| Geico Builders Inc | B | 2023 | Active |
| Gen - Tech Construction Inc | B | 1985 | Active |
| General Building Corporation | B | 2024 | Active |
| Giant Construction Inc | B | 2024 | Active |
| Gil Ramirez Construction | B | 2023 | Active |
| Gilmore P Construction Inc | B | 1983 | Active |
| Gly Construction Inc | B | 2010 | Active |
| GM Ironwood Construction Inc | B | 2024 | Active |
| Golden Builder Corp | B | 2018 | Active |
| Gomez DV Construction Inc | B | 2024 | Active |
| Good Home Professional Construction | B + C7, D52 | 2020 | Active |
| Grand Industries Inc | A, B | 2000 | Active |
| Greytower General Contractors | B + C10 | 2014 | Active |
| Grid Alternatives | B + C10, C46 | 2005 | Active |
| Grizzly Builders Inc | B | 2016 | Active |
| Guardian Construction | B | 2022 | Active |
| GW Engineering Contractors Inc | A | 2016 | Active |
| H & L Pro Construction Inc | B | 2020 | Active |
| Habitat For Humanity East Bay/Silicon Valley Inc | B | 1995 | Active |
| Hamilton D W Construction Company | B | 2008 | Active |
| Happy Bay Construction Inc | B | 2023 | Active |
| Hartwig Builds Inc | B | 2024 | Active |
| HBM Construction Inc | B | 2022 | Active |
| Heisler Rod Construction & Management Inc | B | 2014 | Active |
| High Level Construction And Painting Inc | B + C33 | 2021 | Active |
| Hirano Construction Inc | B | 1997 | Renew by Nov 30, 2026 |
| HK Skyline Construction | B | 2026 | Active |
| HMH Joint Venture | A, B + C21, C27, C31 +1 | 2025 | Active |
| Hofman Builders LLC | B + C10 | 2010 | Active |
| Holbrook House Restoration LLC | B | 2023 | Active |
| Home Extend | A, B | 2023 | Active |
| Horizon Renovation | B | 2014 | Active |
| Howell Design And Build LLC | B | 2025 | Active |
| Huerta Construction Inc | B + C33 | 2022 | Active |
| Hunt C R Building & Design Inc | B | 2000 | Active |
| HVAC Panda Home Wizards Remodeling & Construction | B + C20 | 2022 | Active |
| Hyperion Design & Build | B | 2021 | Active |
| I C D Construction | B | 2019 | Active |
| Imx Inc | A, B + ASB, C21, C57 +1 | 1988 | Active |
| Innovative Building Inc | B | 2015 | Active |
| J C P Construction Inc | B | 2007 | Active |
| J C Prospective Construction Inc | B | 2022 | Active |
| J D W Enterprises Inc | B | 2000 | Active |
| J U V Inc | B | 2008 | Active |
| J&G Development And Restoration | B | 2024 | Active |
| JBD Builders | B | 2025 | Active |
| Jem General Builders Inc | B | 2022 | Active |
| Jerome And Horner Sheet Metal Inc | B + C43 | 2004 | Active |
| JJC Remodeling And Maintenance | B2 + C10, C33 | 2023 | Active |
| Jkl-Bbi | B | 2025 | Active |
| Jme Remodeling Inc | B | 2024 | Active |
| Joe's Construction Inc | B + C15, C17 | 2023 | Active |
| Joinery Structures | B + C6 | 2020 | Active |
| Jos Construction Inc | B | 2023 | Active |
| JP Gorilla Home Innovation Construction LLC | B2 | 2026 | Active |
| JP Sunset General Construction Inc | B | 2025 | Active |
| Jr Construction And Remodeling Inc | B | 2026 | Active |
| Just Wright Construction Inc | B + C10 | 2024 | Active |
| K & K Builder Inc | B | 2019 | Active |
| Kannon Construction LLC | B | 2017 | Active |
| Karl Kardel Company Inc | B + C33, C39 | 1987 | Active |
| KC Construction Group Inc | B | 2026 | Active |
| Kci | B + C10, C20, C36 | 2006 | Active |
| Keystone Home Improvements Inc | B + C15 | 2016 | Active |
| KR Sustainable Structures Inc | B | 2026 | Active |
| Kreo Construction | B | 2026 | Active |
| L R T Construction LLC | B + C10, C15 | 2024 | Active |
| Ladybug Construction Services | B | 2026 | Active |
| Laloos Construction Inc | A, B + C8, C21, C36 | 2025 | Active |
| Larrieta Bro's Construction | A | 2024 | Active |
| Le Construction Inc | B | 1999 | Active |
| Legacy Construction Partners Inc | B | 2026 | Active |
| Legacy Inc General Construction | B | 2026 | Active |
| Lemus Construction Inc | B | 2022 | Active |
| Let's Do Construction LLC | B | 2025 | Active |
| Levante Group Inc | B + C10 | 2003 | Active |
| Light Frame Construction Inc | B + C5, D63 | 2010 | Active |
| Lions Gate Remodeling & Construction | B | 2026 | Active |
| Live Oak General Builder Inc | B | 2016 | Active |
| LM Construction Company | B | 2025 | Active |
| Lombera Construction Inc | B + D34 | 2021 | Active |
| Long's Landscaping And Construction | B + C10, C27, C36 | 2007 | Active |
| Lonsdale Construction Inc | B | 1990 | Active |
| Lookfar Builders | B | 2019 | Active |
| Lucrum Builders Inc | B | 2008 | Active |
| M 7.24 Builders Inc | B + C10 | 2019 | Active |
| M L S Builder Inc | A, B + C16, C36 | 2007 | Active |
| M L S Plumbing And Builder Inc | A, B + C16, C36 | 2025 | Active |
| M&D Brothers Construction | B | 2025 | Active |
| Mac Built | B | 2012 | Active |
| Mack5 | B | 2009 | Active |
| Magnergy Construction | B + C10 | 2024 | Renew by Dec 31, 2026 |
| Mainstreet Repairs | B | 2025 | Active |
| Mannon Construction Incorporated | B + C10, C36 | 1988 | Active |
| Manou Specialty Builders Inc | B | 2005 | Active |
| Manzanita Design Build | B | 2017 | Active |
| Mar Con / SB James Construction | B | 2021 | Active |
| Mar Con Co | A, B + C6, C9, C15 | 2003 | Active |
| Mario Santilli Construction Company | B | 2011 | Active |
| Martin & Michael Construction Inc | A, B | 1999 | Active |