| Siegel Long Public Affairs, LLC | AMERICA VOTES | Supporting | 2018-2019 |
| ROMBERG, GREG | ARAPAHOE COUNTY | Amending | 2018-2019 |
| Byrne-Martin, Kelly Ann | America Votes | Supporting | 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 |
| Orf & Orf PC | Associated Governments of Northwest Colorado | Opposing | 2018-2019 |
| IRWIN, LESLIE | BOULDER COUNTY | Monitoring | 2018-2019 |
| RUZZIN, MARK | BOULDER COUNTY | Monitoring | 2018-2019 |
| Laws, Summer | Boulder County | Monitoring | 2018-2019 |
| Twigg, George | Boulder County | Monitoring | 2018-2019 |
| Jerry R Braden Inc. | CAL- CO ASSN OF LIBARIES | Monitoring | 2018-2019 |
| Brownstein Hyatt Farber Schreck, LLP | CITY OF COLORADO SPRINGS | Monitoring | 2018-2019 |
| HB Strategies | CITY OF COMMERCE CITY | Monitoring | 2018-2019 |
| 5280 Strategies | COLORADO CLERKS AND RECORDERS ASSOCIATION | Amending | 2018-2019 |
| JLH Consulting & Public Affairs, LLC | COLORADO COMMUNITY COLLEGE SYSTEM | Amending | 2018-2019 |
| Bergman, Eric H | COLORADO COUNTIES, INC. | Opposing | 2018-2019 |
| 5280 Strategies | COUNTY SHERIFFS OF COLORADO | Monitoring | 2018-2019 |
| Brandeberry McKenna Public Affairs | City and County of Denver | Opposing | 2018-2019 |
| BRANDEBERRY MCKENNA PUBLIC AFFAIRS | City and County of Denver | Monitoring | 2018-2019 |
| BHFS | City of Colorado Springs | Monitoring | 2018-2019 |
| Axiom Strategies Inc dba Axiom Politics | City of Commerce City | Monitoring | 2018-2019 |
| Dougherty, Dennis J | Colorado AFL-CIO | Supporting | 2018-2019 |
| Lindgren, Robert Rolf | Colorado AFL-CIO | Supporting | 2018-2019 |
| Red Rocks Strategies, LLC | Colorado AFL-CIO | Supporting | 2018-2019 |
| Anderson, Pamela | Colorado County Clerks Association | Amending | 2018-2019 |
| Anderson, Pamela | Colorado County Clerks Association | Opposing | 2018-2019 |
| BATEY, MICHELLE C | Colorado County Clerks Association | Amending | 2018-2019 |
| Colorado Cross-Disability Coalition | Colorado Cross-Disability Coalition | Supporting | 2018-2019 |
| Tierney, Martha Moore | Colorado Democratic Party | Supporting | 2018-2019 |
| Tanner, Brian | Colorado Education Association | Supporting | 2018-2019 |
| Attwood Public Affairs | Douglas County | Monitoring | 2018-2019 |
| BALCEROVICH, STEVE | Douglas County Colorado/Attwood Associates | Opposing | 2018-2019 |
| Allied Agenda, LLC | League of Women Voters of Colorado | Monitoring | 2018-2019 |
| Politicalworks LLC | Let Colorado Vote | Monitoring | 2018-2019 |
| Siegel Public Affairs, LLC | New Era | Supporting | 2018-2019 |
| Marion, Emma | New Era Colorado | Supporting | 2018-2019 |
| Olena, Charlotte | New Era Colorado | Supporting | 2018-2019 |
| Royal, Morgan | New Era Colorado | Supporting | 2018-2019 |
| Siegel Long Public Affairs, LLC | New Era Colorado | Supporting | 2018-2019 |
| Stephan, Elizabeth | New Era Colorado | Supporting | 2018-2019 |
| BALCEROVICH, STEVE | Parker water and sanitation district | Opposing | 2018-2019 |
| VALDEZ, MICHAEL A | Special District Association of Colorado | Monitoring | 2018-2019 |
| The Policy Matters LLC | UNIVERSITY OF COLORADO SYSTEM | Amending | 2018-2019 |
| West Slope Strategies LLC | Unite Colorado | Amending | 2018-2019 |
| Mendez, Barkis and Associates | United for a New Economy | Supporting | 2018-2019 |
| Politicalworks, LLC | WESTERN COLORADO UNIVERSITY | Monitoring | 2018-2019 |
| Gonzalez, Amanda | common cause | Supporting | 2018-2019 |