| Siegel Long Public Affairs, LLC | AFT Colorado | Supporting | 2016-2017 |
| Siegel Public Affairs, LLC | AFT Colorado | Supporting | 2016-2017 |
| Siegel Long Public Affairs, LLC | America Votes | Supporting | 2016-2017 |
| Siegel Public Affairs, LLC | America Votes | Supporting | 2016-2017 |
| Tierney, Martha Moore | America Votes | Supporting | 2016-2017 |
| 5280 Strategies | COLORADO CLERKS AND RECORDERS ASSOCIATION | Amending | 2016-2017 |
| Politicalworks, LLC | COLORADO COMPETITIVE COUNCIL | Amending | 2016-2017 |
| Politicalworks, LLC | COLORADO COMPETITVE COUNCIL | Amending | 2016-2017 |
| Kirchhof Group Inc. | COLORADO CONCERN | Amending | 2016-2017 |
| Bergman, Eric H | COLORADO COUNTIES, INC. | Supporting | 2016-2017 |
| NUNEZ, ELENA M | COMMON CAUSE | Supporting | 2016-2017 |
| Colorado Legislative Strategies | COUNTY OF WELD, COLORADO | Monitoring | 2016-2017 |
| Tierney, Martha Moore | Citizens for Integrity | Supporting | 2016-2017 |
| BRANDEBERRY MCKENNA PUBLIC AFFAIRS | City and County of Denver | Opposing | 2016-2017 |
| Fenzel, Keara Shea | Colorado AFL-CIO | Supporting | 2016-2017 |
| Gilchrist, Samuel Tawney | Colorado AFL-CIO | Supporting | 2016-2017 |
| Ms. | Colorado AFL-CIO | Supporting | 2016-2017 |
| Siegel Long Public Affairs, LLC | Colorado Common Cause | Supporting | 2016-2017 |
| Siegel Public Affairs, LLC | Colorado Common Cause | Supporting | 2016-2017 |
| Anderson, Pamela | Colorado County Clerks Association | Amending | 2016-2017 |
| BATEY, MICHELLE C | Colorado County Clerks Association | Amending | 2016-2017 |
| Tierney, Martha Moore | Colorado Democratic Party | Supporting | 2016-2017 |
| Siegel Public Affairs, LLC | Conservation Colorado | Supporting | 2016-2017 |
| Politicalworks, LLC | Davita, Inc. | Amending | 2016-2017 |
| BRANDEBERRY MCKENNA PUBLIC AFFAIRS | Denver Metro Chamber of Commerce | Opposing | 2016-2017 |
| Allied Agenda, LLC | League of Women Voters of Colorado | Monitoring | 2016-2017 |
| 76 Group | Let Colorado Vote | Amending | 2016-2017 |
| EIS Solutions, Inc. | Let Colorado Vote | Amending | 2016-2017 |
| Siegel Long Public Affairs, LLC | NARAL Pro-Choice Colorado | Supporting | 2016-2017 |
| Siegel Public Affairs, LLC | NARAL Pro-Choice Colorado | Supporting | 2016-2017 |
| Stephan, Elizabeth | New Era Colorado | Supporting | 2016-2017 |
| MARTENS, LAUREN W. | SERVICE EMPLOYEES INTERNATIONAL UNION | Supporting | 2016-2017 |