| 360 Cleaning & Propty MGMT LLC | CC-01 | 2025 | Active |
| A1 Marine LLC | CC-01 | 2019 | Active |
| Albritton Construction LLC | CC-01 | 2015 | Active |
| All The Above Construction | CC-01 | 2011 | Active |
| Amphora Landscape & Design | CC-01 | 2023 | Active |
| Anders Artistic Excavation LLC | CC-01 | 2021 | Active |
| Anderson Woodcraft LLC | CC-01 | 2023 | Active |
| Arcj LLC | CC-01 | 2026 | Active |
| Aw Beyers Excavation | CC-01 | 2007 | Active |
| Bacon Property Services LLC | CC-01 | 2021 | Active |
| BC Construction & Design LLC | CC-01 | 2009 | Active |
| Bee's Construction Inc | CC-01 | 2017 | Active |
| Bison Builders LLC | CC-01 | 2019 | Active |
| Black Family Enterprises Inc | CC-01 | 2003 | Active |
| Black Fox Enterprises LLC | CC-01 | 2023 | Active |
| Boardman Drywall & Paint LLC | CC-01 | 2021 | Active |
| BPC LLC | CC-01 | 2019 | Active |
| Brophy Construction LLC | CC-01 | 2024 | Active |
| Carpet Connection Inc | CC-01 | 2005 | Active |
| CB Craftworks LLC | CC-01 | 2020 | Renew by Nov 14, 2026 |
| Clark Const, Tile & HM SRV LLC | CC-01 | 2025 | Active |
| Cohesive Home Builders LLC | CC-01 | 2026 | Active |
| Cookson Const & Woodworks LLC | CC-01 | 2026 | Active |
| Corliss Excavation Inc | CC-01 | 2001 | Active |
| Craig Youngquist Const LLC | CC-01 | 2007 | Active |
| CRB LLC | CC-01 | 2016 | Active |
| Cruz Construction LLC | CC-01 | 2020 | Active |
| Cutting Construction LLC | CC-01 | 2022 | Active |
| CZ Does It LLC | CC-01 | 2023 | Active |
| Dan Lowe Contracting Inc | CC-01 | 2002 | Renew by Dec 3, 2026 |
| Earthworks Northwest LLC | CC-01 | 2013 | Active |
| Eco Earthworks LLC | CC-01 | 2020 | Renew by Dec 4, 2026 |
| Ellsworth Corporation, The | CC-01 | 1994 | Active |
| Empyrean Group Inc | CC-01 | 2004 | Active |
| Evergreen Landscaping & Maint | CC-01 | 2021 | Active |
| Friday Harbor Construction | CC-01 | 2024 | Active |
| Friday Harbor Tile LLC | CC-01 | 2014 | Active |
| Frog Song Yard & Garden | CC-01 | 2021 | Active |
| G3 Building Co | CC-01 | 2008 | Renew by Nov 9, 2026 |
| Garden Artisan | CC-01 | 2008 | Active |
| Gardens Unlimited | CC-01 | 2022 | Active |
| Glenn Hargrove Excavating Inc | CC-01 | 2007 | Active |
| Gprojects LLC | CC-01 | 2002 | Active |
| Green Man Inc | CC-01 | 2003 | Active |
| Greenway Construction LLC | CC-01 | 2003 | Active |
| Gull Wing Construction LLC | CC-01 | 2019 | Active |
| Gustafson Tree Care | CC-01 | 2025 | Active |
| Harbor Heating | CC-01 | 2014 | Active |
| Harbor Propane LLC | CC-01 | 2019 | Active |
| Hayes Construction & RMDL LLC | CC-01 | 2025 | Active |
| Hilltop Landscape/Const LLC | CC-01 | 2025 | Active |
| Hobbit Home & Gardens | CC-01 | 2026 | Active |
| Home Glow-Up LLC | CC-01 | 2024 | Active |
| Howling Dog Inc | CC-01 | 2017 | Active |
| Igneous Design Works | CC-01 | 2026 | Active |
| Inter Island Propane LLC | CC-01 | 2017 | Active |
| Island Building Products LLC | CC-01 | 2016 | Active |
| Island Craft Builders LLC | CC-01 | 2019 | Active |
| Island Fixology LLC | CC-01 | 2024 | Active |
| Island Glass Service Inc | CC-01 | 2000 | Active |
| Island Helping Hands LLC | CC-01 | 2024 | Renew by Nov 22, 2026 |
| Island Home Finishes LLC | CC-01 | 2023 | Active |
| Island Living NW | CC-01 | 2022 | Active |
| Island Natives Inc | CC-01 | 2005 | Renew by Nov 14, 2026 |
| Island Thermal Control LLC | CC-01 | 2022 | Active |
| Islebuilt | CC-01 | 2018 | Renew by Dec 3, 2026 |
| It's Tits Framing LLC | CC-01 | 2023 | Active |
| J & M Excavation Inc | CC-01 | 1993 | Active |
| Jade & Co LLC | CC-01 | 2026 | Active |
| Jaj Construction LLC | CC-01 | 2012 | Active |
| JBM Home Services | CC-01 | 2026 | Active |
| Kane Consulting LLC | CC-01 | 2019 | Active |
| Kare Kontracting LLC | CC-01 | 2021 | Active |
| KDN Construction | CC-01 | 2022 | Active |
| Kirk Holt Construction LLC | CC-01 | 2019 | Active |
| Kleine Construction LLC | CC-01 | 2014 | Active |
| KSD Construction Inc | CC-01 | 2006 | Active |
| Land To Sea LLC | CC-01 | 2018 | Active |
| Local Craftsman Design LLC | CC-01 | 2020 | Active |
| Lorne Paulson Construction LLC | CC-01 | 2018 | Active |
| Mem Enterprises LLC | CC-01 | 2009 | Active |
| Merles Chmny Care & STVS LLC | CC-01 | 2022 | Active |
| Metal WRKS LLC | CC-01 | 2015 | Active |
| Mike Carlson Enterprises Inc | CC-01 | 1991 | Active |
| Mitrebox Inc | CC-01 | 2007 | Active |
| Monroe Custom Buildings Inc | CC-01 | 1992 | Active |
| Mr. Olvera LLC | CC-01 | 2026 | Active |
| Nja Construction Inc | CC-01 | 2019 | Active |
| Northwest Plbg/Waterworks Inc | CC-01 | 2001 | Active |
| Oldwyn Masonry And Tile | CC-01 | 2024 | Renew by Oct 31, 2026 |
| Olvera Property Services LLC | CC-01 | 2018 | Active |
| Outta Bounds LLC | CC-01 | 2019 | Active |
| Pat's Construction | CC-01 | 2007 | Active |
| Payne & Sons LLC | CC-01 | 2012 | Active |
| Pear Point Builders | CC-01 | 2022 | Renew by Dec 8, 2026 |
| Peter C Schmidt Const Inc | CC-01 | 2001 | Active |
| Plumb Bob Masonry LLC | CC-01 | 2021 | Active |
| Prescott Llc. | CC-01 | 2026 | Active |
| Raivo Home Improvements LLC | CC-01 | 2019 | Active |
| Ravenhill Construction Inc | CC-01 | 1993 | Active |