| Siegel Long Public Affairs, LLC | AMERICA VOTES | Monitoring | 2018-2019 |
| Siegel Public Affairs, LLC | America Votes | Monitoring | 2018-2019 |
| Tierney, Martha Moore | America Votes | Monitoring | 2018-2019 |
| Capitol Focus, LLC | American Petroleum Institute | Monitoring | 2018-2019 |
| HB Strategies | American Petroleum Institute | Monitoring | 2018-2019 |
| Young Public Affairs LLC | Anthem, Inc. and its Affiliates d/b/a Anthem Blue Cross and Blue Shield | Monitoring | 2018-2019 |
| Recht Kornfeld, P.C. | Citizens for Integrity | Monitoring | 2018-2019 |
| Axiom Strategies Inc dba Axiom Politics | City of Commerce City | Amending | 2018-2019 |
| HB Strategies | City of Commerce City | Amending | 2018-2019 |
| Dougherty, Dennis J | Colorado AFL-CIO | Amending | 2018-2019 |
| Red Rocks Strategies, LLC | Colorado AFL-CIO | Amending | 2018-2019 |
| Anderson, Pamela | Colorado County Clerks Association | Monitoring | 2018-2019 |
| BATEY, MICHELLE C | Colorado County Clerks Association | Monitoring | 2018-2019 |
| Colorado Cross-Disability Coalition | Colorado Cross-Disability Coalition | Monitoring | 2018-2019 |
| Tierney, Martha Moore | Colorado Democratic Party | Supporting | 2018-2019 |
| Tanner, Brian | Colorado Education Association | Monitoring | 2018-2019 |
| Potyondy, Patrick Ryan | Common Cause | Supporting | 2018-2019 |
| Brandeberry McKenna Public Affairs | Denver Metro Chamber of Commerce | Opposing | 2018-2019 |
| MADSEN & ASSOCIATES PC | INDEPENDENCE INSTITUTE | Opposing | 2018-2019 |
| Allied Agenda, LLC | League of Women Voters of Colorado | Monitoring | 2018-2019 |
| Roderick, George | Let America Vote | Supporting | 2018-2019 |
| Stealey II, Inc. | People United for Privacy | Amending | 2018-2019 |
| Trimpa Group | People United for Privacy | Opposing | 2018-2019 |