| Creative Home Remodeling Company | RGC + LBPR | 2023 | Active |
| Crestview Green LLC | RGC | 2026 | Active |
| CRG Construction LLC | RGC | 2022 | Active |
| CRM Company LLC | CGC2, RGC | 2018 | Active |
| Cronen Building Co LLC | RGC + LBPR | 2014 | Active |
| Crossland Carpentry LLC | RGC | 2025 | Active |
| Crossover Construction LLC | CGC1, RGC + LBPR | 2021 | Active |
| Crow Handy Construction LLC | RGC + LBPR | 2023 | Renew by Dec 7, 2026 |
| Crown Tile Inc | RGC | 1996 | Active |
| Crows Foot Construction LLC | RGC + LBPR | 2018 | Renew by Dec 13, 2026 |
| Cru Builders Inc | RGC | 2024 | Active |
| Crux Construction LLC | RGC + LBPR | 2017 | Active |
| Crystal Clear Window Cleaning And Gutter Services Inc | RGC | 2025 | Active |
| Cudahy Lumber Company | RGC | 1972 | Active |
| Cunningham Custom Remodels LLC | RGC | 2020 | Active |
| Curren Creative Interiors LLC | RGC | 2022 | Active |
| Current Electrical Construction Company | CGC1, RGC | 1985 | Active |
| Custom Building & Remodeling LLC | RGC | 2008 | Active |
| Custom Built Inc | RGC | 1985 | Active |
| Custom Catios PDX LLC | RGC | 2024 | Active |
| Custom Concept Homes Inc | RGC | 2016 | Active |
| Custom Concrete Construction LLC | RGC | 2012 | Active |
| Custom Painting LLC | RGC | 2006 | Active |
| Custom Quality Homes LLC | RGC | 2010 | Active |
| Custom Sign Co Inc | RGC | 1991 | Active |
| Custom Solutions Inc | RGC | 2004 | Active |
| Cutting Edge Tile And Stone LLC | RGC | 2025 | Active |
| Cutwater Design & Build Solutions LLC | RGC | 2020 | Renew by Dec 28, 2026 |
| Cypress Northwest Construction LLC | RGC | 2026 | Active |
| Cyprus Residential & Commercial Contracting LLC | RGC | 2010 | Active |
| Cyrus Johnson Construction LLC | RGC + LBPR | 2025 | Active |
| D & A Exterior Construction LLC | RGC | 2020 | Active |
| D & A Real Estate LLC | RGC | 2026 | Active |
| D & B Company | CGC2 | 2006 | Active |
| D & D Builders Inc | RGC + LBPR | 2010 | Active |
| D & D Concrete Foundations & Remodeling LLC | RGC | 2024 | Active |
| D & E Roofing & Construction LLC | RGC | 2022 | Active |
| D & L General Construction LLC | RGC | 2023 | Active |
| D & R Roofing LLC | RGC | 2025 | Active |
| D And D Carpet Care LLC | RGC | 2021 | Active |
| D Bar Construction LLC | RGC | 2016 | Active |
| D E Custom Construction LLC | CGC2, RGC + LBPR | 2020 | Active |
| D R B Construction LLC | RGC | 2023 | Active |
| D Union Company Inc | RGC | 2024 | Active |
| D&G Foundation LLC | RGC | 2017 | Active |
| Da Vincis Best Plumbing LLC | CGC2, RGC | 2023 | Active |
| Dagger LLC | RGC | 2024 | Active |
| Daily Design And Construction LLC | RGC | 2015 | Active |
| Dairy Factory LLC | RGC | 2020 | Active |
| Dale Michael General Contractor LLC | CGC2, RGC | 2018 | Active |
| Dam Framers Inc | RGC | 2003 | Active |
| Dan Halli Construction LLC | RGC | 2022 | Renew by Nov 15, 2026 |
| Dan Price Inc | RGC + LBPR | 2010 | Active |
| Daniel J Walker LLC | RGC + LBPR | 2017 | Active |
| Daniel Maust Construction LLC | CGC2, RGC + LBPR | 2016 | Active |
| Danielson Contractors Inc | RGC | 2002 | Active |
| Dante SS Construction LLC | RGC | 2024 | Renew by Nov 25, 2026 |
| Dap Roofing And Construction LLC | RGC | 2024 | Active |
| Darren Singer Consulting LLC | RGC | 2017 | Active |
| Dave Bearson Construction Enterprises Inc | CGC2, RGC | 1977 | Active |
| Dave Rush Construction Inc | RGC + LBPR | 2015 | Active |
| Daves Not Here LLC | RGC | 2026 | Active |
| Daves Painting LLC | RGC + LBPR | 2021 | Active |
| Davey Development LLC | RGC + LBPR | 2020 | Active |
| David Bosnar Construction Inc | RGC | 2009 | Active |
| David Digs LLC | RGC | 2024 | Renew by Nov 23, 2026 |
| David General Contracting LLC | RGC | 2023 | Active |
| David P Carter Construction Inc | RGC + LBPR | 2011 | Renew by Dec 23, 2026 |
| Davis Construction & Excavation LLC | RGC | 2025 | Active |
| Day1 Concrete LLC | RGC | 2021 | Active |
| Dayspring Construction LLC | RGC + LBPR | 2026 | Active |
| DBG Properties LLC | CGC1, RGC | 2014 | Active |
| DBK Painting LLC | RGC + LBPR | 2026 | Active |
| DC Connections LLC | RGC | 2001 | Active |
| Dca Painting & Construction LLC | RGC + LBPR | 2020 | Active |
| Dcy Construction LLC | RGC | 2021 | Active |
| DDTG Construction Inc | CGC2, RGC | 2023 | Active |
| De La Tierra Inc | RGC + CSC2, LBPR | 2005 | Active |
| De Marco Builders Inc | RGC + LBPR | 2018 | Active |
| Deacon Construction LLC | CGC1, RGC + LBPR | 2016 | Active |
| Dead Letter LLC | CGC1 | 2026 | Active |
| Dean Hurford Inc | CGC2, RGC | 1993 | Active |
| Dean Innovations Inc | CGC2, RGC | 2016 | Active |
| Debortoli Construction Company Inc | RGC | 2019 | Active |
| Deck & Fence Creations LLC | RGC | 2018 | Active |
| Deck Masters LLC | RGC + LBPR | 2010 | Active |
| Decked Out Exteriors LLC | RGC | 2023 | Active |
| Decommissions Northwest LLC | RGC | 2007 | Active |
| Dee Creative Enterprises LLC | RGC | 2026 | Active |
| Deep Digs Excavation LLC | RGC | 2024 | Active |
| Deform NW LLC | CGC2, RGC | 2003 | Active |
| Del Pacifico Roofing LLC | RGC | 2020 | Active |
| Delatour Electric, LLC | RGC | 2025 | Active |
| Delta Drilling Solutions LLC | CGC2, RGC | 2018 | Active |
| Delta Painting LLC | RGC + LBPR | 2010 | Active |
| Delta Services Inc | RGC + LBPR | 2013 | Active |
| Deluxe Hvacr LLC | RGC | 2013 | Active |
| Deluxe Pro Painting Heating & Cooling LLC | RGC + LBPR | 2022 | Active |
| Dem Inc | RGC + LBPR | 2026 | Active |
| Demo Dawgs Construction LLC | RGC | 2021 | Active |