| Advantage Petroleum Service Inc | CGC2 | 2005 | Active |
| Aef Enterprises LLC | RGC | 2026 | Active |
| Af Hoesly Inc | RGC | 2009 | Active |
| Affinity Construction LLC | RGC | 2020 | Active |
| Affirm Construction LLC | RGC | 2026 | Active |
| Affordable Restaurant Hoods Sales & Installation Inc | CGC1, RGC | 2013 | Active |
| Aforma LLC | RGC + LBPR | 2018 | Renew by Nov 21, 2026 |
| Aftermath Interior Contractors LLC | RGC + CSC2 | 2019 | Active |
| Ag General Contractor LLC | RGC | 2023 | Active |
| Ag Ramos Framing LLC | RGC | 2024 | Active |
| Ag Remodeling LLC | RGC | 2018 | Active |
| Age Commercial Interiors LLC | CGC2 | 2019 | Active |
| Aguila Construction LLC | RGC | 2020 | Active |
| Ahs Construction LLC | RGC | 2025 | Active |
| Aico LLC | RGC | 2026 | Active |
| Air Comfort Heating LLC | CGC1, RGC | 2025 | Active |
| Air Heating & Cooling LLC | RGC | 2022 | Renew by Dec 9, 2026 |
| Air Pro Heating & Air Conditioning Inc | RGC | 1991 | Active |
| Aitech Build & Paint LLC | CGC2, RGC | 2021 | Active |
| Ajs Handyman Service PDX LLC | RGC | 2026 | Active |
| Ajs Remodel & Repair LLC | RGC | 2025 | Active |
| Aki Energy Assessment And Retrofit LLC | RGC | 2026 | Active |
| Akos Construction LLC | RGC + LBPR | 2013 | Active |
| Alameda Electric LLC | CGC2, RGC | 2013 | Active |
| Alans Home Solutions LLC | RGC + LBPR | 2018 | Active |
| Alar Flooring & Remodeling LLC | RGC | 2026 | Active |
| Alarm Tracks Inc | RGC | 2007 | Active |
| Alb Construction LLC | RGC | 2008 | Active |
| Alberta Construction LLC | RGC | 2026 | Active |
| Alcantar Drywall LLC | RGC | 2025 | Active |
| Aldercrest Development Inc | RGC | 1990 | Active |
| Aleph Veenhuizen LLC | CGC2, RGC + LBPR | 2023 | Active |
| Alert Home Services LLC | RGC | 2026 | Active |
| Alex Consulting Construction Services LLC | CGC2, RGC + LBPR | 2018 | Active |
| Alex Donnelly LLC | RGC + LBPR | 2022 | Active |
| Alex Pro Painting LLC | RGC | 2025 | Active |
| Alf Solutions LLC | RGC | 2012 | Active |
| Algonquin Construction Inc | CGC2 | 1998 | Active |
| Aligned Home Solutions LLC | RGC + LBPR | 2022 | Active |
| Alko Weatherproofing, LLC | RGC | 2025 | Active |
| All About Painting PDX LLC | RGC | 2025 | Active |
| All About Repair Inc | RGC | 2023 | Active |
| All Action Construction & Cleaning LLC | RGC | 2023 | Active |
| All American Painting LLC | RGC + LBPR | 2024 | Active |
| All Brothers Contracting LLC | RGC + LBPR | 2025 | Active |
| All City Exteriors LLC | RGC | 2024 | Active |
| All Custom Tile & Design LLC | RGC | 2019 | Active |
| All In One Mobility Incorporated | CGC2, RGC | 2005 | Active |
| All Phase Restoration & Remodeling LLC | CGC2, RGC | 2011 | Active |
| All Roofing Eagle Construction Inc | CGC2, RGC | 2005 | Active |
| All Season Express LLC | RGC | 2026 | Active |
| All Season Windows LLC | CGC2, RGC + LBPR | 2004 | Active |
| All Seasons Construction LLC | RGC | 2017 | Active |
| All Seasons Hardwood Floors LLC | CGC2, RGC | 2007 | Active |
| All Seasons Painting And Remodeling LLC | RGC + LBPR | 2020 | Active |
| All Service Painting Inc | CGC2, RGC | 1994 | Active |
| All Services NW LLC | RGC | 2024 | Active |
| All Surfaces Inc | RGC | 2021 | Active |
| All Weather Home Remodeling Co Inc | RGC | 1978 | Active |
| Alldredge Homes LLC | RGC | 2026 | Active |
| Allers Remodeling LLC | RGC | 2018 | Active |
| Alliance Construction Services LLC | RGC | 2014 | Active |
| Alliant Systems LLC | CGC2 + RSC | 2002 | Active |
| Allied Systems Northwest LLC | CGC2, RGC | 2018 | Renew by Dec 6, 2026 |
| Allstone Inc | RGC | 1997 | Active |
| Alpenglow Construction Co | RGC + LBPR | 2010 | Active |
| Alpha Garage Doors LLC | RGC | 2018 | Active |
| Alpha Quality Concrete LLC | RGC | 2018 | Active |
| Alpha Strong Construction Inc | CGC2, RGC + LBPR | 2025 | Active |
| Alpha Wood Floors LLC | RGC | 2021 | Active |
| Alpine Edge Carpentry LLC | RGC | 2025 | Active |
| Also Construction LLC | CGC2, RGC | 2020 | Active |
| Altamira Wood Floors LLC | RGC + CSC2 | 2004 | Renew by Nov 29, 2026 |
| Alternative Drywall LLC | CGC2, RGC + LBPR | 2008 | Active |
| Altree Systems LLC | RGC | 2007 | Active |
| Altura Construction NW LLC | CGC2, RGC | 2026 | Active |
| Alumaverse Inc | RGC | 2026 | Active |
| Alvar Cabinets LLC | RGC | 2024 | Active |
| Alvarez Construction 1 LLC | CGC2, RGC | 2011 | Active |
| Always Faithful Construction LLC | RGC + LBPR | 2012 | Active |
| Amazon Services Inc | CGC2 | 1992 | Active |
| American Backflow & Plumbing Services Inc | RGC | 2020 | Active |
| American Construction Contractors LLC | RGC | 2015 | Active |
| American Investment LLC | CGC2 | 2026 | Active |
| Americaroof And Contractor LLC | RGC | 2026 | Active |
| Americas Concrete Foundations LLC | RGC | 2019 | Active |
| Americlean Inc | RGC | 2024 | Active |
| Ammok General LLC | RGC | 2021 | Renew by Nov 26, 2026 |
| Ampers LLC | CGC2, RGC + LBPR | 2019 | Active |
| Ampm Pro Construction LLC | RGC | 2026 | Active |
| Anaptiso Communities Of Oregon LLC | RGC | 2025 | Active |
| Anc Home Solutions LLC | RGC | 2026 | Active |
| Anchor Property Solutions LLC | RGC | 2025 | Active |
| Anctil Heating & Cooling LLC | CGC2, RGC | 2023 | Active |
| Anders Construction LLC | RGC + LBPR | 2025 | Active |
| Andersen Construction Company LLC | CGC1 | 2017 | Active |
| Andersen Construction Company Of Idaho LLC | CGC1 | 2017 | Active |
| Andersen Construction Company Of Oregon LLC | CGC1 | 2017 | Active |
| Andersen Construction Company Of Washington LLC | CGC1 | 2017 | Active |
| Anderson Roofing Co Inc | CGC1 | 1972 | Active |