| A - 1 Restoration Inc | B + C33 | 1992 | Active |
| A K Construction Enterprises Inc | B | 2004 | Active |
| Acon Builders Construction Inc | A, B | 1992 | Active |
| Ag Custom Home Remodeling And Repairs | B2 | 2026 | Active |
| Alcor Building Solutions LLC | B | 2025 | Active |
| All Forms Inc | A, B + C8 | 1986 | Active |
| Alosi Concrete Inc | B + C8, C10 | 1991 | Active |
| Ameera Enterprises Inc | B | 2009 | Active |
| Apex Mechanical Inc | B + C20, C43 | 2005 | Active |
| Aquatic Technology Pool & Spa | B + C53 | 1996 | Active |
| Ara Construction LLC | B | 2025 | Active |
| Argon Construction Inc | B | 1987 | Active |
| Aria Custom Home Builders Inc | B | 2019 | Active |
| Bailey Plumbing Incorporated | A + C10, C36 | 2018 | Active |
| Bannister Custom Homes Inc | B | 1999 | Active |
| Bay Area Plus Landscaping Inc | B + C27 | 2020 | Active |
| Benz Construction Inc | A | 1987 | Active |
| Bhooma Inc | B | 2022 | Active |
| BLS Electrical Construction Inc | A, B + C10 | 2020 | Renew by Dec 31, 2026 |
| Blue Ladder General Construction Inc | B | 2024 | Active |
| Bobcat Builders Inc | B | 2026 | Active |
| Brannon P Corporation | A + C21, HAZ | 2010 | Active |
| Builders Of The Bay Inc | B | 2018 | Active |
| Buildkom Construction Co | A, B | 2020 | Active |
| C & D Freitas Construction Inc | B | 1973 | Active |
| Cantanoz Construction | B | 2024 | Active |
| Carlson Management And Construction Inc | B | 2022 | Active |
| CB Process Corporation | B | 2011 | Active |
| Ceballos Sid Construction Inc | B + C8, C27 | 2002 | Renew by Nov 30, 2026 |
| Chiringo Construction Inc | B | 2019 | Active |
| Cottas Builders Inc | B | 2020 | Renew by Nov 30, 2026 |
| Craft Builders Construction | B + C10, C39 | 2015 | Active |
| Creative Building Solutions Inc | B | 2008 | Active |
| Custom One Inc | B + C8 | 1988 | Active |
| D & C Builders Unlimited | B | 1984 | Active |
| D F H Enterprises Inc | B | 1993 | Active |
| D R Domenichini Construction Inc | B | 2004 | Active |
| Deharo Construction | B + C20 | 2006 | Active |
| Dividend Homes Inc | B | 1994 | Renew by Nov 30, 2026 |
| Dream Builders And Design Inc | B | 2015 | Active |
| Endeavor Energy Inc | B + C10 | 2025 | Active |
| Esquives General Contracting Inc. | B + C9 | 2019 | Active |
| Farcon Builders Inc | B | 2017 | Active |
| Fardig Construction Company Incorporated | B | 2004 | Active |
| Fascon Construction Inc | B | 2023 | Active |
| Flashback Electric & Construction Inc | B + C10 | 1997 | Active |
| Ft Builders Inc | B | 2020 | Active |
| G B Group Inc The | B + C33 | 1993 | Active |
| G N B Builders Inc | B | 2003 | Active |
| G R S Construction Group Inc | B | 2017 | Active |
| G32 Construction & Development | B | 2023 | Active |
| Genesis One Group Inc | B + C39 | 2010 | Active |
| Giancola Joe Construction Inc | B | 1995 | Active |
| GK Builders General Contracting Inc | B | 1991 | Active |
| Gmu Construction Inc | A | 2014 | Active |
| Great Oak Construction | B + C9 | 1989 | Active |
| Gutco General Engineering Inc | A | 2025 | Active |
| Irish Excavation | A, B + C12, HAZ | 2021 | Active |
| J & M Maintenance & Remodeling Inc | B + C36 | 2013 | Active |
| J T H Construction | B | 2016 | Active |
| JGR Construction Inc | B + C10 | 2010 | Active |
| JLS Builders Inc | B | 2026 | Active |
| K & S Steel | B + C51 | 2017 | Active |
| L W G Construction Inc | B | 1997 | Active |
| Lazzarini Construction Inc | B | 1998 | Active |
| Leisure Living And Design Inc | B | 1997 | Active |
| Liberty Builders Inc | B | 2025 | Active |
| Logic Build Inc | B | 1990 | Active |
| Lua's Construction & Facilities | B + C8, C27 | 2003 | Active |
| M B L - Energy | B + C8, C10 | 2004 | Active |
| M G Constructors & Engineers Inc | A, B | 1992 | Active |
| M R Meek General Contractors | B | 1994 | Active |
| Mason Hammer Builders Inc | B | 2009 | Active |
| Master Carpentry Inc | B | 1991 | Active |
| Maverick Building Group Inc | B | 2016 | Active |
| McLaughlin | B + C9, C33 | 1990 | Active |
| Merlin Construction Inc | B | 2023 | Active |
| Mingyang Builders LLC | B | 2023 | Active |
| MJR Building Company Inc | B | 1977 | Active |
| Modern Design Construction | B | 2016 | Active |
| Morgan Hill J E T Electric Inc | B + C10 | 1977 | Active |
| MTD Drywall Inc | B + C5, C9, D50 | 2001 | Active |
| Muhn & Sons Inc | B | 2005 | Active |
| New Century Framing Inc | B | 2024 | Active |
| No Limit Construction Inc | B | 2025 | Active |
| Occidental Builders Inc | B | 2026 | Active |
| P S I Development Co | B | 1987 | Active |
| Paragon Mechanical Inc | B + C20, C36, C43 | 1986 | Active |
| Perry Dave Construction Inc | B | 2024 | Active |
| Portola Valley Builders Inc | B | 2011 | Active |
| Price Phillip Construction | B | 1986 | Active |
| Quadrini Construction Inc | B | 2005 | Active |
| Right Angle Builders Inc The | B | 2007 | Active |
| S K C Construction Services LLC | B | 2023 | Active |
| S W R Builders Inc | B | 1974 | Active |
| Sam Peters Construction LLC | B | 1988 | Active |
| Serrano Electric Inc | B + C10 | 1987 | Active |
| Silicon Valley Builders Inc | B + C54 | 2025 | Active |
| Silva Custom Construction Inc | B | 2009 | Active |
| Silver Creek Electric | B + C10 | 2007 | Active |