| Siegel Long Public Affairs, LLC | AMERICA VOTES | Supporting | 2018-2019 |
| ROMBERG, GREG | ARAPAHOE COUNTY | Monitoring | 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 |
| Orf & Orf P.C. | Associated Governments of Northwest Colorado | Opposing | 2018-2019 |
| IRWIN, LESLIE | BOULDER COUNTY | Supporting | 2018-2019 |
| RUZZIN, MARK | BOULDER COUNTY | Supporting | 2018-2019 |
| Laws, Summer | Boulder County | Supporting | 2018-2019 |
| Twigg, George | Boulder County | Supporting | 2018-2019 |
| 5280 Strategies | COLORADO CLERKS AND RECORDERS ASSOCIATION | Monitoring | 2018-2019 |
| Colorado Legislative Strategies | COUNTY OF WELD, COLORADO | Monitoring | 2018-2019 |
| 5280 Strategies | COUNTY SHERIFFS OF COLORADO | Monitoring | 2018-2019 |
| Bowditch & Cassell Public Affairs | Colorado Assessors' Association | Monitoring | 2018-2019 |
| Anderson, Pamela | Colorado County Clerks Association | Monitoring | 2018-2019 |
| BATEY, MICHELLE C | Colorado County Clerks Association | Monitoring | 2018-2019 |
| JLH Consulting & Public Affairs, LLC | Colorado County Treasurers' Association | Monitoring | 2018-2019 |
| Potyondy, Patrick Ryan | Common Cause | Opposing | 2018-2019 |
| Attwood Public Affairs | Douglas County | Monitoring | 2018-2019 |
| BALCEROVICH, STEVE | Douglas County Colorado/Attwood Associates | Monitoring | 2018-2019 |
| Axiom Strategies Inc dba Axiom Politics | Jefferson County | Monitoring | 2018-2019 |
| HB Strategies | Jefferson County | Monitoring | 2018-2019 |
| Allied Agenda, LLC | League of Women Voters of Colorado | Supporting | 2018-2019 |
| JLH Consulting & Public Affairs, LLC | Pueblo County | Monitoring | 2018-2019 |
| Sewald Hanfling Public Affairs | Republic Services, Inc. | Monitoring | 2018-2019 |
| Fulcrum Group US LLC | Union Pacific | Monitoring | 2018-2019 |
| Fulcrum Group US | Waste Management | Monitoring | 2018-2019 |