| Aloria Governmental Affairs | AUDUBON ROCKIES | Supporting | 2018-2019 |
| J. Andrew Green & Assoc., Inc. | Animas La Plata Operation Maintenance & Replacement Association | Monitoring | 2018-2019 |
| WILLIAMS, DAN | COLO CATTLEMAN'S ASSN | Supporting | 2018-2019 |
| Treese, Chris | COLO RIVER WATER CONSERVATION DIST | Supporting | 2018-2019 |
| Aloria Governmental Affairs | COLO TROUT UNLIMITED | Supporting | 2018-2019 |
| Colorado Legislative Strategies | COLORADO FARM BUREAU | Monitoring | 2018-2019 |
| HOLDREN, STEVEN D | COLORADO LIVESTOCK ASSOCIATION | Monitoring | 2018-2019 |
| ABBOUD, GERALD P | COLORADO OHV COALITION | Supporting | 2018-2019 |
| Kemper, Douglas | COLORADO WATER CONGRESS | Monitoring | 2018-2019 |
| Orf & Orf PC | COLORADO WATER CONGRESS | Supporting | 2018-2019 |
| West Slope Strategies LLC | Coloradans for Responsible Wildlife Management | Supporting | 2018-2019 |
| Capitol Focus, LLC | Colorado Catllemen's Association | Supporting | 2018-2019 |
| Capitol Focus, LLC | Colorado Cattlemen's Association | Supporting | 2018-2019 |
| Ibach, Emily | Colorado Farm Bureau | Monitoring | 2018-2019 |
| Young Public Affairs LLC | Colorado Federation of Animal Welfare Agencies | Monitoring | 2018-2019 |
| Votoupal Government Affairs LLC | Colorado River Water Conservation District | Supporting | 2018-2019 |
| Orf & Orf P.C. | Colorado Water Congress | Supporting | 2018-2019 |
| Polo, Chane Marie | Colorado Water Congress | Supporting | 2018-2019 |
| Capitol Focus, LLC | Colorado Wool Growers Association | Supporting | 2018-2019 |
| Belgard, Katie A | Conservation Colorado | Supporting | 2018-2019 |
| Siegel Long Public Affairs, LLC | Conservation Colorado | Supporting | 2018-2019 |
| Siegel Public Affairs, LLC | Conservation Colorado | Supporting | 2018-2019 |
| Stauffer, Heather LaVon | Denver Water | Monitoring | 2018-2019 |
| Jarvis, Torie | Northwest Colorado Council of Gov'ts/QQ | Monitoring | 2018-2019 |
| Rhodes, Taylor D. | Rocky Mountain Gun Owners | Opposing | 2018-2019 |
| Politicalworks, LLC | THE NATURE CONSERVANCY | Monitoring | 2018-2019 |
| Kessler, Zane | The Colorado River Water Conservation District | Supporting | 2018-2019 |
| J. Andrew Green & Assoc., Inc. | The Water Rights Association of the South Platte | Monitoring | 2018-2019 |
| Western Resource Advocates | Western Resource Advocates | Monitoring | 2018-2019 |
| J. Andrew Green & Assoc., Inc. | Widefield Water and Sanitation District | Monitoring | 2018-2019 |
| Simpson, Robert Ray | Williams, Dan | Supporting | 2018-2019 |