| Twiddy & Strand Const LLC | CC-01 | 2021 | Active |
| Twigs & Spit LLC | CC-01 | 2013 | Active |
| Twin Tenon LLC | CC-01 | 2023 | Active |
| Two Blue Mules Dsgn Studio LLC | CC-01 | 2012 | Active |
| Two Crows Construction LLC | CC-01 | 2014 | Active |
| Two Dads & A Drill LLC | CC-01 | 2023 | Active |
| Type A Finishes LLC | CC-01 | 2018 | Renew by Dec 16, 2026 |
| Udo J Reich Inc | CC-01 | 1993 | Renew by Oct 29, 2026 |
| Udream Builders PLLC | CC-01 | 2026 | Active |
| Ultiforma Builders LLC | CC-01 | 2017 | Active |
| Ultimate Remodels LLC | CC-01 | 2026 | Active |
| Ultra Painting LLC | CC-01 | 2019 | Active |
| Under One Roof LLC | CC-01 | 2026 | Active |
| United System LLC | CC-01 | 2026 | Active |
| United Systems Mechanical LLC | CC-01 | 2004 | Active |
| Uplift Northwest | CC-01 | 2024 | Active |
| Upper Left Living LLC | CC-01 | 2020 | Renew by Dec 23, 2026 |
| Upstream Remodel LLC | CC-01 | 2025 | Active |
| Urban Build Northwest Inc | CC-01 | 2020 | Active |
| Uriarte Landscaping LLC | CC-01 | 2025 | Active |
| Ursula Interni LLC | CC-01 | 2025 | Active |
| Ursus Homes Inc | CC-01 | 2014 | Renew by Dec 1, 2026 |
| Utilities Service Co Inc | CC-01 | 2014 | Active |
| Utter Associates Inc | CC-01 | 2016 | Active |
| V S M Copper LLC | CC-01 | 2011 | Active |
| Val Design Studio LLC | CC-01 | 2021 | Active |
| Valencia Construction | CC-01 | 2018 | Active |
| Valencia Construction LLC | CC-01 | 2017 | Active |
| Valentine Homes LLC | CC-01 | 2011 | Active |
| Valiant Elevator LLC | CC-01 | 2026 | Active |
| Valladares Construction LLC | CC-01 | 2019 | Active |
| Valley Fire Control | CC-01 | 2026 | Active |
| Van Sanden Landscaping Inc | CC-01 | 2009 | Active |
| Van Zandt Design Build LLC | CC-01 | 2013 | Active |
| Vangogh Repair LLC | CC-01 | 2024 | Renew by Nov 22, 2026 |
| Vanjoy PNW LLC | CC-01 | 2025 | Active |
| Vans Landscape | CC-01 | 2025 | Active |
| Vanzelia LLC | CC-01 | 2019 | Active |
| Vasa Construction LLC | CC-01 | 2015 | Active |
| Vast Homes Construction LLC | CC-01 | 2023 | Active |
| Ve Services LLC | CC-01 | 2017 | Active |
| VECA ELECTRIC & Tech LLC | CC-01 | 2019 | Active |
| Vega Enterprises LLC | CC-01 | 2022 | Renew by Oct 29, 2026 |
| Vehicle Equipment Instln Inc | CC-01 | 2003 | Active |
| Velaz Services LLC | CC-01 | 2026 | Active |
| Vent-Tec LLC | CC-01 | 2023 | Active |
| Ventilation Power Cleaning Inc | CC-01 | 1976 | Active |
| Venture General Contrctng LLC | CC-01 | 2011 | Active |
| Venture Pacific Contrs LLC | CC-01 | 2018 | Active |
| Venture Renovations LLC | CC-01 | 2025 | Active |
| Verdant GC LLC | CC-01 | 2022 | Renew by Oct 30, 2026 |
| Verdant Homes Corporation | CC-01 | 2025 | Active |
| Verdanterra Gardens LLC | CC-01 | 2018 | Active |
| Verde Enterprises LLC | CC-01 | 2026 | Active |
| Versatile Drilling Contrs Inc | CC-01 | 1985 | Active |
| Vertex Contracting Group | CC-01 | 2025 | Active |
| Vertical Construction GRP LLC | CC-01 | 2009 | Active |
| Veterans Northwest Const LLC | CC-01 | 2009 | Active |
| Vevik Construction LLC | CC-01 | 2018 | Active |
| VH Roofing & Construction LLC | CC-01 | 2023 | Active |
| Viada Property Services LLC | CC-01 | 2025 | Active |
| Victor's Granite & Marble LLC | CC-01 | 2007 | Active |
| Vier Construction Company | CC-01 | 2025 | Active |
| Viking Craftsman LLC | CC-01 | 2020 | Active |
| Village Builders LLC | CC-01 | 2026 | Active |
| Village Design Build | CC-01 | 2025 | Active |
| Villanueva Construction LLC | CC-01 | 2014 | Renew by Nov 7, 2026 |
| Vinnie GNRL Const & Lndscp LLC | CC-01 | 2026 | Active |
| Vio Design Build LLC | CC-01 | 2010 | Active |
| Vireo Design Studio LLC | CC-01 | 2012 | Active |
| Vision Remodeling & Const Corp | CC-01 | 2016 | Active |
| Vital Handyman LLC | CC-01 | 2022 | Active |
| Vortex Pressure Washing | CC-01 | 2025 | Active |
| Vtran Development LLC | CC-01 | 2026 | Active |
| W Construction LLC | CC-01 | 2026 | Active |
| W G Clark CM Inc | CC-01 | 2018 | Active |
| W G Clark Construction Co | CC-01 | 1963 | Active |
| W L Hopewell Construction Inc | CC-01 | 2001 | Active |
| W Prodesign LLC | CC-01 | 2016 | Active |
| Wa Design & Remodeling Inc | CC-01 | 2022 | Active |
| Wa Kee Construction | CC-01 | 2025 | Active |
| Wa Masonry & Waterproofing LLC | CC-01 | 2026 | Active |
| Wade Contracting Inc | CC-01 | 2022 | Active |
| Wade GC LLC | CC-01 | 2026 | Active |
| Wagner Technical Wa LLC | CC-01 | 2015 | Active |
| Walden Tree Service LLC | CC-01 | 2025 | Active |
| Walsh Construction Co/Wash | CC-01 | 2001 | Active |
| Walt's Organic LLC | CC-01 | 2019 | Active |
| Wanderlust Handy Work LLC | CC-01 | 2015 | Active |
| Wandernest LLC | CC-01 | 2026 | Active |
| Wano Carpentry LLC | CC-01 | 2021 | Active |
| Waterfront Construction Inc | CC-01 | 2012 | Renew by Dec 23, 2026 |
| Wave | CC-01 | 2018 | Active |
| Wayfinder Construction LLC | CC-01 | 2026 | Active |
| Wayson Const & Msnry LLC | CC-01 | 2026 | Active |
| Waza Built | CC-01 | 2022 | Active |
| WDC Inc | CC-01 | 2007 | Renew by Nov 6, 2026 |
| WDM Restoration LLC | CC-01 | 2025 | Active |
| We Built Better LLC | CC-01 | 2020 | Renew by Dec 9, 2026 |
| We Built LLC | CC-01 | 2019 | Active |