| Orf & Orf PC | ASSOCIATED GOVERNMENTS OF NORTHWEST COLORADO (AGNC) | Monitoring | 2018-2019 |
| Orf & Orf PC | ASSOCIATED GOVERNMENTS OF NORTHWEST COLORADO (AGNC) | Opposing | 2018-2019 |
| Aloria Governmental Affairs | AUDUBON ROCKIES | Supporting | 2018-2019 |
| Bentley, Tracee M | American Petroleum Institute | Monitoring | 2018-2019 |
| Capitol Focus, LLC | American Petroleum Institute | Monitoring | 2018-2019 |
| HB Strategies | American Petroleum Institute | Monitoring | 2018-2019 |
| J. Andrew Green & Assoc., Inc. | Animas La Plata Operation Maintenance & Replacement Association | Monitoring | 2018-2019 |
| Orf & Orf P.C. | Associated Governments of Northwest Colorado | Opposing | 2018-2019 |
| Treese, Chris | COLO RIVER WATER CONSERVATION DIST | Supporting | 2018-2019 |
| Aloria Governmental Affairs | COLO TROUT UNLIMITED | Supporting | 2018-2019 |
| Frontline Public Affairs (Miles Consulting, Inc.) | COLORADO ASSOCIATION OF LOCAL PUBLIC HEALTH OFFICIALS | Supporting | 2018-2019 |
| Colorado Municipal League | COLORADO MUNICIPAL LEAGUE | Supporting | 2018-2019 |
| Colorado Legislative Strategies | COLORADO OIL & GAS ASSOCIATION | Monitoring | 2018-2019 |
| REES CONSULTING AND PUBLIC AFFAIRS | COLORADO READY MIX CONCRETE ASSOC | Monitoring | 2018-2019 |
| REES CONSULTING AND PUBLIC AFFAIRS | COLORADO STONE SAND AND GRAVEL ASSOC. | Monitoring | 2018-2019 |
| Kemper, Douglas | COLORADO WATER CONGRESS | Supporting | 2018-2019 |
| Orf & Orf PC | COLORADO WATER CONGRESS | Supporting | 2018-2019 |
| Wilson, Geoffrey Tyler | City of Northglenn | Supporting | 2018-2019 |
| Deborah A. Wagner, LLC | City of Trinidad | Monitoring | 2018-2019 |
| Attwood Public Affairs | City of Westminster | Monitoring | 2018-2019 |
| Siegel Long Public Affairs, LLC | City of Westminster | Monitoring | 2018-2019 |
| Siegel Public Affairs, LLC | City of Westminster | Monitoring | 2018-2019 |
| Colorado Chamber of Commerce | Colorado Chamber of Commerce | Amending | 2018-2019 |
| Colorado Chamber of Commerce | Colorado Chamber of Commerce | Opposing | 2018-2019 |
| Skewes Government Affairs, LLC | Colorado Chamber of Commerce | Amending | 2018-2019 |
| Skewes Government Affairs, LLC | Colorado Chamber of Commerce | Opposing | 2018-2019 |
| Dempsey, Howard Stanley Jr. | Colorado Mining Association | Amending | 2018-2019 |
| Orf & Orf P.C. | Colorado Mining Association | Amending | 2018-2019 |
| Orf & Orf PC | Colorado Mining Association | Amending | 2018-2019 |
| Orf & Orf PC | Colorado Mining Association | Monitoring | 2018-2019 |
| DeLange, Brandy | Colorado Municipal League | Supporting | 2018-2019 |
| Votoupal Government Affairs LLC | Colorado River Water Conservation District | Supporting | 2018-2019 |
| Mendez, Barkis and Associates | Colorado Sierra Club | Supporting | 2018-2019 |
| Orf & Orf P.C. | Colorado Water Congress | Supporting | 2018-2019 |
| Polo, Chane Marie | Colorado Water Congress | Monitoring | 2018-2019 |
| Belgard, Katie A | Conservation Colorado | Supporting | 2018-2019 |
| Conservation Colorado | 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 | Monitoring | 2018-2019 |
| Stauffer, Heather LaVon | Denver Water | Supporting | 2018-2019 |
| Frontline Public Affairs (Miles Consulting, Inc.) | Earthworks | Supporting | 2018-2019 |
| Allen, Jamee Lynn | FREEPORT-MCMORAN COPPER AND GOLD, INC. | Amending | 2018-2019 |
| 5280 Strategies | FREEPORT-McMoRAN COOPER & GOLD | Amending | 2018-2019 |
| Brown, Debra Suzanne | Good Business Colorado | Supporting | 2018-2019 |
| Allied Agenda, LLC | League of Women Voters of Colorado | Supporting | 2018-2019 |
| MERIDIAN PUBLIC AFFAIRS LLC | Miles Consulting dba Frontline Public Affairs | Supporting | 2018-2019 |
| ProtoStrategies | Miles Consulting, Inc dba Frontline Public Affairs | Supporting | 2018-2019 |
| Miles Consulting, Inc. dba Frontline Public Affairs | Miles Consulting, Inc. dba Frontline Public Affairs | Supporting | 2018-2019 |
| Capitol Success Group | Newmont | Amending | 2018-2019 |
| Jarvis, Torie | Northwest Colorado Council of Gov'ts/QQ | Supporting | 2018-2019 |
| Colorado Legislative Strategies | PDC Energy | Monitoring | 2018-2019 |
| G BERRY CORP | PEABODY | Amending | 2018-2019 |
| G BERRY CORP | PEABODY | Monitoring | 2018-2019 |
| G Berry Corp | Peabody Energy | Amending | 2018-2019 |
| Weist Capitol Group, Inc. | Rocky Mountain Surety Association | Supporting | 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 |
| Robertson, AMY L | Tri-State Generation and Transmission | Monitoring | 2018-2019 |
| West Slope Strategies LLC | Ute Water Conservancy District | Supporting | 2018-2019 |
| Western Resource Advocates | Western Resource Advocates | Supporting | 2018-2019 |
| J. Andrew Green & Assoc., Inc. | Widefield Water and Sanitation District | Monitoring | 2018-2019 |
| Colorado Advocates, Inc. | XTO Energy | Amending | 2018-2019 |