| Agp Construction LLC | A, B | 2019 | Active |
| Alfa & Omega Construction & Remodeling Inc | B | 2024 | Active |
| American Eagle Construction & Maintenance | B | 2026 | Active |
| American Pacific Windows And Construction Inc | B | 2021 | Active |
| Amrut Construction LLC | B | 1999 | Active |
| Ams Construction Services | B | 2013 | Active |
| An Construction Inc | B | 2026 | Active |
| Arcvista Construction | B | 2026 | Active |
| Arista Exteriors | B | 2026 | Active |
| Best Forever Construction Company | B | 2011 | Active |
| Black Mountain Development | B | 1990 | Active |
| Blocka Construction Inc | A, B + C10, C20 | 1993 | Active |
| Blue Oak Builders Inc | B | 1989 | Active |
| Blueline Associates Inc | B | 1997 | Active |
| Bugler Construction | A, B + HAZ | 1997 | Active |
| BW Home Renovations LLC | B | 2026 | Active |
| Cal Coast Window & Door Inc | B | 2025 | Active |
| Califer Construction | B | 2021 | Active |
| California Engineering Contractors Inc | A | 1972 | Active |
| California Engineering Contractors Inc / Silverado Contractors | A | 2012 | Active |
| Cardinal Builder Inc | B | 2019 | Active |
| Caspersen C P Construction Corporation | B | 1988 | Active |
| Cec - Shimmick Joint Venture | A, B + C10, C33, C36 +1 | 2025 | Active |
| Cec-Disney Joint Venture | A, B | 2025 | Active |
| Cec-Golden State JV | A | 2026 | Active |
| Cell Contracting Services | B + C7, C10 | 2007 | Active |
| Central Petroleum Maintenance | A + D40 | 1986 | Active |
| Cold Room Solutions Inc | B + C38 | 2001 | Active |
| Colevan Electric Inc | B + C10, C20 | 2005 | Active |
| Commercial Maintenance Management Services Inc | B | 2025 | Active |
| Crescent Engineering & Construction Inc | A, B | 2017 | Active |
| Custom Exteriors Inc | B + C17 | 2000 | Active |
| Cypress Contracting Corp | B | 2010 | Active |
| D B General Contracting Inc | B | 1996 | Active |
| D S P Construction Inc | B | 1998 | Active |
| Debernardi Development Inc | B + C17 | 1990 | Active |
| Design & Building Systems LLC | B | 2025 | Active |
| Diamond Edge Construction Inc | B | 1999 | Active |
| Dle Construction | A | 2025 | Active |
| Eastbay Remodeling & Improvements Corp | B2 | 2024 | Active |
| Endeavor Engineering Inc | B | 2026 | Active |
| Expedient Constructions Inc | B | 2021 | Active |
| Exquis Innovations | B | 2017 | Active |
| Finest-Builders | B | 2025 | Active |
| First Edison | B + C10, C46 | 2016 | Active |
| Fitch Electric Inc | B + C10 | 2020 | Active |
| Flanders Heat And Air Systems Inc | B + C4, C20, C36 | 1993 | Active |
| Folsom Dam Constructors JV | A, B + C10, C20, C33 +2 | 2023 | Active |
| Gateway Landscape Construction Inc | A + C27 | 2026 | Active |
| Geo Grout Ground Modification Specialist Inc | A | 2012 | Active |
| Golden Coast Building Inc | B | 2026 | Active |
| Green Growth Industries Inc | A + C27, D49, D59 | 1993 | Active |
| Green Valley Build Inc | B | 2021 | Active |
| Hirst Shafer Construction And Development | B | 2023 | Active |
| Honeydo Handypersons | B | 2024 | Active |
| Hydabrek Construction Inc | B | 1991 | Active |
| International Swim Center-2026 LLC | A, B + C53 | 2025 | Active |
| J P A Landscape & Construction Inc | B + C27 | 1996 | Active |
| J R M General Contractor Inc | B + C9 | 2014 | Active |
| K R T Inc | B + C35 | 1998 | Active |
| Kaelin Construction Inc | B | 2009 | Active |
| Kitchen Experts Of Pleasanton LLC | B | 2023 | Active |
| Konshion Construction Inc | B | 2019 | Active |
| Koto Construction | B | 2021 | Active |
| L & O Construction Renovation Corp | B | 2026 | Active |
| L J M Construction Inc | B | 2019 | Active |
| La Roza Construction Inc | B | 1998 | Active |
| Lutz Construction Services Inc | B | 1992 | Renew by Dec 31, 2026 |
| M & M Foundation & Drilling Inc | A | 2008 | Active |
| M Builders LLC | B + C33, D38 | 2006 | Active |
| M H S Solutions | B | 2022 | Active |
| M L C Ventures Inc | B | 2008 | Active |
| M T S Electric Inc | B + C10, C33 | 2010 | Active |
| M5 Services LLC | B | 2023 | Active |
| Marina Plumbing Company | B + C16, C36, C42 | 1984 | Active |
| Maven Homes LLC | B | 2024 | Active |
| MD Construction & Mep Services Inc | B + C5, C10, C36 | 2026 | Active |
| Mdesign Remodeling Inc | B | 2024 | Active |
| Metcon Ti, Inc. | B | 2012 | Active |
| Mickelson Construction Inc | B | 2001 | Active |
| Mj12 Corp | B | 2010 | Active |
| Molina's Construction Inc | B | 2026 | Active |
| Morgenroth Development Inc | B | 1995 | Active |
| Mrakovcich Michael D Inc | B | 2005 | Active |
| Nextech Security Solutions | A, B + C10 | 2019 | Active |
| Nuvera Construction Inc | B | 2013 | Active |
| O'Neil W E Construction Co Of Norcal | B | 2023 | Active |
| Oculis LLC | B | 2021 | Active |
| Olwin Landscape Design & Construction Inc | B + C27 | 1998 | Active |
| Orea | B | 2004 | Active |
| Otter Construction | A, B + ASB, C16, HAZ | 1996 | Active |
| Pacific Infrastructure | A, B + HAZ | 2001 | Active |
| Pedigo & Company | B + C13 | 2010 | Active |
| Ponderosa Homes II Inc | B | 1998 | Active |
| Premier Windows And Doors | B | 2011 | Active |
| Protection Contracting Inc | B + C10, C16 | 2014 | Renew by Dec 31, 2026 |
| Pulte Home Company LLC | B | 2017 | Active |
| Pulte Homes Of California Inc | B | 2016 | Renew by Dec 31, 2026 |
| Pyt Construction Corp | B + C10 | 2008 | Active |
| RC Residential Construction Inc | B | 2026 | Active |