| T & M Wldng Spcty & Const LLC | CC-01 | 2013 | Active |
| T-Squared Framing LLC | CC-01 | 2014 | Active |
| Ta Contractors LLC | CC-01 | 2026 | Active |
| Tall Wall Framing LLC | CC-01 | 2017 | Active |
| Tam Professional Lndscpg LLC | CC-01 | 2023 | Active |
| Tamarack Remodel & Design LLC | CC-01 | 2026 | Active |
| Tarbus Construction LLC | CC-01 | 2025 | Active |
| Teamcraft LLC | CC-01 | 2024 | Renew by Dec 12, 2026 |
| Tech Construction LLC | CC-01 | 2021 | Active |
| Tekton United LLC | CC-01 | 2016 | Active |
| Teoheating & Air Comfort LLC | CC-01 | 2022 | Active |
| Terra Firma Hardscapes LLC | CC-01 | 2007 | Active |
| Terraforge LLC | CC-01 | 2025 | Active |
| The Carpenters Son | CC-01 | 2025 | Active |
| The CRR Solution's LLC | CC-01 | 2024 | Active |
| The Future Of Development LLC | CC-01 | 2023 | Active |
| The Home Floors Inc | CC-01 | 2008 | Active |
| The Hungry Painter LLC | CC-01 | 2021 | Active |
| The Master Carpenters LLC | CC-01 | 2022 | Active |
| The Mossbusters LLC | CC-01 | 2017 | Active |
| The North Sound Handyman LLC | CC-01 | 2026 | Active |
| Thor's Painting & Const LLC | CC-01 | 2021 | Active |
| Three Flags General Rmdlng LLC | CC-01 | 2019 | Active |
| Three Quarters RMD LLC | CC-01 | 2024 | Active |
| Tidi Construction Co LLC | CC-01 | 2024 | Renew by Dec 16, 2026 |
| Tierra Bella PVRS & Const LLC | CC-01 | 2023 | Active |
| Tight Lines Dryw & PNTG LLC | CC-01 | 2016 | Active |
| Tim Remodeling Company LLC | CC-01 | 2023 | Active |
| Timber Tigers Northwest LLC | CC-01 | 2015 | Active |
| Timeless Restoration LLC | CC-01 | 2021 | Active |
| Tin's Building Service LLC | CC-01 | 2023 | Active |
| Tino's Carpet LLC | CC-01 | 2023 | Active |
| Tj's Construction Services LLC | CC-01 | 2018 | Active |
| TM Millwork Corp | CC-01 | 2020 | Active |
| TMV Remodeling | CC-01 | 2017 | Active |
| TNT Construction & Ldscpng LLC | CC-01 | 2023 | Active |
| Tool & Trade Construction LLC | CC-01 | 2020 | Active |
| Top Tier Remodel LLC | CC-01 | 2021 | Active |
| Top Tile & Stone Corp | CC-01 | 2019 | Active |
| Torres Remodeling LLC | CC-01 | 2021 | Active |
| Tov Restoration | CC-01 | 2026 | Active |
| Tov Siding LLC | CC-01 | 2026 | Active |
| Towers M General Contr LLC | CC-01 | 2020 | Active |
| Travs Transformations LLC | CC-01 | 2026 | Active |
| Trees Family Construction LLC | CC-01 | 2020 | Active |
| Tremor Excavation LLC | CC-01 | 2024 | Active |
| Tricolor Painting & Rmdlg LLC | CC-01 | 2026 | Active |
| Trinity Waterproofing Inc | CC-01 | 2021 | Active |
| Triple J Drywall LLC | CC-01 | 2023 | Active |
| Triple R Contracting Inc | CC-01 | 2025 | Active |
| Triton Development Group | CC-01 | 2026 | Active |
| Triton Property Specialist LLC | CC-01 | 2024 | Active |
| Trotsk Construction Group LLC | CC-01 | 2023 | Active |
| True Shield Roofing | CC-01 | 2023 | Active |
| Truefix Home LLC | CC-01 | 2024 | Active |
| TT Landscape Services LLC | CC-01 | 2018 | Active |
| TV Tech LLC | CC-01 | 2018 | Renew by Nov 13, 2026 |
| Tva LLC | CC-01 | 2021 | Active |
| Tzun Construction LLC | CC-01 | 2022 | Active |
| U&A Communication Link LLC | CC-01 | 2024 | Active |
| Ua. LLC | CC-01 | 2014 | Active |
| Ulloa's Construction LLC | CC-01 | 2024 | Active |
| Ultimate Blind Co | CC-01 | 2025 | Active |
| Ultra Clean LLC | CC-01 | 2026 | Active |
| United Family Floors LLC | CC-01 | 2007 | Active |
| United Installers | CC-01 | 2020 | Active |
| United Seattle LLC | CC-01 | 2017 | Active |
| United Signature Everett LLC | CC-01 | 2021 | Active |
| Universal Structures Inc | CC-01 | 2011 | Active |
| Urban City Const & Design LLC | CC-01 | 2024 | Active |
| Urban Landscape Inc | CC-01 | 2013 | Active |
| Urias Floor Covering LLC | CC-01 | 2022 | Renew by Dec 17, 2026 |
| Ursa Consulting & Const LLC | CC-01 | 2021 | Active |
| Usach Construction LLC | CC-01 | 2025 | Active |
| Utilicom LLC | CC-01 | 2019 | Active |
| V & R Interior Plus Inc | CC-01 | 2013 | Active |
| V Max Contractor LLC | CC-01 | 2024 | Active |
| V V General Construction LLC | CC-01 | 2022 | Active |
| V&A Chur LLC | CC-01 | 2025 | Active |
| Vadbudpro LLC | CC-01 | 2025 | Active |
| Vadym Hardwood Floors LLC | CC-01 | 2021 | Active |
| Valemar Inc | CC-01 | 2022 | Active |
| Valentyn Construction LLC | CC-01 | 2019 | Active |
| Valley Elec Co/Mt Vernon Inc | CC-01 | 2000 | Active |
| Vasiliy-M LLC | CC-01 | 2024 | Active |
| Vasy's Team Construction LLC | CC-01 | 2022 | Active |
| VBC Property Contractors | CC-01 | 2025 | Active |
| VBV Services LLC | CC-01 | 2024 | Active |
| VDM Construction LLC | CC-01 | 2023 | Active |
| Vector Exteriors LLC | CC-01 | 2020 | Renew by Nov 5, 2026 |
| Veldens LLC | CC-01 | 2023 | Active |
| Velo Floors | CC-01 | 2025 | Active |
| Vertex Hardwood LLC | CC-01 | 2011 | Active |
| Vertex Potholes & Asphalt LLC | CC-01 | 2021 | Active |
| VGF Painting LLC | CC-01 | 2018 | Active |
| Victorian Construction LLC | CC-01 | 2016 | Active |
| Vigo Builds | CC-01 | 2025 | Active |
| Viking Construction Group | CC-01 | 2017 | Active |
| Viko Enterprise LLC | CC-01 | 2019 | Active |
| Viktor & O Flooring Tile LLC | CC-01 | 2024 | Active |