| Siegel Long Public Affairs, LLC | AFT Colorado | Opposing | 2017-2018 |
| Aloria Governmental Affairs | AUDUBON ROCKIES | Monitoring | 2017-2018 |
| CHRISTIANSEN, MARGY M | AURORA WATER | Amending | 2017-2018 |
| Bentley, Tracee M | American Petroleum Institute | Amending | 2017-2018 |
| Bentley, Tracee M | American Petroleum Institute | Opposing | 2017-2018 |
| Capitol Focus, LLC | American Petroleum Institute | Monitoring | 2017-2018 |
| Capitol Focus, LLC | American Petroleum Institute | Amending | 2017-2018 |
| Fanning, Paul M | Board of Water Works of Pueblo, Colorado | Opposing | 2017-2018 |
| Fanning, Paul M | Board of Water Works of Pueblo, Colorado | Supporting | 2017-2018 |
| Treese, Chris | COLO RIVER WATER CONSERVATION DIST | Monitoring | 2017-2018 |
| Aloria Governmental Affairs | COLO TROUT UNLIMITED | Monitoring | 2017-2018 |
| Colorado Chamber of Commerce | COLORADO ASSOCIATION OF COMMERCE AND INDUSTRY | Amending | 2017-2018 |
| Politicalworks, LLC | COLORADO COMPETITIVE COUNCIL | Monitoring | 2017-2018 |
| Politicalworks, LLC | COLORADO COMPETITVE COUNCIL | Monitoring | 2017-2018 |
| Orf & Orf P.C. | COLORADO MINING ASSN | Opposing | 2017-2018 |
| Colorado Legislative Strategies | COLORADO OIL & GAS ASSOCIATION | Opposing | 2017-2018 |
| REES CONSULTING AND PUBLIC AFFAIRS | COLORADO READY MIX CONCRETE ASSOC | Monitoring | 2017-2018 |
| HODGES, DANIEL S. | COLORADO SPRINGS UTILITIES | Monitoring | 2017-2018 |
| REES CONSULTING AND PUBLIC AFFAIRS | COLORADO STONE SAND AND GRAVEL ASSOC. | Monitoring | 2017-2018 |
| Colorado Legislative Strategies | COUNTY OF WELD, COLORADO | Monitoring | 2017-2018 |
| Lawrence Jones Custer Grasmick LLP | Central Colorado Water Conservancy District | Monitoring | 2017-2018 |
| Colorado Advocates, Inc. | Colorado Advocates Inc. | Amending | 2017-2018 |
| Garza, Alexandra O | Colorado Advocates Inc. | Amending | 2017-2018 |
| Skewes Government Affairs, LLC | Colorado Association of Commerce & Industry | Amending | 2017-2018 |
| DeLange, Brandy | Colorado Counties Inc | Monitoring | 2017-2018 |
| Orf & Orf PC | Colorado Mining Association | Opposing | 2017-2018 |
| Angie Binder | Colorado Petroleum Association | Monitoring | 2017-2018 |
| Orf & Orf P.C. | Colorado Water Congress | Monitoring | 2017-2018 |
| Orf & Orf PC | Colorado Water Congress | Monitoring | 2017-2018 |
| Polo, Chane Marie | Colorado Water Congress | Monitoring | 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 |
| Colorado Advocates, Inc. | Corporate Advocates | Amending | 2017-2018 |
| PIPER, CHRISTOPHER N | DENVER WATER | Amending | 2017-2018 |
| Stauffer, Heather LaVon | Denver Water | Amending | 2017-2018 |
| Axiom Strategies Inc | Extraction Oil&Gas | Opposing | 2017-2018 |
| Axiom Strategies Inc dba Axiom Politics | Extraction Oil&Gas | Opposing | 2017-2018 |
| HB Strategies | Extraction Oil&Gas | Opposing | 2017-2018 |
| Allen, Jamee Lynn | FREEPORT-MCMORAN COPPER AND GOLD, INC. | Monitoring | 2017-2018 |
| Brosemer, Donna | Greeley Water and Sewer | Monitoring | 2017-2018 |
| JONES, P. ANDREW | Lawrence Jones Custer Grasmick LLP | Monitoring | 2017-2018 |
| Lawrence Jones Custer Grasmick LLP | Lost Creek Ground Water Management District | Monitoring | 2017-2018 |
| G Berry Corp | MESA COUNTY DEPT OF PUBLIC HEALTH | Monitoring | 2017-2018 |
| G BERRY CORP | MESA COUNTY PUBLIC HEALTH DEPT | Monitoring | 2017-2018 |
| ROMBERG, GREG | METRO WASTEWATER RECLAM DIST | Amending | 2017-2018 |
| Brownstein Hyatt Farber Schreck, LLP | Metro Wastewater Reclamation District | Supporting | 2017-2018 |
| Politicalworks, LLC | Noble Energy | Amending | 2017-2018 |
| Jarvis, Torie | Northwest Colorado Council of Gov'ts/QQ | Supporting | 2017-2018 |
| Colorado Legislative Strategies | PDC Energy | Opposing | 2017-2018 |
| Richard G Brown Enterprises, Inc. | PIKES PEAK REGIONAL WATER AUTHORITY | Monitoring | 2017-2018 |
| Siegel Long Public Affairs, LLC | Padres & Jovenes Unidos | Monitoring | 2017-2018 |
| Ratliff and Associates | Ratliff & Associates Consulting, Inc. | Monitoring | 2017-2018 |
| Sewald Hanfling Public Affairs | Republic Services, Inc. | Monitoring | 2017-2018 |
| Sewald Hanfling Public Affairs | Republic Services, Inc. | Opposing | 2017-2018 |
| Ratliff & Associates Consulting, Inc. | SOUTH METRO WATER SUPPLY AUTHORITY | Amending | 2017-2018 |
| Peak Government Affairs LTD. | Sierra Club Colorado | Supporting | 2017-2018 |
| Hayes, Joseph A | South Metro Water Supply Authority | Amending | 2017-2018 |
| VALDEZ, MICHAEL A | Special District Association of Colorado | Monitoring | 2017-2018 |
| Kessler, Zane | The Colorado River Water Conservation District | Monitoring | 2017-2018 |
| Robertson, AMY L | Tri-State Generation and Transmission | Monitoring | 2017-2018 |
| Fulcrum Group US | Waste Management | Amending | 2017-2018 |
| Peak Government Affairs LTD. | Western Colorado Congress | Supporting | 2017-2018 |
| Western Resource Advocates | Western Resource Advocates | Monitoring | 2017-2018 |