| 1 St California Construction Inc | A, B | 2004 | Active |
| 2 - Big Crew Construction | B | 2008 | Active |
| 2h2n Construction Inc | B | 2026 | Active |
| A G O Construction | B | 2017 | Active |
| Abbott Construction LLC | B | 1986 | Active |
| Access Pacific Inc | A, B | 2009 | Active |
| Acco Engineered Systems | A, B | 1950 | Active |
| Acco-Wilson, Inc | B | 2018 | Active |
| Ada Compliance Professionals Inc | B | 1987 | Active |
| Adept Building And Construction | B | 1995 | Active |
| Adh Construction Services | B | 2021 | Active |
| Aes Industrial Inc | A, B | 2019 | Active |
| Air Conditioning Company Inc | B | 2003 | Active |
| Allen Development Corporation | B | 2024 | Active |
| Allo Construction Co | B | 1996 | Active |
| American Craftsmen Corporation | B | 1998 | Active |
| American General Constructors | B | 2004 | Active |
| Amia Construction Group | B | 2026 | Active |
| Analog Construction | B | 2019 | Active |
| Apec Group Inc | B | 2010 | Active |
| Argent Development And Construction Inc | B | 2020 | Active |
| Argmex Building Inc | B | 2026 | Active |
| Array Energy Corp | A, B | 2026 | Active |
| Arroyo Squared Builders Inc | B | 2024 | Active |
| Atelier Development Company Inc | B | 2004 | Active |
| Atp Development & Construction | B | 2022 | Active |
| Austin Contracting & Associates Inc | B | 2005 | Active |
| Avila Equity Company | B | 2024 | Active |
| B C A Builders Inc | B | 2025 | Active |
| Bilden Corp | B | 2018 | Active |
| Birdseye Construction Inc | B | 2026 | Active |
| Bluewater Construction Services Inc | B | 2023 | Active |
| Bonadiman Pacific Surveying | A, B | 1991 | Active |
| Boston Brick & Stone Inc | B | 2000 | Active |
| Bright Way Construction Inc | B | 2022 | Active |
| Bronzeville Inc | B | 2004 | Active |
| C G R Development | B | 2006 | Active |
| C W Driver Incorporated | B | 1935 | Active |
| C W Driver LLC | B | 2015 | Active |
| C W S Systems Inc | A, B | 2004 | Active |
| Cal Group Construction Inc | B | 2023 | Active |
| California Sure Structure LLC | B | 2007 | Active |
| Cambuild Constructions | B | 2015 | Active |
| Cantwell-Anderson Inc | B | 1990 | Active |
| Charles Pankow Builders LTD | A, B | 1994 | Active |
| China World Construction Inc | B | 2023 | Active |
| Chisel And Tool | B | 2007 | Active |
| Choulee Build | B | 2014 | Active |
| Churchill General Construction | B | 2024 | Renew by Nov 30, 2026 |
| City Constructors Inc | B | 2004 | Active |
| Coleman Brad Construction Inc | B | 1982 | Active |
| Construction Project Management Inc | B | 1981 | Active |
| Construction Specialties LTD | B | 1986 | Active |
| Cornerstone Company Construction & Development | B | 2008 | Active |
| Creative Environments Inc | B | 1995 | Active |
| Crescenta Valley Engineering Inc | A, B | 1988 | Active |
| Current Designed & Built | B | 2022 | Active |
| D M General Construction Inc | B | 2016 | Active |
| Dacotah Builders LLC | B | 2026 | Active |
| Delaware Pacific Builders Inc | B | 2024 | Active |
| Delterra Real Estate Services Inc | B | 1996 | Active |
| Deluxe Dwelling | B | 2025 | Active |
| Desosi Built Inc | B | 2014 | Active |
| Dimit L E Plumbing And Heating Co | B | 1966 | Active |
| Dischman Construction Management Inc | B | 2019 | Active |
| Dkal Construction Inc | B | 2015 | Active |
| Dorado Design And Construction Inc | B | 2000 | Active |
| Dreamliner Construction Inc | B | 2024 | Active |
| Driver Project 1150 LLC | B | 2019 | Active |
| Driver S P G LLC | B | 2011 | Active |
| DTP Builders | B | 2023 | Active |
| E Vazquez Construction Inc | B | 2020 | Active |
| El Lay Construction | B | 2021 | Active |
| Environmental 911 | B | 1999 | Active |
| Equator Construction Inc | B | 2023 | Active |
| Etech Electric | B | 1998 | Active |
| Eye For Detail Inc | B | 2002 | Active |
| Fish Construction Co Inc | B | 1971 | Active |
| Fisher Raingutter Systems | B | 2021 | Active |
| Fixamax | B | 2016 | Active |
| Foothill Lock & Key Inc | B | 2012 | Active |
| Formix Construction Inc | B | 2026 | Active |
| Fortanasce Construction & Development Inc | B | 2008 | Active |
| Funky East Design Inc | B | 2025 | Active |
| G - Rod Construction Inc | B | 2019 | Active |
| G B C Commercial And Residential Builders Inc | B | 2008 | Active |
| G G & M Construction Inc | B | 1992 | Active |
| Gaunty Construction Corp | B | 2022 | Active |
| GDF Corporation | B | 2015 | Active |
| Geo Forward Engineering Contractor | A, B | 2016 | Active |
| Geo H Wilson Mechanical Contractors | B | 2010 | Active |
| GMJ Construction Services Inc | A, B | 2025 | Active |
| Godeal Inc | B | 2022 | Active |
| Golden Construction Services Inc | B | 2007 | Active |
| Golden Lion Construction | B | 2017 | Active |
| Goodwin Construction LLC | B | 2024 | Active |
| Grid Construction Inc | B | 2024 | Active |
| Ground Breaking Construction Services LLC | B | 2017 | Active |
| Guinart Construction Engineering | A, B | 2006 | Active |
| H D E Z Builders Inc | B | 2017 | Active |