| Fast Heating & Air | CC-01 | 2025 | Active |
| Fast Plumbing And Drain | CC-01 | 2025 | Active |
| Fast Water Heater | CC-01 | 2025 | Active |
| Ferdi Construction & Extrs LLC | CC-01 | 2026 | Active |
| Ferguson Floors LLC | CC-01 | 2023 | Active |
| Fine Fix Repair LLC | CC-01 | 2026 | Active |
| Flatwater Homes LLC | CC-01 | 2014 | Active |
| Fletcher Enterprises Inc | CC-01 | 1997 | Active |
| Floor Cov Int Sea Eastside-Nor | CC-01 | 2025 | Active |
| Floor Solutions | CC-01 | 2014 | Active |
| Forrest Sound Products LLC | CC-01 | 2006 | Active |
| Fortwest LLC | CC-01 | 2012 | Active |
| Fox Plumbing & Heating | CC-01 | 2024 | Active |
| Fresh N Clean Septic LLC | CC-01 | 2020 | Active |
| G B C Construction Inc | CC-01 | 1987 | Active |
| Galleon Construction LLC | CC-01 | 2010 | Active |
| Garnet Enterprise LLC | CC-01 | 2017 | Active |
| Gene Johnsn PLB HTG CL Elc LLC | CC-01 | 2024 | Active |
| General Const Washington LLC | CC-01 | 2023 | Active |
| Gentech Washington Inc | CC-01 | 2026 | Active |
| Grant Franklin Homes LLC | CC-01 | 2011 | Active |
| Greater Seattle Const LLC | CC-01 | 2012 | Active |
| Greater Seattle Restortn LLC | CC-01 | 2026 | Active |
| Gregerson Custom Homes Inc | CC-01 | 1991 | Active |
| H & A Steel Erectors LLC | CC-01 | 2019 | Active |
| Haight Studio LTD Inc | CC-01 | 2008 | Active |
| Hann Homes LLC | CC-01 | 2012 | Active |
| Harmony Homes Builders LLC | CC-01 | 2024 | Active |
| Haus LLC | CC-01 | 2017 | Active |
| Heritage Builders LLC | CC-01 | 2014 | Active |
| Heritage Estate Prep LLC | CC-01 | 2026 | Active |
| Heritage Homecraft Inc | CC-01 | 2007 | Active |
| HGL King Painting & Servcs LLC | CC-01 | 2020 | Active |
| Highend Handyman | CC-01 | 2025 | Active |
| Hill Construction & Design LLC | CC-01 | 2019 | Active |
| Hip Group Co | CC-01 | 2017 | Active |
| Home Avdtg Gen Conts LLC | CC-01 | 2025 | Active |
| Home Modifications LLC | CC-01 | 2016 | Active |
| Hos Bros Construction LLC | CC-01 | 2025 | Active |
| Howe Construction | CC-01 | 2014 | Active |
| Hti Polymer Inc | CC-01 | 2006 | Renew by Dec 8, 2026 |
| Huseby Homes LLC | CC-01 | 2017 | Active |
| Industrial Air Systems Inc | CC-01 | 1991 | Active |
| Integrity Exterior Solns LLC | CC-01 | 2025 | Active |
| Interiors By Jayme | CC-01 | 2018 | Active |
| Inventive Construction LLC | CC-01 | 2015 | Active |
| Ironwood Homes LLC | CC-01 | 2022 | Active |
| Ironwood Lndscpg & Matls LLC | CC-01 | 2025 | Active |
| J & L Enterprises Wa LLC | CC-01 | 2002 | Active |
| J J W Construction Inc | CC-01 | 2001 | Active |
| J&I Outdoor Services LLC | CC-01 | 2026 | Active |
| Jayhawk Construction LLC | CC-01 | 2016 | Active |
| JD Plumbing/Fire Protec Inc | CC-01 | 1991 | Active |
| Jha Family LLC | CC-01 | 2019 | Active |
| JLM Construction Co LLC | CC-01 | 2011 | Active |
| John-Wayne Construction Co | CC-01 | 1993 | Active |
| JV Homes NW LLC | CC-01 | 2026 | Active |
| Jy Construction | CC-01 | 2023 | Active |
| K & L Cleaning Inc | CC-01 | 2000 | Active |
| K-A General Const Contr LLC | CC-01 | 2006 | Active |
| Kaiser Enterprises LLC | CC-01 | 2008 | Active |
| Keck General Construction LLC | CC-01 | 2015 | Active |
| Kennedy Contracting Inc | CC-01 | 2003 | Active |
| Ketchikan Drywall Services Inc | CC-01 | 2001 | Active |
| Keystone Kitchens Inc | CC-01 | 2015 | Active |
| King Roof Care LLC | CC-01 | 2022 | Active |
| KLD Services LLC | CC-01 | 2001 | Active |
| Klim Exteriors LLC | CC-01 | 2024 | Active |
| Koss Construction Inc | CC-01 | 2013 | Active |
| Krisco Aquatech Pools & Spas | CC-01 | 2019 | Active |
| L S Inc | CC-01 | 2001 | Active |
| Lab Construction LLC | CC-01 | 1999 | Active |
| Lasting Impression Rmdlng Inc | CC-01 | 2023 | Active |
| Le Marketi's Painting Co LLC | CC-01 | 2023 | Active |
| Lions Pro Services LLC | CC-01 | 2026 | Active |
| Living Spaces Northwest LLC | CC-01 | 2013 | Active |
| Lm2 LLC | CC-01 | 2022 | Renew by Dec 9, 2026 |
| Louis & Francois Const + R E | CC-01 | 2022 | Active |
| Loutsis Development LLC | CC-01 | 2004 | Active |
| Lucy Construction LLC | CC-01 | 2012 | Active |
| M & D Abatement Services LLC | CC-01 | 2008 | Active |
| M & M Repair Inc | CC-01 | 1994 | Active |
| Marius Enterprises LLC | CC-01 | 2018 | Active |
| Mentalblueprint, LLC | CC-01 | 2020 | Active |
| Mfour Contractors LLC | CC-01 | 2014 | Renew by Dec 2, 2026 |
| Mikhail's Contracting Inc | CC-01 | 2000 | Active |
| Miller Built LLC | CC-01 | 2015 | Active |
| MJB Construction Services LLC | CC-01 | 2025 | Active |
| Monarcas House CLNG & More LLC | CC-01 | 2023 | Active |
| Monroe Family Builders LLC | CC-01 | 2010 | Active |
| Montello Design LLC | CC-01 | 2025 | Active |
| Moore Property Care | CC-01 | 2026 | Active |
| Moreno LS LLC | CC-01 | 2021 | Active |
| Nelson & Sons Const Co Inc | CC-01 | 1996 | Active |
| New Life Flooring Inc | CC-01 | 2000 | Active |
| Newport Landscape Services LLC | CC-01 | 2025 | Active |
| Nextlab Built LLC | CC-01 | 2026 | Active |
| NGC Trimark LLC | CC-01 | 2009 | Active |
| Nicho's Touch LLC | CC-01 | 2013 | Active |
| Noah & Noble LLC | CC-01 | 2018 | Active |