| Cascadia Deck & Fence LLC | CC-01 | 2026 | Active |
| CB Carpentry LLC | CC-01 | 2025 | Active |
| Cdas Construction SVCS LLC | CC-01 | 2023 | Active |
| Celsy Painting LLC | CC-01 | 2020 | Active |
| Cesar's Carpet & Flooring LLC | CC-01 | 2025 | Active |
| CH Remodeling LLC | CC-01 | 2022 | Active |
| Chavez & Gomez Qlty PNTG LLC | CC-01 | 2024 | Renew by Nov 25, 2026 |
| Chey's Construction LLC | CC-01 | 2026 | Active |
| Chinook Services | CC-01 | 2010 | Active |
| Chris Avina Construction | CC-01 | 2015 | Active |
| Cinnamon General Const LLC | CC-01 | 2026 | Active |
| Cipro LLC | CC-01 | 2019 | Active |
| City Bee Deck & Railing | CC-01 | 2026 | Active |
| CJ Heating & Cooling | CC-01 | 2021 | Active |
| CL Concrete & Lawnscaping LLC | CC-01 | 2025 | Active |
| Clark Design & Const LLC | CC-01 | 2019 | Active |
| Classic Remodeling NW Inc | CC-01 | 2009 | Active |
| Cleo Landscaping LLC | CC-01 | 2024 | Active |
| Club General Contractor LLC | CC-01 | 2026 | Active |
| CM Heating LLC | CC-01 | 2025 | Active |
| Coficon Communications LLC | CC-01 | 2022 | Active |
| Commercial Construction Corp | CC-01 | 2007 | Active |
| Common Ground LLC | CC-01 | 2023 | Active |
| Complete Welding And RPRS LLC | CC-01 | 2022 | Active |
| Completely Floored | CC-01 | 2014 | Active |
| Constra Works LLC | CC-01 | 2025 | Active |
| Construction By Shulhatyi LLC | CC-01 | 2024 | Active |
| Construction Force LLC | CC-01 | 2021 | Active |
| Construction Pro Servcs LLC | CC-01 | 2025 | Active |
| Construction Services LLC | CC-01 | 2023 | Active |
| Cook Welding Services Inc | CC-01 | 2005 | Active |
| Core Field Erectors LLC | CC-01 | 2024 | Active |
| Corecraft Renovation LLC | CC-01 | 2025 | Active |
| Cornerstone Home Partners | CC-01 | 2026 | Active |
| Cort Party Rental | CC-01 | 2024 | Active |
| Costa Verde Lndscpg Maint LLC | CC-01 | 2024 | Active |
| County Line Contracting LLC | CC-01 | 2026 | Active |
| Cozy Moon Remodeling LLC | CC-01 | 2025 | Active |
| Crafthaus Home Rmdlng LLC | CC-01 | 2023 | Active |
| Craftlux LLC | CC-01 | 2024 | Renew by Dec 12, 2026 |
| Craftsmen Contractors LLC | CC-01 | 2015 | Active |
| Creative Dynasty Const SRV LLC | CC-01 | 2026 | Active |
| Credible Handyman LLC | CC-01 | 2024 | Renew by Nov 14, 2026 |
| Cross Stone Construction LLC | CC-01 | 2026 | Active |
| Crown Home Solutions LLC | CC-01 | 2024 | Active |
| Crystalite Inc | CC-01 | 1997 | Active |
| CSK Construction LLC | CC-01 | 2019 | Active |
| Cthometransformations LLC | CC-01 | 2023 | Active |
| Cupboard BR LLC | CC-01 | 2020 | Active |
| Custom Build LLC | CC-01 | 2022 | Renew by Nov 21, 2026 |
| Custom Design Builders LLC | CC-01 | 2015 | Active |
| Custom Finish LLC | CC-01 | 2023 | Active |
| Custom Homes Northwest LLC | CC-01 | 2020 | Renew by Nov 13, 2026 |
| Custom Line LLC | CC-01 | 2026 | Active |
| Custom Touch Grnt & Cabinets | CC-01 | 2013 | Active |
| Cypress Contractor LLC | CC-01 | 2018 | Renew by Dec 10, 2026 |
| D B Davis LLC | CC-01 | 2004 | Active |
| D K Tile LLC | CC-01 | 2013 | Active |
| D&F Group LLC | CC-01 | 2025 | Active |
| D&S Construction 1 LLC | CC-01 | 2021 | Active |
| Dag Construction LLC | CC-01 | 2021 | Active |
| Damian John Construction LLC | CC-01 | 2013 | Active |
| Damian John Installations | CC-01 | 2018 | Active |
| Danika Plumbing LLC | CC-01 | 2017 | Active |
| Dave's Flooring And More LLC | CC-01 | 2021 | Active |
| Daves Flooring Instl LLC | CC-01 | 2021 | Active |
| Daves Tile And Stone LLC | CC-01 | 2024 | Active |
| Davis Construction Inc | CC-01 | 1999 | Active |
| Davis Sign Company Inc | CC-01 | 1996 | Active |
| DB Luminous Painting LLC | CC-01 | 2018 | Active |
| DBH Cleaning LLC | CC-01 | 2019 | Active |
| Deinega Remodeling LLC | CC-01 | 2024 | Active |
| Del Valle Construction LLC | CC-01 | 2020 | Active |
| Delca Construction LLC | CC-01 | 2018 | Active |
| Deluxe Quality Siding LLC | CC-01 | 2012 | Active |
| Den Construction Inc | CC-01 | 2024 | Active |
| Denali Roofing Inc | CC-01 | 2016 | Active |
| Denko Construction LLC | CC-01 | 2024 | Active |
| Derian Inc | CC-01 | 2010 | Active |
| Designs Outdoors LLC | CC-01 | 2025 | Active |
| Deson Housing LLC | CC-01 | 2023 | Active |
| Devin Harstad Inc | CC-01 | 2009 | Active |
| Dewall General Contrs LLC | CC-01 | 2024 | Active |
| Diamond Heating & Cooling LLC | CC-01 | 2025 | Active |
| Diamond Landscaping Servs LLC | CC-01 | 2024 | Active |
| Diamond Quality Services LLC | CC-01 | 2016 | Active |
| Dima Pro Construction LLC | CC-01 | 2025 | Active |
| Dimaspro LLC | CC-01 | 2026 | Active |
| Dirt Cheap Inc | CC-01 | 2017 | Active |
| Djy Construction LLC | CC-01 | 2025 | Active |
| DK Tile Pros LLC | CC-01 | 2016 | Active |
| DM Pro Construction LLC | CC-01 | 2024 | Active |
| Dolphin Construction LLC | CC-01 | 2017 | Active |
| Donut Home Improvements LLC | CC-01 | 2023 | Active |
| Door Solutions LLC | CC-01 | 2025 | Active |
| Double L Landscpng & Const LLC | CC-01 | 2026 | Active |
| Downey & Sons Prprty Care LLC | CC-01 | 2018 | Active |
| Drain Flow LLC | CC-01 | 2019 | Active |
| Dream Floors LLC | CC-01 | 2007 | Active |
| Drywall & Painting Const LLC | CC-01 | 2026 | Active |