| Minzel Installations LTD | CC-01 | 2013 | Active |
| Mission West Construction LLC | CC-01 | 2026 | Active |
| Moon Construction Company | CC-01 | 1982 | Active |
| Morgan Construction LLC | CC-01 | 2023 | Active |
| Murat Custom Homes LLC | CC-01 | 2026 | Active |
| N And K Construction Of Wa Inc | CC-01 | 2014 | Active |
| Navion Construction LLC | CC-01 | 2025 | Active |
| North City Handyman | CC-01 | 2026 | Active |
| Northstar Paint & Haul LLC | CC-01 | 2026 | Active |
| NRC Homes LLC | CC-01 | 2021 | Active |
| NW Sewer & Drain | CC-01 | 2014 | Renew by Nov 8, 2026 |
| Olander Garden Design LLC | CC-01 | 2015 | Active |
| One Plus Solutions LLC | CC-01 | 2025 | Active |
| P&P CM Constructions LLC | CC-01 | 2021 | Active |
| Pacific Northwest Flooring LLC | CC-01 | 2007 | Active |
| Pacview Homes LLC | CC-01 | 2017 | Active |
| Pennon Construction Co Inc | CC-01 | 1999 | Active |
| Plan-It Vision LLC | CC-01 | 2017 | Active |
| PNW Rudy General Contr LLC | CC-01 | 2026 | Active |
| Pro Remodeling LLC | CC-01 | 2023 | Active |
| Pro Stone Construction LLC | CC-01 | 2026 | Active |
| Progrex Roofing LLC | CC-01 | 2024 | Active |
| Project S33 LLC | CC-01 | 2024 | Active |
| Project S38 LLC | CC-01 | 2024 | Active |
| Project S46 LLC | CC-01 | 2023 | Active |
| Promaxx Painting Inc | CC-01 | 2007 | Active |
| Puget Sound Handyman SVCS LLC | CC-01 | 2019 | Active |
| Puroclean Of North Seattle | CC-01 | 2026 | Active |
| Queen Anne Renovations LLC | CC-01 | 2024 | Active |
| Raincity Design & Build LLC | CC-01 | 2025 | Active |
| Ramsey Construction LLC | CC-01 | 2025 | Active |
| RB Homes & Construction LLC | CC-01 | 2026 | Active |
| RC Construction & Remodel LLC | CC-01 | 2022 | Renew by Nov 20, 2026 |
| Real Property Services Co | CC-01 | 2025 | Active |
| Redell Home Remodeling LLC | CC-01 | 2014 | Active |
| Redwood Builders & RMDL LLC | CC-01 | 2023 | Active |
| Reform Const & Dev LLC | CC-01 | 2023 | Active |
| Reid Consolidated Services Inc | CC-01 | 2002 | Active |
| Revohome LLC | CC-01 | 2020 | Renew by Dec 10, 2026 |
| Riopel Builders LLC | CC-01 | 2026 | Active |
| Rvmco LLC | CC-01 | 2007 | Active |
| S&O Remodeling LLC | CC-01 | 2024 | Active |
| Sam's Home Improvement Inc | CC-01 | 2010 | Active |
| Sanitary Standard LLC | CC-01 | 2026 | Active |
| Scalagreen | CC-01 | 2023 | Active |
| Scan Design Build | CC-01 | 2025 | Active |
| Schooly D's LLC | CC-01 | 2026 | Active |
| Seattle Sewer Pros LLC | CC-01 | 2022 | Active |
| Seattle Sound Construction LLC | CC-01 | 2019 | Active |
| Servco Water And Sewer LLC | CC-01 | 2015 | Active |
| SG Carpentry LLC | CC-01 | 2022 | Active |
| Shooting Star Gardens | CC-01 | 2019 | Active |
| Shoreline Handyman, LLC | CC-01 | 2022 | Active |
| Shoreline Ridge LLC | CC-01 | 2020 | Active |
| Shoreline Sales Inc | CC-01 | 2011 | Active |
| Shoreline Services | CC-01 | 2025 | Active |
| Showpiece Construction LLC | CC-01 | 2022 | Active |
| Simply Sewer LLC | CC-01 | 2025 | Active |
| Skogerson Construction Company | CC-01 | 2026 | Active |
| Solt Construction LLC | CC-01 | 2022 | Active |
| Sound Handyman Services LLC | CC-01 | 2013 | Active |
| Sounder Diving LLC | CC-01 | 2018 | Active |
| Squarehead Home Repair LLC | CC-01 | 2007 | Active |
| Sterling Environmental LLC | CC-01 | 2022 | Active |
| Strata Coating | CC-01 | 2025 | Active |
| Suburban Painting Services | CC-01 | 2012 | Active |
| Summit Roofing | CC-01 | 2025 | Active |
| Sunstar Handyman | CC-01 | 2026 | Active |
| Super Bros Painting LLC | CC-01 | 2024 | Active |
| Taylor Masonry & Const LLC | CC-01 | 2026 | Active |
| Temuka Construction LLC | CC-01 | 2019 | Active |
| The Brick Masnry Contrctr LLC | CC-01 | 2022 | Active |
| The Yardbutlers | CC-01 | 2019 | Active |
| THP Commercial LLC | CC-01 | 2026 | Active |
| Tiger Painting LLC | CC-01 | 2017 | Active |
| Timescape LLC | CC-01 | 2021 | Active |
| TLG Group LLC | CC-01 | 2024 | Active |
| TMW Tile LLC | CC-01 | 2013 | Active |
| Tribe & Sons Construction LLC | CC-01 | 2025 | Active |
| United Green Builders LLC | CC-01 | 2024 | Renew by Nov 21, 2026 |
| Vela Workplace | CC-01 | 2026 | Active |
| Verdancraft | CC-01 | 2024 | Active |
| Vertex Works | CC-01 | 2026 | Active |
| Viatech General Contractor LLC | CC-01 | 2024 | Renew by Nov 19, 2026 |
| VP Sustainable Const LLC | CC-01 | 2026 | Active |
| Vukaj Construction Servs LLC | CC-01 | 2026 | Active |
| Wa Duct Cleaners LLC | CC-01 | 2019 | Active |
| Windstar Construction Co | CC-01 | 2018 | Active |
| Wmy Construction | CC-01 | 2020 | Active |
| Xterior Cleaning Services LLC | CC-01 | 2024 | Active |
| Zeppelin Enterprises LLC | CC-01 | 2008 | Active |