| Precision Plumbing | PC | 2008 | Active |
| Prestige Mechanical Contractors, Inc. | PC | 2008 | Active |
| PureFlow Home Services LLC. | PC | 2026 | Active |
| Purple Mountain Plumbing LLC | PC | 2022 | Active |
| R & D Plumbing Co | PC | 2008 | Active |
| R & R Ditching, Inc. | PC | 2008 | Active |
| Rael Home Services LLC | PC | 2025 | Active |
| Rawson Plumbing, LLC | PC | 2010 | Active |
| Reardon Plumbing , LLC | PC | 2012 | Active |
| Red Leg Plumbing, LLC | PC | 2022 | Active |
| Red Peak Plumbing llc | PC | 2026 | Active |
| Relax Plumbing LLC | PC | 2024 | Active |
| Replumb Specialties Inc. | PC | 2010 | Active |
| Revolutionary Kindness Plumbing, LLC | PC | 2022 | Active |
| Rocky Mountain Piping and Plumbing Inc | PC | 2014 | Active |
| Rocky Mountain Plumbing LLC | PC | 2018 | Active |
| Rocky Mountain Plumbing Services LLC | PC | 2023 | Active |
| Rocky Mountain Radiant Heating & Plumbing Inc | PC | 2012 | Active |
| Roosters Rooter LLC | PC | 2022 | Active |
| RPM-Romero's Plumbing & Mechanical LLC | PC | 2026 | Active |
| Rutledge Plumbing and Heating | PC | 2012 | Active |
| S & S Mechanical Contractors Inc | PC | 2008 | Active |
| S.W.A.T Plumbing LLC | PC | 2021 | Active |
| S5 Plumbing & Mechanical LLC | PC | 2026 | Active |
| Saint Joseph Plumbing LLC | PC | 2015 | Active |
| Schnibble Services Inc | PC | 2008 | Active |
| School District Eleven | PC | 2015 | Active |
| Scott Sypniewski LLC | PC | 2021 | Active |
| Service First Plumbing Heating & Drains Llc | PC | 2015 | Active |
| Sheehan Mechanical llc | PC | 2025 | Active |
| Sherman Plumbing | PC | 2011 | Active |
| Shorty's Plumbing | PC | 2019 | Active |
| SoCo Plumbing | PC | 2017 | Active |
| Sparrow Enterprises, Inc | PC | 2016 | Active |
| Springs Custom Plumbing Inc | PC | 2008 | Active |
| Summit Peak Plumbing LLC | PC | 2026 | Active |
| Sure Footed Plumbing | PC | 2026 | Active |
| Talmich Plumbing & Heating | PC | 2008 | Active |
| Team Plumbing Inc. | PC | 2008 | Active |
| TG Plumbing | PC | 2012 | Active |
| Thayer Mechanical Services LLC. | PC | 2023 | Active |
| The Furnace Guy Heating & Cooling | PC | 2022 | Active |
| The K.C. Ament Co. Inc. | PC | 2010 | Active |
| The Regents of the University of Colorado | PC | 2008 | Active |
| The Rooter Guy's LLC | PC | 2025 | Active |
| The Vine Plumbing Company | PC | 2015 | Active |
| Thornton Plumbing & Repair Inc. | PC | 2010 | Active |
| Three Amigos Plumbing LLC | PC | 2023 | Active |
| Tiger Plumbing, LLC | PC | 2022 | Active |
| Timberwolf Plumbing Inc. | PC | 2010 | Active |
| Tombstone Sewer N Drain | PC | 2019 | Active |
| Top Tier Plumbing and Heating | PC | 2024 | Active |
| Tri-Star Mechanical | PC | 2008 | Active |
| Trident Plumbing and Hydronics | PC | 2019 | Active |
| True North Plumbing and Utilities LLC | PC | 2026 | Active |
| TSL Plumbing and Mechanical, LLC | PC | 2022 | Active |
| Tutt Service Enterprise | PC | 2025 | Active |
| Uintah Plumbing & Drain, LLC | PC | 2019 | Active |
| Uni Mech Company LLC | PC | 2008 | Active |
| Universal Water Systems Colorado, LLC | PC | 2022 | Active |
| Ute Plumbing & Heating, Inc. | PC | 2008 | Active |
| Value Plumbing and Water Treatment Company, Inc. | PC | 2008 | Active |
| Venegas Pipe & Drain Co llc | PC | 2025 | Active |
| Wade Plumbing Solutions LLC | PC | 2023 | Active |
| Westside Plumbing Ltd | PC | 2022 | Active |
| White Rhino Electric | PC | 2020 | Active |
| Wild Water Plumbing | PC | 2024 | Active |
| Windsor Plumbing LLC | PC | 2013 | Active |
| WireNut Home Services | PC | 2019 | Active |
| Wolverine Construction, LLC | PC | 2012 | Active |
| Wood Rd Construction LLC | PC | 2020 | Active |
| XP Plumbing LLC | PC | 2026 | Active |
| Xpert Plumbing LLC | PC | 2016 | Active |
| Yellow Dog Plumbing and Heating LLC | PC | 2018 | Active |
| Zoom Drain Colorado Springs | PC | 2026 | Active |