| Ascent Strategies, LLC | AMERICAN CHEMISTRY COUNCIL | Amending | 2018-2019 |
| DOME STRATEGIES | American Chemistry Council | Amending | 2018-2019 |
| HB Strategies | American Petroleum Institute | Amending | 2018-2019 |
| HB Strategies | American Petroleum Institute | Monitoring | 2018-2019 |
| IRWIN, LESLIE | BOULDER COUNTY | Monitoring | 2018-2019 |
| RUZZIN, MARK | BOULDER COUNTY | Monitoring | 2018-2019 |
| Laws, Summer | Boulder County | Monitoring | 2018-2019 |
| Twigg, George | Boulder County | Monitoring | 2018-2019 |
| Brownstein Hyatt Farber Schreck, LLP | CITY OF COLORADO SPRINGS | Monitoring | 2018-2019 |
| Treese, Chris | COLO RIVER WATER CONSERVATION DIST | Supporting | 2018-2019 |
| Frontline Public Affairs (Miles Consulting, Inc.) | COLORADO ASSOCIATION OF LOCAL PUBLIC HEALTH OFFICIALS | Supporting | 2018-2019 |
| Colorado Legislative Strategies | COLORADO OIL & GAS ASSOCIATION | Monitoring | 2018-2019 |
| G BERRY CORP | COLORADO RIVER WATER DISTRICT | Supporting | 2018-2019 |
| HODGES, DANIEL S. | COLORADO SPRINGS UTILITIES | Supporting | 2018-2019 |
| Kemper, Douglas | COLORADO WATER CONGRESS | Supporting | 2018-2019 |
| Orf & Orf PC | COLORADO WATER CONGRESS | Supporting | 2018-2019 |
| BRANDEBERRY MCKENNA PUBLIC AFFAIRS | City and County of Denver | Amending | 2018-2019 |
| BHFS | City of Colorado Springs | Monitoring | 2018-2019 |
| Dougherty, Dennis J | Colorado AFL-CIO | Supporting | 2018-2019 |
| Red Rocks Strategies, LLC | Colorado AFL-CIO | Supporting | 2018-2019 |
| Angie Binder | Colorado Petroleum Association | Monitoring | 2018-2019 |
| Colorado Professional Fire Fighters | Colorado Professional Fire Fighters | 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 |
| Orf & Orf PC | Colorado Water Congress | Amending | 2018-2019 |
| Polo, Chane Marie | Colorado Water Congress | Supporting | 2018-2019 |
| Polo, Chane Marie | Colorado Water Congress | Monitoring | 2018-2019 |
| PIPER, CHRISTOPHER N | DENVER WATER | Monitoring | 2018-2019 |
| Stauffer, Heather LaVon | Denver Water | Monitoring | 2018-2019 |
| Attwood Public Affairs | Douglas County | Monitoring | 2018-2019 |
| Sloan & Associates Public Affairs | EIS Solutions | Monitoring | 2018-2019 |
| 5280 Strategies | EL PASO COUNTY | Supporting | 2018-2019 |
| BHFS | Metro Wastewater Reclamation District | Supporting | 2018-2019 |
| Brownstein Hyatt Farber Schreck, LLP | Metro Wastewater Reclamation District | Supporting | 2018-2019 |
| Brownstein Hyatt Farber Schreck, LLP | Metro Wastewater Reclamation District | Monitoring | 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 |
| BRANDEBERRY MCKENNA PUBLIC AFFAIRS | Northern Water | Supporting | 2018-2019 |
| Furman Political Strategies | PPACG | Supporting | 2018-2019 |
| BALCEROVICH, STEVE | Parker water and sanitation district | Monitoring | 2018-2019 |
| Ratliff & Associates Consulting, Inc. | SOUTH METRO WATER SUPPLY AUTHORITY | Supporting | 2018-2019 |
| VALDEZ, MICHAEL A | Special District Association of Colorado | Monitoring | 2018-2019 |
| Kessler, Zane | The Colorado River Water Conservation District | Supporting | 2018-2019 |
| Cordero, Mizraim S. | United Airlines, Inc. | Amending | 2019-2020 |
| Western Resource Advocates | Western Resource Advocates | Monitoring | 2018-2019 |