| Aloria Governmental Affairs | AUDUBON ROCKIES | Supporting | 2018-2019 |
| Treese, Chris | COLO RIVER WATER CONSERVATION DIST | Supporting | 2018-2019 |
| Aloria Governmental Affairs | COLO TROUT UNLIMITED | Supporting | 2018-2019 |
| Stealey II, Inc. | COLORADO CORN GROWERS ASSOCIATION | Opposing | 2018-2019 |
| Colorado Legislative Strategies | COLORADO FARM BUREAU | Monitoring | 2018-2019 |
| HOLDREN, STEVEN D | COLORADO LIVESTOCK ASSOCIATION | Monitoring | 2018-2019 |
| REES CONSULTING AND PUBLIC AFFAIRS | COLORADO READY MIX CONCRETE ASSOC | Monitoring | 2018-2019 |
| G BERRY CORP | COLORADO RIVER WATER DISTRICT | Supporting | 2018-2019 |
| REES CONSULTING AND PUBLIC AFFAIRS | COLORADO STONE SAND AND GRAVEL ASSOC. | Monitoring | 2018-2019 |
| Ascent Strategies, LLC | COLORADO SUGARBEET GROWERS ASSOCIATION | Monitoring | 2018-2019 |
| Kemper, Douglas | COLORADO WATER CONGRESS | Monitoring | 2018-2019 |
| JONES, P. ANDREW | Central Colorado Water Conservancy District | Opposing | 2018-2019 |
| Lawrence Jones Custer Grasmick LLP | Central Colorado Water Conservancy District | Opposing | 2018-2019 |
| SEADER, SANDRA L. | City of Longmont | Supporting | 2018-2019 |
| Valdez Public Affairs, LLC | City of Thornton | Monitoring | 2018-2019 |
| Peetz, Elizabeth A | Colorado Association of Realtors | Opposing | 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 | Monitoring | 2018-2019 |
| Votoupal Government Affairs LLC | Colorado River Water Conservation District | Amending | 2018-2019 |
| Polo, Chane Marie | Colorado Water Congress | Monitoring | 2018-2019 |
| Bowditch & Cassell Public Affairs | Colorado Water Trust | 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 |
| PIPER, CHRISTOPHER N | DENVER WATER | Amending | 2018-2019 |
| Stauffer, Heather LaVon | Denver Water | Amending | 2018-2019 |
| Attwood Public Affairs | Douglas County | Monitoring | 2018-2019 |
| Allen, Jamee Lynn | FREEPORT-MCMORAN COPPER AND GOLD, INC. | Monitoring | 2018-2019 |
| Brosemer, Donna | Greeley Water and Sewer | Supporting | 2018-2019 |
| 5280 Strategies | LEGACY WATER ASSOCIATION | Amending | 2018-2019 |
| MANDARICH, MARY ALICE | Legacy Water | Amending | 2018-2019 |
| JONES, P. ANDREW | North Weld County Water District | Opposing | 2018-2019 |
| Lawrence Jones Custer Grasmick LLP | North Weld County Water District | Opposing | 2018-2019 |
| BRANDEBERRY MCKENNA PUBLIC AFFAIRS | Northern Water | Supporting | 2018-2019 |
| Jarvis, Torie | Northwest Colorado Council of Gov'ts/QQ | Supporting | 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 |
| BALCEROVICH, STEVE | Parker water and sanitation district | Monitoring | 2018-2019 |
| Stealey II, Inc. | RIO GRANDE WATER CONSERVATION DIST | Opposing | 2018-2019 |
| Ratliff & Associates Consulting, Inc. | SOUTH METRO WATER SUPPLY AUTHORITY | Monitoring | 2018-2019 |
| Michael Best Strategies | South Metro Water Supply Authority | 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 |
| West Slope Strategies LLC | Ute Water Conservancy District | Monitoring | 2018-2019 |
| Valdez Public Affairs LLC. | Valdez Public Affairs LLC | Monitoring | 2018-2019 |
| Western Resource Advocates | Western Resource Advocates | Supporting | 2018-2019 |