| Treese, Chris | COLO RIVER WATER CONSERVATION DIST | Supporting | 2018-2019 |
| Colorado Legislative Strategies | COLORADO FARM BUREAU | Supporting | 2018-2019 |
| Kemper, Douglas | COLORADO WATER CONGRESS | Monitoring | 2018-2019 |
| Sloan & Associates Public Affairs | Colorado Agricultural Aviation Association | Monitoring | 2018-2019 |
| Political Advocacy, Inc | Colorado Bar Association | Amending | 2018-2019 |
| Schupbach, Jeremy | Colorado Bar Association | Amending | 2018-2019 |
| Capitol Focus, LLC | Colorado Catllemen's Association | Monitoring | 2018-2019 |
| Capitol Focus, LLC | Colorado Cattlemen's Association | Monitoring | 2018-2019 |
| Ibach, Emily | Colorado Farm Bureau | Supporting | 2018-2019 |
| Sloan & Associates Public Affairs | Colorado Land, Water and Food Alliance | Amending | 2018-2019 |
| Votoupal Government Affairs LLC | Colorado River Water Conservation District | Supporting | 2018-2019 |
| G Berry Corp | Colorado River Water District | Supporting | 2018-2019 |
| Orf & Orf P.C. | Colorado Water Congress | Monitoring | 2018-2019 |
| Orf & Orf PC | Colorado Water Congress | Monitoring | 2018-2019 |
| Polo, Chane Marie | Colorado Water Congress | Monitoring | 2018-2019 |
| PIPER, CHRISTOPHER N | DENVER WATER | Monitoring | 2018-2019 |
| BRANDEBERRY MCKENNA PUBLIC AFFAIRS | Denver Metro Chamber of Commerce | Supporting | 2018-2019 |
| Stauffer, Heather LaVon | Denver Water | Monitoring | 2018-2019 |
| Jarvis, Torie | Northwest Colorado Council of Gov'ts/QQ | Monitoring | 2018-2019 |
| Richard G Brown Enterprises, Inc. | PIKES PEAK REGIONAL WATER AUTHORITY | Monitoring | 2018-2019 |
| Capitol Focus, LLC | POLITICAL ACTION TRUST AND COMMITTEE | Monitoring | 2018-2019 |
| Politicalworks, LLC | THE NATURE CONSERVANCY | Monitoring | 2018-2019 |
| Kessler, Zane | The Colorado River Water Conservation District | Supporting | 2018-2019 |
| Western Resource Advocates | Western Resource Advocates | Monitoring | 2018-2019 |