| 101 Mobility | B | 2023 | Active |
| A C G Construction Inc | B | 1987 | Active |
| A I M Consolutions Inc | B | 2011 | Active |
| Aether Design | B | 2026 | Active |
| Aguilar & Sons Inc | A | 1999 | Active |
| Alexander Company | B + C17 | 1992 | Active |
| American Honor Builder Inc | B + C36 | 2011 | Active |
| Amherst Inc | A, B + ASB, HAZ | 1994 | Active |
| Annuzzi P L Inc | B | 1991 | Active |
| Antioch Design & Build | B | 2026 | Active |
| Ants Engineers Inc | A, B | 2023 | Active |
| Aoi Group | B + C9 | 2008 | Active |
| Avelar Corp | A, B | 2023 | Active |
| Aztech Maintenance / Development LLC | B | 2017 | Active |
| B G Pacific Construction Inc | B | 2007 | Active |
| Bach Construction Inc | B | 1964 | Active |
| Bay Area Energy Solutions Inc | B | 2009 | Active |
| Bay Area Pools Inc | B + C53 | 1993 | Active |
| Bay Area Window Pros | B + C17 | 2017 | Active |
| Baywest General Builder Corporation | B + C10 | 2023 | Active |
| Beldv Inc | B | 2025 | Active |
| Belvoir Construction Inc | B | 2015 | Active |
| Benjamin Peter & Co Inc | B + C6 | 2026 | Active |
| Better Home Development Inc | B | 2012 | Active |
| Bluebird Company LLC | B | 2013 | Active |
| Build Ur Dream Builders Inc | B + C10, C33, C36 | 2020 | Active |
| Ca-Bolco Construction Co | B + C20, C36 | 2000 | Active |
| Caliber Construction Group Inc | B | 2026 | Active |
| Camino Carpets | B + C15 | 2007 | Active |
| Century Build Group Inc | B | 2025 | Active |
| Cesare J D Construction Inc | A, B + C27, C36 | 1976 | Active |
| Chavez Management Group Inc | B + C33, C36 | 2004 | Renew by Dec 31, 2026 |
| Coit Services Inc | B + C15, D64 | 1996 | Active |
| Community Reconstruction Solutions | B | 1976 | Active |
| Con-Quest Contractors Inc | A, B + C31, C57, HAZ | 2003 | Active |
| Crown Sheet Metal & Skylights Inc | B + C43 | 1984 | Active |
| De La Vega P & C | A, B + C8, C27, C34 +2 | 2010 | Active |
| Dijeau Construction Inc | B | 2007 | Active |
| Discount Plumbing Rooter SD LLC | A + C36 | 2025 | Active |
| Discount Plumbing Rooter Services LLC | A + C36 | 2025 | Active |
| Disney Construction Inc | A, B | 2005 | Active |
| Diviney Construction Inc | B | 2012 | Active |
| Ecc Constructors LLC | A + C21, HAZ | 2018 | Active |
| Ecc Remediation Services | A + C21, HAZ | 1992 | Active |
| Economy Plumbing | A, B + C10, C20, C33 +2 | 1991 | Active |
| Ek Robin Construction | B | 1987 | Active |
| Envision Automation & Electric | B + C10 | 1985 | Active |
| Exaro Technologies Corporation | A + C10, C31, C57 +1 | 2005 | Active |
| Faherty Construction Inc | B | 2015 | Active |
| Feagles T J Construction | B + C10 | 2020 | Active |
| FG Force Construction Inc | B | 2016 | Active |
| Forood Design And Construction Inc | B | 2010 | Renew by Dec 31, 2026 |
| Freemodel Inc | B | 2020 | Active |
| French Touch Construction LLC | B + C27 | 2021 | Active |
| G & B Contractors Inc | B | 1978 | Active |
| G-Max Construction | B | 2021 | Active |
| Galco Construction & Development Inc | B | 2011 | Active |
| Gambrioli Developments Inc | B | 1998 | Active |
| Garibaldi Plumbing Company Inc | A + C16, C36 | 1986 | Active |
| Gary O'Grady Construction Inc | B | 1997 | Active |
| Gattenberger Inc | B | 2013 | Active |
| GB Plumbing & Construction LLC | B + C36 | 2026 | Active |
| GCSF Pavers & Landscape Inc | B + C27 | 2019 | Active |
| Generation Builders Inc | A, B + C10 | 2023 | Active |
| Genesis Home Remodeling Inc | B | 2019 | Active |
| GHS Restoration Inc | B | 2026 | Active |
| Golden Green Landscaping Inc | B + C27 | 1993 | Active |
| Gona Builders Inc | B | 2008 | Active |
| Green Construction Builder Corp | B + C27 | 2010 | Active |
| Hinojosa Roofing Inc | B + C39 | 2020 | Active |
| Home Safety Services, Inc. | B | 1997 | Active |
| Honest General Construction Inc | B | 2007 | Active |
| I Z M C Construction Inc | B | 2011 | Active |
| Ibuild Design And Construction Inc | B | 2023 | Active |
| Ideal Engineering | A | 2015 | Active |
| Iron Rock Construction Inc | B | 2022 | Active |
| J A B Construction/Restoration & Waterproofing/Property Services | B + C33 | 1992 | Active |
| K And M Custom Homes Inc | B | 2017 | Active |
| K W S United Technology Inc | B | 2013 | Active |
| Ka - Bi Construction Inc | B | 2010 | Active |
| Kadon Construction Inc | B | 2016 | Active |
| Keskin Construction | B | 2026 | Active |
| Lindstrom J P Inc | B + C36 | 1999 | Active |
| Maan Global Development | B + HAZ | 2012 | Renew by Dec 31, 2026 |
| Magalong Construction Inc | B | 2001 | Active |
| Marchetti Group | B | 2014 | Active |
| MC Gowan Builders Inc | B + C8 | 2010 | Active |
| McLaren Electric Inc | B + C10 | 2026 | Active |
| Method Remodeling Inc | B | 2023 | Active |
| Mid Peninsula Management Inc | B | 2000 | Active |
| Miller Otto Development Inc | B | 2014 | Active |
| MTW Builders Inc | B + C10, C36, C39 | 2012 | Active |
| Muldowney Custom Homes Inc | B | 1999 | Active |
| Murnane Construction Inc | B | 1988 | Active |
| Noble Construction Services LLC | B | 2021 | Active |
| O'Dwyer Construction Inc | B | 2004 | Active |
| O'Neil Engineering Inc | A, B | 2025 | Active |
| O'Toole Construction Inc | B + C8 | 2017 | Active |
| Owens Electric & Solar | B + C10 | 1984 | Active |
| P M C Builders Inc | B | 1999 | Active |