| Bentley, Tracee M | American Petroleum Institute | Monitoring | 2015-2016 |
| Colorado Advocates, Inc. | BURLINGTON NORTHERN SANTA FE RAILWAY | Opposing | 2015-2016 |
| Colorado Chamber of Commerce | COLORADO ASSOCIATION OF COMMERCE AND INDUSTRY | Opposing | 2015-2016 |
| Politicalworks, LLC | COLORADO COMPETITIVE COUNCIL | Opposing | 2015-2016 |
| Politicalworks, LLC | COLORADO COMPETITVE COUNCIL | Opposing | 2015-2016 |
| BOYDSTON, BRENT | COLORADO FARM BUREAU | Opposing | 2015-2016 |
| Colorado Legislative Strategies | COLORADO FARM BUREAU | Opposing | 2015-2016 |
| 5280 Strategies | COLORADO PETROLEUM COUNCIL - A DIVISION OF API | Monitoring | 2015-2016 |
| Colorado Professional Fire Fighters | COLORADO PROFESSIONAL FIRE FIGHTERS | Supporting | 2015-2016 |
| Gilchrist, Samuel Tawney | Colorado AFL-CIO | Supporting | 2015-2016 |
| Ms. | Colorado AFL-CIO | Supporting | 2015-2016 |
| Colorado Advocates, Inc. | Colorado Advocates Inc. | Opposing | 2015-2016 |
| Garza, Alexandra O | Colorado Advocates Inc. | Opposing | 2015-2016 |
| Colorado Association of Commerce and Industry | Colorado Association of Commerce & Industry | Opposing | 2015-2016 |
| Ibach, Emily | Colorado Farm Bureau | Opposing | 2015-2016 |
| JLH Consulting & Public Affairs, LLC | Colorado Petroleum Council - A Division of API/5280 Strategies | Monitoring | 2015-2016 |
| MANDARICH, MARY ALICE | Colorado Petroleum Council - A division of API (thru 5280 Strategies) | Monitoring | 2015-2016 |
| Caldwell, Alan Elias | Colorado State Grange | Opposing | 2015-2016 |
| Wilmesher, James F | Colorado State Legislative Board | Supporting | 2015-2016 |
| Communications Workers of America State Council | Communications Workers of America | Supporting | 2015-2016 |
| Long, Rebecca | Conservation Colorado | Supporting | 2015-2016 |
| Siegel Long Public Affairs, LLC | Conservation Colorado | Supporting | 2015-2016 |
| Siegel Public Affairs, LLC | Conservation Colorado | Supporting | 2015-2016 |
| Capitol Solutions/Sandra Hagen Solin | Platte River Power Authority | Monitoring | 2015-2016 |
| InterMountain Corporate Affairs | UNION PACIFIC | Opposing | 2015-2016 |
| Thompson Cassidy, Sara Rae | Union Pacific Railroad | Opposing | 2015-2016 |
| SMART Union - Transportation Division | United Transportation Union | Supporting | 2015-2016 |
| SMART Union - Transportation Division | United Transportation Union | Amending | 2015-2016 |