| 1 New Mechanical LLC | CC-01 | 2017 | Active |
| 12 Decks & Fences LLC | CC-01 | 2019 | Active |
| 1st Avenue NW Inc | CC-01 | 2022 | Active |
| 1st Tier HVAC LLC | CC-01 | 2026 | Active |
| 360 House Care | CC-01 | 2020 | Active |
| 3d Floors LLC | CC-01 | 2022 | Active |
| 4 Generation Masonry/Dsgn LLC | CC-01 | 2016 | Active |
| 4 Seasons Junk Removal LLC | CC-01 | 2024 | Active |
| 4j's Tree Service LLC | CC-01 | 2020 | Active |
| 4x4 X-Terior Roofing LLC | CC-01 | 2020 | Active |
| @home | CC-01 | 2026 | Active |
| A Austin's Septic Company LLC | CC-01 | 2025 | Active |
| A Fantastic Finish Inc | CC-01 | 2014 | Active |
| A J B Contractors Inc | CC-01 | 2003 | Active |
| A Wesco Septic Service Inc | CC-01 | 2001 | Active |
| A&M Builders | CC-01 | 2026 | Active |
| A-1 Landscaping & Const Inc | CC-01 | 1995 | Active |
| Aaa Solid Concrete Const Inc | CC-01 | 2008 | Active |
| Aacra Backflow Testing/Repair | CC-01 | 2016 | Active |
| Above All Gutter Guys LLC | CC-01 | 2021 | Active |
| Above Grade LLC | CC-01 | 2010 | Active |
| Access Earthworks Inc | CC-01 | 1999 | Active |
| Acme Homes LLC | CC-01 | 2015 | Active |
| Action Construction | CC-01 | 2009 | Active |
| Ad Janitorial Services LLC | CC-01 | 2025 | Active |
| Adu Builders LLC | CC-01 | 2024 | Active |
| Advance Construction LLC | CC-01 | 2011 | Active |
| Advance Pro Tile LLC | CC-01 | 2018 | Active |
| Advanced NW Home Imprvmnt LLC | CC-01 | 2018 | Active |
| Aero Construction Company | CC-01 | 1988 | Active |
| Ak Flooring LLC | CC-01 | 2011 | Active |
| Al's Maintenance & Repair LLC | CC-01 | 2008 | Active |
| Alder Creek Custom Homes LLC | CC-01 | 2022 | Active |
| All About Abatement LLC | CC-01 | 2017 | Active |
| All About Outdoor Design LLC | CC-01 | 2025 | Active |
| All Heating Services | CC-01 | 2024 | Active |
| All Seasons Earthworks LLC | CC-01 | 2008 | Active |
| All Seasons Wtrpfng/Drain Inc | CC-01 | 2008 | Renew by Nov 21, 2026 |
| Allegiance Const Srvcs LLC | CC-01 | 2012 | Active |
| Alliance Landscape Serv NW Inc | CC-01 | 2014 | Renew by Nov 7, 2026 |
| Alloy Arts LLC | CC-01 | 2022 | Active |
| Alpha Construction & Rmdlg LLC | CC-01 | 2022 | Active |
| Alpine Roof Care Inc | CC-01 | 2001 | Active |
| Always Active Services LLC | CC-01 | 2020 | Active |
| Amor Roofing, LLC | CC-01 | 2023 | Active |
| Anchor Construction LLC | CC-01 | 2012 | Active |
| Anderson Digging LLC | CC-01 | 2021 | Active |
| Anderson Home Renovation LLC | CC-01 | 2024 | Active |
| Andrews Plumbing Inc | CC-01 | 1998 | Active |
| Angels Building LLC | CC-01 | 2024 | Active |
| Apex Building Solutions Inc | CC-01 | 2025 | Active |
| Architech GC LLC | CC-01 | 2024 | Active |
| Artisan Locksmith LLC | CC-01 | 2026 | Active |
| Artist Touch Landscaping LLC | CC-01 | 2021 | Active |
| Artwood Floor LLC | CC-01 | 2014 | Active |
| Aspen Roofing And Const LLC | CC-01 | 2025 | Active |
| Atco Communications Srvcs LLC | CC-01 | 2024 | Active |
| Athena Concrete LLC | CC-01 | 2026 | Active |
| Atlas Construction 425 LLC | CC-01 | 2024 | Active |
| Atlas Essentials 7 LLC | CC-01 | 2024 | Renew by Dec 10, 2026 |
| Atomic Framing LLC | CC-01 | 2013 | Active |
| Avenue A Partners LLC | CC-01 | 2018 | Active |
| Axis Northwest LLC | CC-01 | 2023 | Active |
| Ays Tile LLC | CC-01 | 2019 | Active |
| B & L Utility Inc | CC-01 | 1995 | Active |
| B D M Affiliates Inc | CC-01 | 1998 | Renew by Dec 23, 2026 |
| B W Construction Inc | CC-01 | 2002 | Active |
| B&D Contractors LLC | CC-01 | 2015 | Active |
| Bacon Building & Maint LLC | CC-01 | 2019 | Active |
| Badgley's Landscape LLC | CC-01 | 2006 | Active |
| Bain Custom Integrations | CC-01 | 2023 | Active |
| Balas Construction | CC-01 | 2018 | Active |
| Bar Diamond C Enterprises LLC | CC-01 | 2026 | Active |
| BCM Contractor LLC | CC-01 | 2024 | Active |
| Be Tech Appliance Repair LLC | CC-01 | 2024 | Active |
| Bel Construct LLC | CC-01 | 2021 | Active |
| Benjamins Drywall Inc | CC-01 | 2002 | Active |
| Big Country Contracting LLC | CC-01 | 2023 | Active |
| Birk Construction LLC | CC-01 | 2024 | Active |
| BJR Painting & Restoration LLC | CC-01 | 2021 | Active |
| BK 1036 4th St LLC | CC-01 | 2026 | Active |
| BK 112 110th PL SE LLC | CC-01 | 2026 | Active |
| BK 216 31st Ave E LLC | CC-01 | 2026 | Active |
| BK 3839 Ashworth Ave N LLC | CC-01 | 2026 | Active |
| BK 8619 17th Ave NE LLC | CC-01 | 2026 | Active |
| BK Construction & Renvatn LLC | CC-01 | 2024 | Active |
| Black Wolf Construction LLC | CC-01 | 2019 | Active |
| Blade Trucking & Const LLC | CC-01 | 2020 | Renew by Nov 18, 2026 |
| Blue Dog Wood Art Const LLC | CC-01 | 2022 | Active |
| Blue Land Construction LLC | CC-01 | 2018 | Active |
| Blue Ribbon Scapes LLC | CC-01 | 2020 | Active |
| Board & Batten Contracting LLC | CC-01 | 2022 | Active |
| Bob The Fixer LLC | CC-01 | 2016 | Active |
| Bootis LLC | CC-01 | 2026 | Active |
| Bralen Construction LLC | CC-01 | 2022 | Active |
| BRD Demolition | CC-01 | 2022 | Active |
| Brediger Landscape Co LLC | CC-01 | 2021 | Active |
| Breeze Free Inc | CC-01 | 1995 | Active |
| Brikat Homes | CC-01 | 2019 | Active |
| Brookside Excavating LLC | CC-01 | 2015 | Active |