| 2 Kings Builders | B | 2026 | Active |
| A & Y Asphalt Contractors Inc | A + C32 | 1986 | Active |
| Able Sprinkler Corporation | B + C16 | 1986 | Active |
| Ace Restoration & Construction Inc | B | 2017 | Active |
| Act 1 Construction Inc | A, B + C8, C12, C29 | 1992 | Active |
| Adu Custom Home Builders LLC | B + C47 | 2025 | Active |
| Alexander Remodeling Inc | B2 | 2024 | Active |
| Artisan Improvements Inc | B | 2005 | Active |
| Bert's Handyman LLC | B | 2016 | Active |
| Bertagna Lee And Smith Inc | A, B + HAZ | 2016 | Active |
| Bowers Construction Inc | B | 2014 | Active |
| Burk's General Contracting Inc | B | 2016 | Renew by Oct 31, 2026 |
| Burke D Mechanical Corp | B + C4, C20, C36 | 1992 | Renew by Nov 30, 2026 |
| Cal West Underground Inc | A | 1999 | Active |
| Canon Coating Co | A + C32 | 1981 | Active |
| Clima - Tech LLC | B + C10, C20, C38 | 2017 | Active |
| Comfort Masters H V A C & Electrical Inc | B + C10, C20 | 2018 | Active |
| Commercial Fence Co Inc | B + C8, C13, C23 +1 | 1992 | Active |
| Commericial Industrial Finishing Corporation | B + C8 | 1997 | Active |
| Community Construction Services | B + C33 | 2001 | Active |
| Creative Walls Inc | B + C9 | 2004 | Active |
| D & D Development | B | 1986 | Active |
| DB Design & Consulting LLC | B | 2025 | Active |
| Delmatoff John Backhoe Service Inc | A | 1998 | Active |
| Diamond Star Builders Inc | B | 2024 | Renew by Oct 31, 2026 |
| DK Pipeline Construction | A | 2023 | Active |
| Domaen Build Inc | B | 2019 | Active |
| Dynamic Solar Engineering | B | 2018 | Active |
| E S S Construction Inc | B | 1995 | Active |
| Eh Masonry LLC | B + C29 | 2018 | Active |
| Elite Air Conditioning Inc | B + C20 | 2013 | Active |
| Elzein Construction & Development LLC | B | 2025 | Active |
| Embassy Construction Inc | B | 2008 | Active |
| Embassy United Restoration Inc | B | 2017 | Active |
| Emcor Commercial Contractors Inc | A, B | 2020 | Active |
| Fiore Electrical Inc | B + C10 | 2004 | Active |
| Floval Construction | B | 2025 | Active |
| Fore Contractors Inc | A, B + C8 | 2017 | Active |
| FV General Contracting Inc | B | 2015 | Active |
| G D F Industries LLC | B + D12 | 2013 | Active |
| GDT Framing Inc | B | 1998 | Active |
| Grafflin Construction Inc | B | 2007 | Active |
| Green Connection Construction Inc | B | 2023 | Active |
| Greywolf Contracting Inc | B | 2023 | Active |
| Harmon E W Inc | A | 1987 | Active |
| Hope Restored Restoration LLC | B | 2026 | Active |
| Horizon Underground LLC | A + D09 | 2026 | Active |
| Horsepower Corporation The | B | 2022 | Active |
| Imf Construction | B | 2026 | Active |
| Industrial Process Equipment Inc | B + C43 | 1984 | Active |
| Integrity Contracting Group Inc | B | 2022 | Active |
| Island Patio Covers | B | 2017 | Active |
| J C Electrical Contractors Inc | B + C10 | 1984 | Active |
| J.M.Rice Inc | A, B + C10 | 2024 | Renew by Nov 30, 2026 |
| K 2 Fabrication Inc | B | 2011 | Active |
| K N R Construction Inc | B | 2006 | Active |
| Kelley J C Construction Inc | B | 2014 | Active |
| Kennedy General Contracting | B | 2022 | Renew by Oct 31, 2026 |
| Liberty General Contractors Inc | B + C10, C12, C36 | 2023 | Active |
| Lindseth Construction Inc | B | 1996 | Active |
| Long's Directional Boring Inc | A + D09 | 2000 | Active |
| Luna & Banda Contractors | B | 2022 | Active |
| Ma Granite Construction Inc | B | 2021 | Active |
| Maier Construction Inc | B | 2013 | Active |
| Mainline Engineering Services Inc | A | 2021 | Active |
| Maldo Construction Services | B + C54 | 1986 | Active |
| MCP Engineering | A, B | 2021 | Active |
| Meza Built Group Inc | B | 2026 | Active |
| Moore Dvbe Construction Supply | A, B + C10 | 2018 | Active |
| Morales Paul Construction Inc | A, B + C10 | 2014 | Active |
| Myers Marine Division LLC | A, B | 2023 | Active |
| Myers Steve T Construction Inc | A, B | 1986 | Active |
| N A C Construction | B | 1993 | Active |
| Next Level Elite Remodeling Co | B | 2026 | Active |
| Nextgen Construction Inc | A, B + D34 | 2018 | Active |
| Oak Hollow Restoration | B + C29 | 2019 | Active |
| Oasisbuilders LLC | B | 2003 | Active |
| Patio Creation Construction Inc | B | 2017 | Active |
| Paving Management Inc | A | 2019 | Active |
| Pope Construction Company | A | 1987 | Active |
| Preferred Modular Structures Inc | B + C54 | 2001 | Active |
| Pure Vision Construction Inc | B | 2025 | Active |
| R & N Builders Inc | B + D06 | 1992 | Active |
| R G General Engineering Inc | A | 2022 | Active |
| R Jensen Co Inc | A, B + C10 | 1978 | Active |
| R P M Builds Inc | B | 2006 | Active |
| Reliable Power Wash & Property Services | B + D06, D38 | 2004 | Active |
| Reup Constructions Inc | B | 2013 | Active |
| Royal West Drywall Inc | B + C9, C33 | 2013 | Active |
| RPM Tower Services Inc | B | 2025 | Active |
| S & G General Engineering Inc | A | 2023 | Active |
| S S C I Electric | B + C10 | 1988 | Active |
| Same Wall Construction | B | 2024 | Active |
| Schultz Controls Inc | B + C10, C36 | 1991 | Active |
| Sierra Crest Renovations | B | 2025 | Active |
| Southern California Road Slurry Company | A + C12 | 2014 | Active |
| Spangler Construction Inc | B | 1993 | Active |
| Staab James Inc | B | 2006 | Active |
| Tecnicad Inc | B + C10 | 1990 | Active |
| Tier One | B + C10 | 1993 | Active |