| Trademark Trim Inc | B | 1999 | Active |
| Tran General Contractors | B + C27 | 2018 | Active |
| Tran Jr Construction Corp | A, B + C10 | 2010 | Active |
| Treasure Valley LLC | B | 2011 | Active |
| Tree Builders Group | B | 2022 | Active |
| Trenchfree Inc | A + C10, C12, C36 +1 | 2012 | Active |
| Trevino Joe Inc | B + C9 | 1978 | Active |
| Tri-Con Builders Inc | B | 2022 | Active |
| Triarc Realty Investment LLC | B | 2024 | Active |
| Tribeca Design LLC | B | 2026 | Active |
| Trillo Construction | B | 2026 | Active |
| Trio Heating Air Plumbing & Electrical | B + C10, C20, C36 | 2019 | Active |
| Trio Roofers Inc | B + C39 | 2020 | Renew by Nov 30, 2026 |
| Tru Construction Inc | B | 2017 | Active |
| True Builders | B | 2023 | Active |
| True Color Group Inc | B + C10, C27, C45 | 2024 | Active |
| True Delta Builders Inc | B | 2025 | Active |
| True Good Energy Builds Inc | B + C10, C17, C20 +1 | 2026 | Active |
| True Life Custom Homes Inc | B | 2023 | Active |
| True North Home Improvement Inc | B | 2022 | Active |
| Trust Construction Company Inc | B + C10 | 2010 | Active |
| Tucker Construction Inc | B + C13 | 1984 | Active |
| Turnkey Restoration Inc | B | 2024 | Active |
| TV Tony Construction Inc | B | 1999 | Active |
| TVD Construction | B | 2025 | Active |
| Tyler Custom Homes Inc | B | 2023 | Active |
| U S C T Construction | B | 2016 | Renew by Nov 30, 2026 |
| Ucelo Homes Builders Inc | B | 2023 | Active |
| Under JM Construction Inc | B | 2018 | Active |
| Uniqhaus Design & Build Inc | B | 2026 | Active |
| Unique Interlocking Pavers | B + C27, D06 | 2021 | Active |
| Unique Residential Remodeling | B | 2023 | Active |
| United Mechanical | B + C4, C20, C36 +2 | 2003 | Active |
| United Quality Construction Inc | B + C27 | 2022 | Active |
| Unlimited Exteriors Inc | B | 2018 | Active |
| Unlimited Outdoor Kitchen | B | 2022 | Active |
| Upper - Living Construction Inc | B | 2023 | Active |
| Upswing Remodeling | B2 | 2025 | Active |
| Urban Builders & Remodeling Inc | B + C8 | 2023 | Active |
| Urban Nest Construction | B | 2025 | Active |
| Urban Pacific Builders Inc | B + C33 | 2018 | Active |
| Urban Pacific Construction Inc | B + C8 | 2005 | Active |
| USA Empire Remodels Inc | B | 2019 | Active |
| V N B General Construction Inc | B | 2021 | Active |
| V N General Construction Inc | B + C15 | 2023 | Active |
| V T Construction Inc | B | 2004 | Active |
| V-House Construction Service Inc | B | 2026 | Active |
| Valencia G Construction Inc | B | 2021 | Active |
| Valet Restoration Services Corporation | B | 2025 | Active |
| Valhalla Builders Inc | B + C17 | 1960 | Active |
| Valley Design & Construction Inc | B | 2015 | Active |
| Valuable Capital Investment Construction Inc | B | 2023 | Active |
| Vazquez Millan Construction Inc | A, B + C8 | 2018 | Active |
| Venegas Construction Inc | B | 2018 | Active |
| Viam Builders | B | 2020 | Active |
| Vicso Builders Corp | B | 2025 | Active |
| Vidales Remodeling & Construction Inc | B | 2025 | Active |
| Vidsan Builders | B | 2021 | Active |
| Vintage Builders Group Inc | B | 1982 | Active |
| Visible Innovations Group | B + D03 | 1991 | Active |
| VK General Construction | B | 2020 | Renew by Dec 31, 2026 |
| VMD Construction | B | 2024 | Renew by Nov 30, 2026 |
| W & Y Construction Inc | B | 2021 | Active |
| W G Fritz Construction Inc | B | 2007 | Active |
| Walters Paul-Builder Inc | B | 1986 | Renew by Dec 31, 2026 |
| Wattis Construction Co Inc | A + C8, C12, HAZ | 1958 | Renew by Dec 31, 2026 |
| Wattis Construction Co Inc And Paul L Wattis Jr - A Joint Venture | A + C8, C12, HAZ | 1970 | Active |
| Waves Remodeling California | B | 2020 | Active |
| Wayfound | A, B | 2021 | Active |
| We Remodel & Build Inc | B | 2019 | Active |
| Wen Construction Group Inc | B | 2026 | Active |
| Wen's Construction Inc | B | 2010 | Active |
| Wences Construction Inc | B + C27 | 2026 | Active |
| West Coast Cranes Inc | A | 2009 | Active |
| West Pacific Construction Inc | B | 2007 | Active |
| Western General Construction Inc | B | 2010 | Active |
| Westwood Design Inc | B | 1997 | Active |
| White Palace Construction Inc | A, B | 2024 | Active |
| Wild Boar Builders Inc | B | 1997 | Renew by Dec 31, 2026 |
| Willie & Bros Construction & Maintenance Inc | B | 2018 | Active |
| Willow Glen Building Co Inc | B | 2005 | Active |
| Wise Builders Remodeling Inc | B | 2015 | Active |
| Wjli Construction Inc | B | 2025 | Active |
| WMJ Construction Inc | B + C15 | 2024 | Active |
| Wolfe J Nord General Contracting Inc | B | 2007 | Active |
| Woodenbridge Construction Inc | B | 2013 | Active |
| Woodenbridge Inc | B | 2003 | Active |
| Workon Construction Inc | B | 2024 | Active |
| Worldwide Builders | B | 2021 | Active |
| WW Construction Inc | B | 2023 | Active |
| Xbuild Bay Construction | B | 2026 | Active |
| Xing Bay Construction Inc | B | 2015 | Active |
| Xinyu Construction | B | 2026 | Active |
| Xteria Construction | B | 2026 | Active |
| Y & K Inc | B | 2019 | Active |
| Yaconelli's Pacific Builders Inc | B | 1987 | Active |
| Yad Construction | B | 2023 | Active |
| Yancon Energy Services Inc | A, B + C10 | 2022 | Active |
| Yosh Enterprises | B + C10, C20, C36 | 2006 | Active |
| Ytu Builders Inc | B + C10 | 2016 | Active |