| Bentley, Tracee M | American Petroleum Institute | Supporting | 2017-2018 |
| Capitol Focus, LLC | American Petroleum Institute | Supporting | 2017-2018 |
| Fanning, Paul M | Board of Water Works of Pueblo, Colorado | Opposing | 2017-2018 |
| Colorado Chamber of Commerce | COLORADO ASSOCIATION OF COMMERCE AND INDUSTRY | Supporting | 2017-2018 |
| Orf & Orf P.C. | COLORADO MINING ASSN | Monitoring | 2017-2018 |
| Colorado Legislative Strategies | COLORADO OIL & GAS ASSOCIATION | Supporting | 2017-2018 |
| REES CONSULTING AND PUBLIC AFFAIRS | COLORADO READY MIX CONCRETE ASSOC | Monitoring | 2017-2018 |
| HODGES, DANIEL S. | COLORADO SPRINGS UTILITIES | Monitoring | 2017-2018 |
| HODGES, DANIEL S. | COLORADO SPRINGS UTILITIES | Supporting | 2017-2018 |
| REES CONSULTING AND PUBLIC AFFAIRS | COLORADO STONE SAND AND GRAVEL ASSOC. | Monitoring | 2017-2018 |
| Kemper, Douglas | COLORADO WATER CONGRESS | Supporting | 2017-2018 |
| Garza, Alexandra O | Colorado Advocates Inc. | Monitoring | 2017-2018 |
| Skewes Government Affairs, LLC | Colorado Association of Commerce & Industry | Supporting | 2017-2018 |
| DeLange, Brandy | Colorado Counties Inc | Monitoring | 2017-2018 |
| Orf & Orf PC | Colorado Mining Association | Monitoring | 2017-2018 |
| Angie Binder | Colorado Petroleum Association | Monitoring | 2017-2018 |
| Orf & Orf P.C. | Colorado Water Congress | Supporting | 2017-2018 |
| Orf & Orf PC | Colorado Water Congress | Supporting | 2017-2018 |
| Polo, Chane Marie | Colorado Water Congress | Supporting | 2017-2018 |
| Polo, Chane Marie | Colorado Water Congress | Opposing | 2017-2018 |
| Conley, Theresa Marie | Conservation Colorado | Monitoring | 2017-2018 |
| Green, Kristin Ann | Conservation Colorado | Monitoring | 2017-2018 |
| Siegel Long Public Affairs, LLC | Conservation Colorado | Monitoring | 2017-2018 |
| Siegel Public Affairs, LLC | Conservation Colorado | Monitoring | 2017-2018 |
| PIPER, CHRISTOPHER N | DENVER WATER | Supporting | 2017-2018 |
| Stauffer, Heather LaVon | Denver Water | Supporting | 2017-2018 |
| Allen, Jamee Lynn | FREEPORT-MCMORAN COPPER AND GOLD, INC. | Monitoring | 2017-2018 |
| Brownstein Hyatt Farber Schreck, LLP | Metro Wastewater Reclamation District | Amending | 2017-2018 |
| Ratliff & Associates Consulting, Inc. | Michael Best Strategies | Supporting | 2017-2018 |
| Jarvis, Torie | Northwest Colorado Council of Gov'ts/QQ | Amending | 2017-2018 |
| Colorado Legislative Strategies | PDC Energy | Supporting | 2017-2018 |
| Richard G Brown Enterprises, Inc. | PIKES PEAK REGIONAL WATER AUTHORITY | Monitoring | 2017-2018 |
| BALCEROVICH, STEVE | Parker water and sanitation district | Monitoring | 2017-2018 |
| Sewald Hanfling Public Affairs | Republic Services | Monitoring | 2017-2018 |
| Peak Government Affairs LTD. | Sierra Club Colorado | Monitoring | 2017-2018 |
| Hayes, Joseph A | South Metro Water Supply Authority | Supporting | 2017-2018 |
| Robertson, AMY L | Tri-State Generation and Transmission | Monitoring | 2017-2018 |
| Fulcrum Group US LLC | Waste Management | Supporting | 2017-2018 |
| Peak Government Affairs LTD. | Western Colorado Congress | Monitoring | 2017-2018 |