| 3g Carpentry Inc | B | 2019 | Active |
| Aboveboard Construction Inc | B | 2017 | Active |
| Acker Construction And Associates Inc | B | 2002 | Active |
| Allterra Solar | A, B + C46 | 2004 | Active |
| Arroyo Brothers Construction LLC | B | 2024 | Active |
| Avila Design Build Inc | B + C54 | 1991 | Active |
| Barc Architecture | B | 2014 | Renew by Nov 30, 2026 |
| Bee Clene Restoration | B | 2003 | Active |
| Bensiek Builders Inc | B | 2025 | Active |
| Bigfoot Homes Inc | B + C47 | 2024 | Active |
| Blue Sky Development And Construction LLC | B | 2026 | Active |
| Boa Constructor Building And Design Inc | B | 1988 | Active |
| Bogard Construction Inc | B | 1960 | Active |
| Boyd Pacific Construction Inc | B | 2025 | Active |
| Branagan Builders Inc | B | 2011 | Active |
| Brokaw M Lee General Contractor Inc | B | 1988 | Active |
| Buckeye Natural Builders LLC | B | 2022 | Active |
| Builders Collective The | B | 2018 | Active |
| Burros Building Inc | B | 2021 | Active |
| Cabo Builders Inc | B | 2022 | Active |
| Canter Construction Inc | B + C10 | 2019 | Active |
| Cardinal Construction | B | 1998 | Active |
| CB Builders Inc | B | 1999 | Active |
| Cen - Con Inc | B | 1985 | Active |
| Certura LLC | B | 1991 | Active |
| Coast Concrete Inc | B + C8 | 1978 | Active |
| Commons & Burt Builders Inc A Ca Corporation | B | 1994 | Active |
| Conley Construction | A | 2004 | Active |
| Cormorant Fine Craftsmen LLC | B | 2007 | Active |
| Crestline Construction LLC | A | 2026 | Active |
| Cutting Edge Remodeling Inc | B | 1992 | Active |
| Cypress Construction Services Inc | B | 1998 | Active |
| Day One Solar Inc | B + C10, C46 | 2013 | Active |
| Dogerty Construction Inc | B + C8 | 1988 | Active |
| Don Hays Builder Inc | B | 2009 | Active |
| Dreamscape | B + C27 | 2001 | Active |
| Dueck Bros Gneral Engineering Contractors | A | 2023 | Active |
| Duran Inc | B | 2022 | Renew by Dec 31, 2026 |
| Ecology Action Works | B + C10 | 2013 | Active |
| Ed Oreb And Son Construction Inc | B + C8 | 2002 | Active |
| Empire Construction & Consulting Inc | B | 1995 | Active |
| Empire Grading & Excavation Inc | A, B | 2025 | Active |
| Forshner Dan Construction Inc | B | 1990 | Active |
| Frog And Toad Carpentry LLC | B | 2026 | Active |
| Goodenough Underground | A | 2003 | Active |
| Gpi Builders Inc | B + C10, C29 | 2019 | Active |
| Graham Jason Construction Inc | B | 2024 | Active |
| Grizzinc Builders | B | 2004 | Active |
| Halcyon Days Construction Inc | B | 2025 | Active |
| Hansen Building Inc | B | 2014 | Active |
| Hansmann Construction Inc | B | 2012 | Active |
| Hartje James Construction Inc | B | 1985 | Active |
| Hernan Kevin Construction Inc | B | 2008 | Active |
| Herry Dave Construction & Development Inc | B | 1988 | Active |
| Horn David R Construction Inc | B + C39, C43 | 1978 | Active |
| Howland Built Inc | B | 2005 | Active |
| Intellifac Services LLC | B | 2021 | Active |
| J&P Construction | B | 2025 | Active |
| JB Building & Sons Inc | B | 2018 | Active |
| JMC & Associates | B | 1999 | Active |
| Joby Aero Inc | B + C8 | 2020 | Renew by Nov 30, 2026 |
| Joseph Evans Construction | B | 2006 | Active |
| KC Builders Group Inc | B | 2016 | Active |
| Kriege Construction Inc | B | 2000 | Renew by Nov 30, 2026 |
| Kuck Construction Inc | B | 2009 | Renew by Dec 31, 2026 |
| Lane Todd Pool & Spa Inc | B + C53 | 1993 | Active |
| M Construction Corp | B | 2023 | Active |
| M G Custom Builders Inc | B | 2005 | Active |
| McKinnon Construction Inc | B | 2002 | Active |
| Meschi Construction Inc | B | 2001 | Active |
| Milne Design And Build Inc | B | 1986 | Active |
| Milrod Construction Inc | B | 1988 | Active |
| Monarch Creative Developers | B | 2019 | Active |
| Musitelli W L Inc | B | 1987 | Active |
| MXM Coast Construction Inc | B | 2021 | Active |
| Mynt Systems Inc | B + C10, C46 | 2015 | Active |
| Nielsen Architects Inc | B | 2024 | Active |
| Normington Builders Inc | B | 2010 | Active |
| North Coast Remediation Inc | B | 2013 | Active |
| Old Coast Construction | B | 2022 | Renew by Nov 30, 2026 |
| On Point Design And Build | B | 2006 | Active |
| Orlando Construction Inc | B | 2012 | Active |
| Overton Construction Inc | A | 2021 | Active |
| Pacific Exterior | B | 2001 | Active |
| Pavement Data Group Inc | A + C32 | 2009 | Active |
| Phil Duran Construction LLC | B | 2020 | Active |
| Probuild Remodeling LLC | B | 2026 | Active |
| Ransone Construction Inc | B + C21 | 1988 | Active |
| Reber Construction Company Inc | A | 1984 | Active |
| Resendiz Verbraken Builders | B | 2019 | Active |
| Riveras Construction Inc | B | 2024 | Active |
| Rogers Tom Construction Inc | B | 1988 | Active |
| Rose Construction Inc | B | 1991 | Active |
| S L R Construction Inc | B | 2005 | Active |
| Sandbar | B + C10 | 2004 | Active |
| Santa Cruz Building & Design | B | 2026 | Active |
| Santa Cruz Construction Experts | B | 2018 | Renew by Dec 31, 2026 |
| Santa Cruz County Builders Inc | B | 1994 | Active |
| Santa Cruz Design + Build | B | 2000 | Renew by Dec 31, 2026 |
| Santa Cruz Green Builders Inc | B + C10 | 2008 | Active |