| Building Northwest LLC | CC-01 | 2018 | Active |
| Buretta Land Solutions LLP | CC-01 | 2022 | Active |
| Burgess Construction | CC-01 | 2021 | Active |
| C & C Builders LLC | CC-01 | 2006 | Active |
| C E C Northwest Inc | CC-01 | 2005 | Active |
| C-Bird Construction LLC | CC-01 | 2022 | Renew by Dec 8, 2026 |
| Cable Mountain LLC | CC-01 | 2022 | Active |
| Cactus LLC | CC-01 | 2022 | Active |
| Campbell Fence Co | CC-01 | 2020 | Renew by Nov 5, 2026 |
| Campbell Homes Inc | CC-01 | 2006 | Active |
| Can Cleanse LLC | CC-01 | 2026 | Active |
| Can Do Handyman LLC | CC-01 | 2019 | Active |
| Canyon Park LLC | CC-01 | 2014 | Active |
| Cap Homes LLC | CC-01 | 2007 | Active |
| Capital Construction Add LLC | CC-01 | 2016 | Active |
| Carey Brothers Rockeries LLC | CC-01 | 2007 | Active |
| Carkeek Construction LLC | CC-01 | 2018 | Renew by Dec 21, 2026 |
| Carmichael Carpentry | CC-01 | 2023 | Active |
| Cascade Drilling NW Inc | CC-01 | 2003 | Active |
| Cascadia Design & Build LLC | CC-01 | 2023 | Active |
| Casm LLC | CC-01 | 2018 | Renew by Nov 16, 2026 |
| Castle Hills Construction LLC | CC-01 | 2025 | Active |
| Cav Glass & Window LLC | CC-01 | 2016 | Active |
| Cayden's Hammer LLC | CC-01 | 2021 | Active |
| CCG Services LLC | CC-01 | 2012 | Active |
| Cedar Craft Sauna | CC-01 | 2026 | Active |
| Cedarbrook Construction LLC | CC-01 | 2021 | Active |
| Centurion Home Services LLC | CC-01 | 2006 | Active |
| Chief Cornerstone Builders LLC | CC-01 | 2026 | Active |
| Chinook Lumber Inc | CC-01 | 2022 | Active |
| Christensen Contracting Inc | CC-01 | 2002 | Active |
| Clearview Const Services LLC | CC-01 | 2023 | Active |
| Clearview Home Craft LLC | CC-01 | 2025 | Active |
| CMC Homes LLC | CC-01 | 2016 | Active |
| CMG Windows & Renovations LLC | CC-01 | 2007 | Active |
| Cochran Construction LLC | CC-01 | 2009 | Active |
| Color & Arches Corporation LLC | CC-01 | 2010 | Active |
| Comer GC Inc | CC-01 | 2020 | Active |
| Commerical Property Maint | CC-01 | 2022 | Active |
| Complete Landscape/ Excvtn Inc | CC-01 | 2014 | Active |
| Conard Construction Inc | CC-01 | 2007 | Active |
| Const GRP International LLC | CC-01 | 2005 | Active |
| Cornerstone Roofing Inc | CC-01 | 1999 | Active |
| Corstone Contractors LLC | CC-01 | 2002 | Active |
| Costa Construction Inc | CC-01 | 1983 | Active |
| CP Construction Services LLC | CC-01 | 2008 | Active |
| Craftsman Roofing & Const Inc | CC-01 | 1998 | Active |
| Cross Valley Construction LLC | CC-01 | 2009 | Active |
| Cruver's Contracting LLC | CC-01 | 2022 | Active |
| Cruver's Garage Door RPR LLC | CC-01 | 2026 | Active |
| CSP Home Services LLC | CC-01 | 2024 | Active |
| Curtis Construction | CC-01 | 1984 | Active |
| Curtis Construction LLC | CC-01 | 2024 | Active |
| D & A Co | CC-01 | 2017 | Active |
| D & B Systems | CC-01 | 2016 | Active |
| D & D Junk Removal Inc | CC-01 | 2023 | Active |
| D & J Custom Designs LLC | CC-01 | 2016 | Active |
| Da Vinci's Hammer Inc | CC-01 | 2000 | Active |
| DAK Construction Services LLC | CC-01 | 2013 | Active |
| Davis Built Homes LLC | CC-01 | 2011 | Active |
| Davison Timber Cutting LLC | CC-01 | 2024 | Active |
| Daza Finish Carpentry LLC | CC-01 | 2008 | Active |
| Daza Landscape LLC | CC-01 | 2015 | Active |
| Delriolandscape LLC | CC-01 | 2026 | Active |
| Devos Excavation LLC | CC-01 | 2024 | Active |
| Dharma Design & Remodel | CC-01 | 2026 | Active |
| Diamond Cross Homes LLC | CC-01 | 2023 | Active |
| Direct Carpet Cleaning & Resto | CC-01 | 2014 | Active |
| Disan Construction LLC | CC-01 | 2023 | Active |
| DMC Excavating & Utilities LLC | CC-01 | 2021 | Active |
| DMM Painting LLC | CC-01 | 2023 | Active |
| Do It Wright Construction Co | CC-01 | 2010 | Active |
| Dream Space LLC | CC-01 | 2017 | Active |
| Dream Turf LLC | CC-01 | 2002 | Active |
| Drywall Finish And Paint LLC | CC-01 | 2025 | Active |
| DT Group Inc | CC-01 | 2012 | Active |
| E&M Home & Design LLC | CC-01 | 2024 | Active |
| Ea Specialty Contractors LLC | CC-01 | 2020 | Active |
| Eagle And Sons HVAC | CC-01 | 2020 | Renew by Nov 5, 2026 |
| Earth First Landscaping Inc | CC-01 | 2021 | Active |
| Earthfirst Excavation Inc | CC-01 | 2013 | Active |
| Eastside Timber & Prop Dev LLC | CC-01 | 2016 | Active |
| Easy Inn Homes LLC | CC-01 | 2017 | Active |
| Eb Building Group LLC | CC-01 | 2011 | Active |
| Ecg Construction LLC | CC-01 | 2026 | Active |
| Ecoworks Homes Inc | CC-01 | 2008 | Active |
| Edb Construction LLC | CC-01 | 2025 | Active |
| Elegant Construction LLC | CC-01 | 2013 | Active |
| Elevate Structure Inc | CC-01 | 2019 | Active |
| Elevated Building Design LLC | CC-01 | 2021 | Active |
| Elite Glass LLC | CC-01 | 2018 | Active |
| Elysian Fields LLC | CC-01 | 2019 | Active |
| Em Property Maint Services LLC | CC-01 | 2018 | Active |
| Emerald Mountain Roofing LLC | CC-01 | 2021 | Active |
| Empire Vue LLC | CC-01 | 2025 | Active |
| Endurance Coatings LLC | CC-01 | 2014 | Active |
| Ep Builders LLC | CC-01 | 2020 | Active |
| Equipment Sales Co Inc | CC-01 | 1999 | Active |
| Essential Fence Center LLC | CC-01 | 2021 | Active |
| Evergreen Seismic LLC | CC-01 | 2018 | Active |