| 24 Seven Construction LLC | B | 2023 | Active |
| A B Supply Inc | B | 2018 | Active |
| A2c Construction Inc | B + C27 | 2022 | Active |
| Adonai Construction Inc | B + C10 | 2025 | Active |
| Advance Concrete Inc | A, B + C8 | 2013 | Active |
| Alliance Custom Builders Inc | B | 2002 | Active |
| Alsterlind Construction Incorporated | B | 1993 | Active |
| Apex Builders LLC | B | 2023 | Active |
| Apperson / Hoog & Associates Inc | B | 2000 | Active |
| Armusewicz Rich Construction | B | 2000 | Active |
| Arruda Construction Inc | B | 1985 | Active |
| Art@yee Enterprises LLC | B | 2025 | Active |
| Asbestos Control Center | A, B + ASB, C22, C33 +1 | 1990 | Active |
| Atlas Building Contractors LLC | B + C10 | 2023 | Active |
| Avilas Construction Inc | B | 2016 | Active |
| Balance Builders Inc | B | 2004 | Active |
| Barkley Builders Inc | B | 1992 | Active |
| Barrett Dan Construction Inc | B | 2011 | Active |
| Barrios Construction 20 LLC | B | 2020 | Active |
| Bay Builders Inc | B | 2006 | Active |
| Bay Pacific Pipeline Incorporated | A + HAZ | 1988 | Active |
| Baywest Construction Inc | B + C27 | 2019 | Active |
| Beach Street Builders Inc | B | 2008 | Active |
| Beckmann Construction Inc | A, B | 2018 | Active |
| Benga Construction | B + C10 | 2014 | Active |
| Benjamin Franklin Plumbing | A + C36 | 2005 | Active |
| Benjamin Franklin Plumbing 30 | A, B + C36 | 2011 | Active |
| Betancourt Home Builders Inc | B | 2019 | Active |
| Big Dealit Reonovations | B2 + C33, D06, D41 | 2017 | Renew by Nov 30, 2026 |
| Blue Sky Bay Area LLC | B | 2026 | Active |
| Bob Ellison Woodwork Inc | B | 2017 | Active |
| Bran Construction Inc | B | 2022 | Active |
| Browy Construction | B | 2025 | Active |
| C S S Environmental Services Inc | A + HAZ | 2000 | Active |
| C T Innovative Builders Inc | B | 2023 | Active |
| C W S Construction Group Inc | A, B | 2002 | Active |
| C3 Design Build & Cabinetry Inc | B + C10 | 2024 | Active |
| California Rebar Fabricators Incorporated | A, B | 2011 | Active |
| Carlos A A Construction Inc | B | 2019 | Active |
| Castaneda Tomas Construction Inc | B | 2004 | Active |
| Center Line Builders Inc | B | 2010 | Active |
| Central Marin Renovations Inc | B | 2025 | Active |
| Charles Melin And Sons Inc | B | 1975 | Active |
| Christopher's Construction Inc | B | 2006 | Active |
| Clark Christopher Contracting Inc | B | 1979 | Renew by Dec 31, 2026 |
| Cliffco LLC | B | 2007 | Active |
| Cmac Construction LLC | B | 2019 | Active |
| Continuum Construction | B | 2021 | Active |
| D K G Construction Inc | B | 2014 | Active |
| Danziger Builders | B | 2004 | Renew by Dec 31, 2026 |
| Deleon Builders Inc | B | 2019 | Active |
| Deloach Construction | B | 2020 | Active |
| Design Build Specialists Inc | B | 1986 | Active |
| Diaz Brothers Construction Inc | B | 2025 | Active |
| Drosihn Construction Inc | B | 1993 | Active |
| Dry Kings Restoration LLC | B | 2024 | Renew by Nov 30, 2026 |
| Dugan Development Inc | B | 2023 | Active |
| Dwyer Construction | B | 1999 | Active |
| Echo Estates Partners LLC | B + C27 | 2026 | Active |
| Edl Construction And Remodeling Inc | B | 2024 | Active |
| Eduardo Navarro Construction | B | 2026 | Active |
| Embarcadero Enterprises Corporation | A, B + C5, C17 | 1998 | Active |
| Energy Wise America | B + C10 | 2009 | Active |
| English Country Pine & Design | B + C6 | 2007 | Active |
| Errigal Construction Inc | B | 2006 | Active |
| FMC Construction LLC | B | 2015 | Active |
| FMR Construction Inc | B | 2025 | Active |
| Fog Line Builders Inc | B | 2026 | Active |
| Foley Builds Corp | B | 2007 | Active |
| Footfour Builders | B | 2012 | Active |
| G L C Construction Company Inc | B | 2005 | Active |
| Gagne Rossi Enterprises Inc | B | 2023 | Active |
| Gallagher Andrew Construction | B | 2020 | Active |
| Garcia Reyes Construction Inc | B | 2022 | Active |
| Geco Inc | B | 2004 | Active |
| George Family Enterprises Inc Northern California | B + C2 | 1991 | Renew by Dec 31, 2026 |
| Golden General Contractors Inc | B | 2004 | Active |
| Greg Jeffery Construction Inc | B | 2007 | Active |
| Gregory Davis Construction Inc | B | 2009 | Active |
| Gris Construction Inc | B | 2018 | Active |
| Harkin Services Inc | B + C36 | 1996 | Active |
| Hawks Building Inc | B | 2023 | Active |
| Hayes And Associates Construction Inc | B | 2015 | Active |
| HH Construction Inc | B | 2026 | Active |
| Hilux Construction | B | 2019 | Active |
| Hoffmann Construction Inc | B | 1981 | Active |
| Homestory Doors Of Marin | B | 2024 | Active |
| HSC Services Inc | B | 2008 | Active |
| Iris Landscaping Inc | B + C27 | 2008 | Active |
| J N M Home Service LLC | B | 2023 | Active |
| JC Prestige Home Builders LLC | B | 2023 | Active |
| JCB Construction Inc | B | 2024 | Renew by Dec 31, 2026 |
| JLL Builders Inc | B | 2002 | Active |
| Just Builders Inc | B | 2012 | Renew by Dec 31, 2026 |
| Kabler Construction Services Inc | A | 1991 | Active |
| Kamalani Construction Inc | A, B | 1993 | Active |
| Kamalani-Odin JV | A + HAZ | 2026 | Active |
| Klep Construction Inc | B + C10 | 2012 | Active |
| Knight Pete A Construction Inc | B + C10, C39 | 1989 | Active |
| Knoles Construction Co | B | 1983 | Renew by Nov 30, 2026 |