| Seattle Builds LLC | CC-01 | 2025 | Active |
| Seattle Pros LLC | CC-01 | 2018 | Active |
| Seattles Finest Const Inc | CC-01 | 2025 | Active |
| Serengeti | CC-01 | 2026 | Active |
| Seventy-Seven Construction LLC | CC-01 | 2026 | Active |
| Sewertechs LLC | CC-01 | 2017 | Active |
| SF Alliance LLC | CC-01 | 2023 | Active |
| Shev's Interiors LLC | CC-01 | 2020 | Active |
| Siderman Services LLC | CC-01 | 2024 | Active |
| Signature Kitchen & RMDL LLC | CC-01 | 2026 | Active |
| Silver Senior Construction | CC-01 | 2013 | Active |
| Simple Decks LLC | CC-01 | 2014 | Active |
| Six Star General Contrng LLC | CC-01 | 2019 | Active |
| Sjlee LLC | CC-01 | 2023 | Active |
| Sky Cabinets | CC-01 | 2026 | Active |
| Skyline Home Remodeling LLC | CC-01 | 2025 | Active |
| Skyline Invst Properties LLC | CC-01 | 2019 | Active |
| Smart Construction LLC | CC-01 | 2021 | Active |
| Smart Dry Cleaning/Restrtn LLC | CC-01 | 2017 | Active |
| SMS Wa Carpenters LLC | CC-01 | 2018 | Active |
| Sny Framing LLC | CC-01 | 2022 | Active |
| Solutions By Joe LLC | CC-01 | 2026 | Active |
| Sound Buildworks LLC | CC-01 | 2026 | Active |
| Spanjer Framing & Drywall LLC | CC-01 | 2026 | Active |
| SPF Construction LLC | CC-01 | 2018 | Active |
| St Art Construction LLC | CC-01 | 2022 | Active |
| Standout Construction LLC | CC-01 | 2021 | Active |
| Star Construction LLC | CC-01 | 2022 | Active |
| Star Lake Enterprises Inc | CC-01 | 1985 | Active |
| Steady Flow SWR & Drain Co | CC-01 | 2025 | Active |
| Steelcreek Construction LLC | CC-01 | 2024 | Renew by Dec 20, 2026 |
| Stellar Fabrication LLC | CC-01 | 2023 | Active |
| Stewart Roofing Inc | CC-01 | 1990 | Active |
| Sti Construction LLC | CC-01 | 2022 | Active |
| Strong-Built Construction LLC | CC-01 | 2022 | Active |
| Summit Construction/Roofing Co | CC-01 | 1993 | Active |
| Summit Sealcoat LLC | CC-01 | 2025 | Active |
| Sunshine Surfaces LLC | CC-01 | 2019 | Active |
| Supreme Builders | CC-01 | 2024 | Active |
| SV Pro Carpenter LLC | CC-01 | 2022 | Active |
| SW Construction LLC | CC-01 | 2016 | Active |
| T M Construction Co | CC-01 | 2015 | Active |
| T&A Tile And Stone LLC | CC-01 | 2016 | Active |
| Tapa's Remodeling & Repair LLC | CC-01 | 2018 | Renew by Dec 4, 2026 |
| Tarzis Painting | CC-01 | 2024 | Active |
| Tavi's Roofing Service LLC | CC-01 | 2016 | Active |
| Techingenius Telecom/Tech LLC | CC-01 | 2026 | Active |
| Teleus LLC | CC-01 | 2019 | Active |
| Telos Builds & Renovations LLC | CC-01 | 2023 | Active |
| Thanh Cong Prop&Lndscp SRV LLC | CC-01 | 2024 | Active |
| The Best Quality Solution LLC | CC-01 | 2025 | Active |
| The City Builders Painting LLC | CC-01 | 2021 | Active |
| The Cool Project NW | CC-01 | 2025 | Active |
| The Lamb General CNTR LLC | CC-01 | 2019 | Active |
| The Nexus Studio Inc | CC-01 | 2017 | Active |
| The One To Stand On LLC | CC-01 | 2026 | Active |
| Three Chicks And A Hammer LLC | CC-01 | 2019 | Active |
| Thriftway Plumbing Inc | CC-01 | 2013 | Active |
| Tile By Choice LLC | CC-01 | 2026 | Active |
| Tim's Flooring LLC | CC-01 | 2020 | Active |
| TK Renovations LLC | CC-01 | 2026 | Active |
| TLR General Contractor Servs | CC-01 | 2016 | Active |
| Toko2 Contractors LLC | CC-01 | 2026 | Active |
| Tom Osaka Garden Service Inc | CC-01 | 1999 | Active |
| Top Choice Refinishing Sys LLC | CC-01 | 2017 | Active |
| Top Cohen Enterprises | CC-01 | 2015 | Active |
| Top Construction LLC | CC-01 | 2016 | Renew by Dec 21, 2026 |
| Total Developments LLC | CC-01 | 2012 | Active |
| Total Finish Carpentry LLC | CC-01 | 2023 | Active |
| Total Home Maintenance LLC | CC-01 | 2022 | Active |
| Total Interior & Signs | CC-01 | 2025 | Active |
| Trace Telcom | CC-01 | 2026 | Active |
| Transformrs Pntg/Prs Wshng LLC | CC-01 | 2021 | Active |
| Trinity Development Corp | CC-01 | 2003 | Active |
| Trust Builds LLC | CC-01 | 2024 | Active |
| Two Brothers Construction Inc | CC-01 | 2008 | Active |
| Ultimate Roof Solutions LLC | CC-01 | 2026 | Active |
| Unique Finishes | CC-01 | 2024 | Active |
| US Imperial Construction LLC | CC-01 | 2022 | Active |
| Ustymchuk V L Services LLC | CC-01 | 2024 | Renew by Dec 16, 2026 |
| Uvalle Constructions LLC | CC-01 | 2025 | Active |
| V&M Exterior Solutions LLC | CC-01 | 2023 | Active |
| V&S Enterprise LLC | CC-01 | 2025 | Active |
| Valencia Construction | CC-01 | 2017 | Active |
| Valley Fabricators LLC | CC-01 | 2013 | Active |
| Varsity Heating & Cooling LLC | CC-01 | 2024 | Active |
| Varvianskyi A G LLC | CC-01 | 2025 | Active |
| VCC Construction | CC-01 | 2022 | Active |
| Vega & Sons Const Srvcs LLC | CC-01 | 2021 | Active |
| Ventura General Contractor LLC | CC-01 | 2021 | Active |
| Verdant Row Landscapes LLC | CC-01 | 2026 | Active |
| VF Home Designs LLC | CC-01 | 2024 | Active |
| VGN Inc | CC-01 | 2009 | Active |
| Vip Homes Construction LLC | CC-01 | 2022 | Active |
| Vista Edge LLC | CC-01 | 2026 | Active |
| VLS Master LLC | CC-01 | 2009 | Active |
| VLT Corporate LLC | CC-01 | 2022 | Active |
| VN Property Services LLC | CC-01 | 2016 | Active |
| Volod Handyman LLC | CC-01 | 2024 | Renew by Dec 18, 2026 |
| Vorsol Pro LLC | CC-01 | 2026 | Active |