| Siegel Long Public Affairs, LLC | AMERICA VOTES | Supporting | 2018-2019 |
| Orf & Orf PC | ASSOCIATED GOVERNMENTS OF NORTHWEST COLORADO (AGNC) | Opposing | 2018-2019 |
| Siegel Public Affairs, LLC | America Votes | Supporting | 2018-2019 |
| Tierney, Martha Moore | America Votes | Supporting | 2018-2019 |
| Mendez, Barkis and Associates | American Civil Liberties Union of Colorado | Supporting | 2018-2019 |
| Orf & Orf P.C. | Associated Governments of Northwest Colorado | Opposing | 2018-2019 |
| Stealey II, Inc. | COLORADO CORN GROWERS ASSOCIATION | Opposing | 2018-2019 |
| Colorado Legislative Strategies | COLORADO FARM BUREAU | Opposing | 2018-2019 |
| HOLDREN, STEVEN D | COLORADO LIVESTOCK ASSOCIATION | Monitoring | 2018-2019 |
| Cherry Point Strategies | Cherry Point Strategies | Monitoring | 2018-2019 |
| BRANDEBERRY MCKENNA PUBLIC AFFAIRS | City and County of Denver | Monitoring | 2018-2019 |
| Sloan & Associates Public Affairs | Colorado Agricultural Aviation Association | Opposing | 2018-2019 |
| Square State Strategy Group | Colorado Christian University | Opposing | 2018-2019 |
| Anderson, Pamela | Colorado County Clerks Association | Monitoring | 2018-2019 |
| BATEY, MICHELLE C | Colorado County Clerks Association | Monitoring | 2018-2019 |
| Tierney, Martha Moore | Colorado Democratic Party | Supporting | 2018-2019 |
| Colorado Family Action | Colorado Family Action | Opposing | 2018-2019 |
| Ibach, Emily | Colorado Farm Bureau | Opposing | 2018-2019 |
| Sloan & Associates Public Affairs | Colorado Land, Water and Food Alliance | Opposing | 2018-2019 |
| Siegel Long Public Affairs, LLC | Colorado Organization for Latina Opportunity and Reproductive Rights (COLOR) | Supporting | 2018-2019 |
| Siegel Public Affairs, LLC | Colorado Organization for Latina Opportunity and Reproductive Rights (COLOR) | Supporting | 2018-2019 |
| Colorado Rising State Action | Colorado Rising Action | Opposing | 2018-2019 |
| Caldwell, Alan Elias | Colorado State Grange | Opposing | 2018-2019 |
| Potyondy, Patrick Ryan | Common Cause | Supporting | 2018-2019 |
| Brandeberry McKenna Public Affairs | Denver Metro Chamber of Commerce | Opposing | 2018-2019 |
| Attwood Public Affairs | Douglas County | Monitoring | 2018-2019 |
| BALCEROVICH, STEVE | Douglas County Colorado/Attwood Associates | Monitoring | 2018-2019 |
| Sloan & Associates Public Affairs | EIS Solutions | Monitoring | 2018-2019 |
| Allied Agenda, LLC | League of Women Voters of Colorado | Supporting | 2018-2019 |
| Capitol Solutions/Sandra Hagen Solin | NORTHERN COLO LEGIS ALLIANCE | Opposing | 2018-2019 |
| Bridge Consulting, a Colorado Public Benefit Corporation | National Popular Vote | Supporting | 2019-2020 |
| Recht Kornfeld, P.C. | National Popular Vote | Supporting | 2018-2019 |
| Trimpa Group | National Popular Vote | Supporting | 2018-2019 |
| Cherry Point Strategies | United Veterans Coalition | Monitoring | 2018-2019 |
| Peak Government Affairs LTD. | Western Colorado Congress | Monitoring | 2018-2019 |
| Gonzalez, Amanda | common cause | Supporting | 2018-2019 |