| Taylor Boiler & Equipment Co | CGC2 | 1997 | Active |
| Taylor Vons LLC | CGC2, RGC | 2020 | Active |
| Taylorsmith Sustainable Construction Company | RGC + LBPR | 2019 | Renew by Dec 14, 2026 |
| TCF Construction LLC | RGC | 2025 | Active |
| Tcon Construction LLC | CGC1, RGC | 2023 | Active |
| TDS Home Repair & Remodeling LLC | RGC | 2007 | Active |
| Team J Ramos LLC | RGC | 2022 | Active |
| Team Masters Construction LLC | CGC2, RGC | 2004 | Renew by Dec 29, 2026 |
| Techno Logic LLC | RGC | 2023 | Active |
| Technology By Obrien Systems Inc | CGC2 + RSC | 2003 | Active |
| Technology First LLC | RGC | 2019 | Active |
| Techsource NW Inc | RGC | 2018 | Active |
| Teej O Rama Enterprises LLC | RGC + LBPR | 2021 | Active |
| Teeter Roofing Inc | RGC | 2009 | Active |
| Tenon Contracting Group LLC | RGC | 2022 | Active |
| Terra Tile And Stone LLC | RGC | 2020 | Active |
| Terrafirma Foundation Repair Inc | CGC1, RGC + LBPR | 2006 | Active |
| Terry Wilson Construction LLC | RGC + LBPR | 2016 | Active |
| TFSP Inc | CGC2, RGC | 1999 | Active |
| TGK Construction LLC | RGC | 2017 | Active |
| TH Builders Corp | CGC1 | 2021 | Active |
| The Affordable Home Doctor Inc | RGC | 2016 | Active |
| The Benchmark Group LLC | CGC2 | 2017 | Active |
| The Brads LLC | RGC | 2023 | Active |
| The Bull A & M Paving Asphalt LLC | RGC | 2022 | Renew by Nov 10, 2026 |
| The Chaffins Group LLC | RGC | 2025 | Active |
| The Drywall Repair Co LLC | RGC | 2026 | Active |
| The Encapsulators LLC | RGC + LBPR | 2025 | Active |
| The Handy Boys LLC | RGC | 2026 | Active |
| The Handy Dude LLC | RGC | 2025 | Active |
| The Heating Specialist LLC | RGC + CSC2 | 2025 | Active |
| The Jack + Mare LLC | RGC + LBPR | 2016 | Active |
| The Kitchen Helpers Inc | RGC + LBPR | 2017 | Active |
| The Line Inc | RGC | 2016 | Active |
| The Lion General Construction LLC | RGC | 2023 | Active |
| The Maintenance Guy LLC | RGC | 2010 | Active |
| The One Stoneworks Inc | RGC | 2023 | Active |
| The Powell Group LLC | RGC | 2019 | Active |
| The Preston Company Inc | RGC | 2015 | Active |
| The Process Development Company LLC | RGC + LBPR | 2016 | Renew by Nov 28, 2026 |
| The Rodriguez Corporation | CGC2 + LBPR | 1996 | Renew by Dec 20, 2026 |
| The Runquist Group LLC | RGC | 2024 | Active |
| The Wednesday Company LLC | RGC | 2015 | Active |
| The White Eagle Tree Services & Landscaping LLC | RGC | 2024 | Renew by Dec 12, 2026 |
| The Wright Contractors LLC | RGC | 2023 | Active |
| Thehandyman911 LLC | RGC | 2026 | Active |
| Third Quote Exteriors LLC | RGC | 2026 | Active |
| Thomas Jay Construction LLC | RGC + LBPR | 2016 | Active |
| Thomas Lindsey Home Improvement And Renovation LLC | RGC | 2022 | Active |
| Thomas Made LLC | RGC | 2025 | Active |
| Three Brothers Construction LLC | RGC | 2024 | Active |
| Three Crows LLC | RGC | 2023 | Active |
| Throb LLC | RGC | 2023 | Active |
| Thunderbird Electric Inc | RGC | 1986 | Active |
| Tice Electric Company | CGC1, RGC + LBPR | 1972 | Active |
| Tik Construction Inc | CGC2, RGC + LBPR | 2019 | Active |
| Tile Design LLC | RGC | 2016 | Active |
| Tile Master PDX LLC | RGC | 2014 | Active |
| Tile Promaster LLC | RGC | 2025 | Active |
| Tim Stone LLC | RGC | 2015 | Active |
| Timber Builders Construction LLC | RGC | 2026 | Active |
| Timber Built LLC | RGC + LBPR | 2015 | Renew by Dec 19, 2026 |
| Timber Deck And Fencing LLC | RGC | 2017 | Active |
| Timber Development LLC | RGC | 2015 | Active |
| Timber Ridge Building Company LLC | RGC | 2018 | Active |
| Timber Zones Inc | RGC | 2026 | Active |
| Timberridge Development Inc | RGC | 2007 | Active |
| Timbers 1 Edge LLC | RGC | 2026 | Active |
| Timbr Group LLC | RGC | 2021 | Active |
| Timbra LLC | RGC | 2025 | Active |
| Time Frame Inc | CGC2, RGC | 1989 | Active |
| Time Honored Traditions LLC | RGC | 2025 | Active |
| Timmins Construction LLC | RGC | 2024 | Renew by Dec 18, 2026 |
| Timurland Construction LLC | RGC + LBPR | 2011 | Active |
| Tiny Hookups LLC | RGC | 2022 | Renew by Dec 13, 2026 |
| Titan Remodeling Construction LLC | RGC | 2025 | Active |
| Titanium Construction LLC | RGC | 2017 | Active |
| TJS Handyman & Maintenance LLC | RGC + LBPR | 2025 | Active |
| TLS Structure Maintenance & Demolition Inc | RGC | 2019 | Active |
| Tna Solutions LLC | RGC | 2024 | Active |
| To The Bone Construction LLC | RGC | 2026 | Active |
| Toa Concrete Construction LLC | RGC + CSC2 | 2019 | Active |
| Todd Of All Trades Inc | RGC | 2006 | Renew by Nov 14, 2026 |
| Tom Champion Builders LLC | RGC + LBPR | 2010 | Active |
| Tom Leach & Co | RGC + LBPR | 2013 | Active |
| Tom Nolf Construction Inc | RGC | 1978 | Active |
| Tomcat Construction LLC | CGC2, RGC | 2021 | Active |
| Tommy Builders Inc | RGC | 2025 | Active |
| Toms Roofing & General Contractor Inc | CGC2, RGC | 2006 | Active |
| Tonstone Building Supply LLC | RGC | 2010 | Active |
| Tony Parke Construction & Development LLC | RGC | 2007 | Active |
| Tonys Home Solution LLC | RGC | 2026 | Active |
| Tonys Roofing LLC | RGC | 2016 | Active |
| Toolbox Masters LLC | RGC | 2025 | Active |
| Tooth & Nail Construction LLC | RGC | 2021 | Active |
| Top Flight Transport LLC | RGC | 2026 | Active |
| Top Gutters Solutions LLC | RGC | 2025 | Active |
| Top Horizon LLC | RGC | 2025 | Active |
| Top Notch Framing & Construction LLC | RGC | 2022 | Active |
| Top Rank Construction LLC | RGC | 2023 | Active |