Andrew Green & Assoc., Inc. | Colorado Springs Chamber of Commerce and EDC | Monitoring | 2021-2022 |
| Belgard, Katie A | Conservation Colorado | Supporting | 2021-2022 |
| Conservation Colorado | Conservation Colorado | Supporting | 2021-2022 |
| Nordini, Kelly | Conservation Colorado | Supporting | 2021-2022 |
| Siegel Long Public Affairs, LLC | Conservation Colorado | Supporting | 2021-2022 |
| Siegel Public Affairs, LLC | Conservation Colorado | Supporting | 2021-2022 |
| Aponte Public Affairs, Inc. | Counties & Commissioners Acting Together (CCAT) | Supporting | 2021-2022 |
| Aponte Public Affairs dba Aponte & Busam Public Affairs | Counties and Commissioners Acting Together (CCAT) | Supporting | 2021-2022 |
| Axiom Strategies Inc dba Axiom Politics | County Sheriffs of Colorado | Monitoring | 2021-2022 |
| HB Strategies | County Sheriffs of Colorado | Monitoring | 2021-2022 |
| MAURO, RICHARD J Jr. | DENVER REG COUNCIL OF GOVTS | Supporting | 2021-2022 |
| Bowditch & Cassell Public Affairs | Denver Regional Council of Governments | Supporting | 2021-2022 |
| Bowditch & Cassell Public Affairs | Denver Regional Council of Governments DRCOG | Supporting | 2021-2022 |
| McKinley, Molly | Denver Streets Partnership | Supporting | 2021-2022 |
| InterMountain Corporate Affairs | E-470 PUBLIC HIGHWAY AUTHORITY | Monitoring | 2021-2022 |
| Curry, Rebecca Lynn | Earthjustice | Supporting | 2021-2022 |
| The Capstone Group, LLC | FOSTER GRAHAM MILSTEIN CALISHER LLP/Colorado Contractors Association | Monitoring | 2021-2022 |
| Sloan & Associates Public Affairs | Freedom to Drive Coalition | Monitoring | 2021-2022 |
| ASPCA | Healthy Air and Water Colorado Action | Supporting | 2021-2022 |
| Allied Agenda, LLC | League of Women Voters of Colorado | Supporting | 2021-2022 |
| Capitol Solutions/Sandra Hagen Solin | NORTHERN COLO LEGIS ALLIANCE | Amending | 2021-2022 |
| Siegel Long Public Affairs, LLC | NRDC Action Fund, Inc. | Supporting | 2021-2022 |
| Siegel Public Affairs, LLC | NRDC Action Fund, Inc. | Supporting | 2021-2022 |
| Gilchrist, Sam | Natural Resources Defense Council | Supporting | 2021-2022 |
| Miller, Alana | Natural Resources Defense Council | Supporting | 2021-2022 |
| Aponte Public Affairs, Inc. | Northwest Mayors and Commissioners Coalition (NW MCC) | Supporting | 2021-2022 |
| Cherry Point Strategies | Regional Air Quality Council | Supporting | 2021-2022 |
| BRANDEBERRY MCKENNA PUBLIC AFFAIRS | Regional Transportation District | Supporting | 2021-2022 |
| Madsen, Travis | Southwest Energy Efficiency Project | Supporting | 2021-2022 |
| Siegel Long Public Affairs, LLC | Southwest Energy Efficiency Project | Supporting | 2021-2022 |
| Siegel Public Affairs, LLC | Southwest Energy Efficiency Project | Supporting | 2021-2022 |
| Colorado Advocates, Inc. | Suncor Energy | Monitoring | 2021-2022 |
| Virtual Operations, LLC | The Boulder Chamber | Supporting | 2021-2022 |
| Amaha, Naomi | The Denver Foundation | Supporting | 2021-2022 |
| Politicalworks | The Nature Conservancy | Supporting | 2021-2022 |
| Capitol Solutions/Sandra Hagen Solin | Weld County | Amending | 2021-2022 |