| 24/7 Carpet & Floor Care Inc | B + C15 | 2007 | Active |
| 90 Degree Construction | B | 2021 | Active |
| A & M Construction | B + C10 | 2022 | Active |
| A & M Contractors | B + C10, C39 | 2015 | Active |
| A B F Construction Inc | B | 1985 | Active |
| Action Construction Specialist | B + C33, C36 | 1987 | Active |
| All American Mitigation LLC | B | 2026 | Active |
| Allison Mechanical Inc | B + C10, C20, C36 +1 | 1993 | Active |
| Anderson Design & Construction Inc | B | 2020 | Active |
| B G A Design & Construction LLC | B + C27 | 2006 | Active |
| Blueprint Kitchen And Bath Design Studio LLC | B2 | 2026 | Active |
| Briz Engineering | A | 2023 | Active |
| Brother's Restoration | B | 2025 | Active |
| Buenas Brothers Engineering Inc | A, B + C12 | 2009 | Active |
| Bullseye Construction Services | B + C12 | 2024 | Active |
| C And C Properties | B | 2008 | Active |
| California Builders & Design Inc | B | 2022 | Active |
| California Highway Products | A | 2007 | Active |
| Calwest Building Inc | B | 2010 | Active |
| Castell's Construction Inc | B | 2021 | Active |
| Chafin Ruth Interior Design Inc | B | 2012 | Active |
| Chavez Nelson Construction Inc | B | 2005 | Active |
| Coastal Crest Design And Construction | B | 2026 | Active |
| Crane Steve Construction Inc | B | 1987 | Active |
| Crestwood Construction | B + C9 | 2006 | Active |
| D & B Pressure Washing | B + D38 | 2025 | Active |
| De Hart Construction Services Inc | B | 2010 | Active |
| Empire Door Inc | B | 2005 | Active |
| Envab Construction | B | 2009 | Active |
| Euro - Art Contractors Inc | B + C10 | 2015 | Active |
| Euro Construction Inc | B | 2017 | Active |
| F E C Electric Inc | A, B + C7, C10 | 1997 | Active |
| Faith Electric LLC | A + C10, C31 | 2012 | Active |
| Fce | A, B | 2023 | Active |
| Flanigan Construction Inc | B | 1997 | Active |
| Floor Plans Construction & Development Inc | B | 2006 | Active |
| G Lopez Construction LLC | B + C12 | 2025 | Active |
| Garibay Construction And Electric | B + C10 | 2009 | Active |
| Good Neighbor Construction Inc | B | 2025 | Active |
| H C Group Partnership | B | 2015 | Active |
| Hemanot Design & Construction Inc | B | 2011 | Active |
| Henry Bush Plumbing Heating Air & Home Energy Solutions | B + C20, C36, C42 | 1959 | Active |
| Hondo Framing Inc | B | 2004 | Active |
| Hoy Ryan Construction Inc | B + C27 | 2002 | Active |
| Icon | B | 1988 | Active |
| Ie Construction Services | B + C36 | 2024 | Active |
| J M Builders Inc | B | 2004 | Active |
| Jap General Contracting Company | B | 2021 | Active |
| Kirkley Corporation Inc | B | 1981 | Active |
| Knoble Construction Company LLC | B + C8, C54 | 1996 | Active |
| L Curti Truck & Equipment | A + C12 | 1974 | Active |
| Layne Christensen Company | A + C10, C57, D09 +1 | 1987 | Active |
| LB Premier Construction Inc | B | 2026 | Active |
| Levatto Construction Inc | B | 2023 | Active |
| Lloyd Copelan Garage Doors, Inc. | B + D28 | 1979 | Active |
| Mechanical Insulation Systems | B + C2, C36 | 2014 | Active |
| Metricom Construction | A, B + C10 | 2019 | Active |
| Multifamily Construction | B | 2019 | Active |
| Newaige Home Solutions | B + C9 | 2018 | Renew by Nov 30, 2026 |
| Omni Builders Inc | B | 1996 | Active |
| Owens & Green General Contractors Inc | B | 2012 | Active |
| Pacific Heritage Inc | B | 2007 | Active |
| Pacific Vintage Development Inc | B | 2022 | Active |
| Padgett's Cleaning & Restoration Inc | B | 1993 | Active |
| Palm Solar Construction | A, B + C27 | 2000 | Active |
| Parkwest Construction Company | A, B + C7, C10 | 1989 | Active |
| Pence Construction Inc | B | 1990 | Active |
| Pink Hammer Construction | B | 2021 | Active |
| Plan Tech Inc | B | 1996 | Active |
| Platinum Projects LLC | B | 2026 | Active |
| Polytech Construction Inc | B | 2026 | Active |
| Pro - Craft Construction Inc | A, B + C2, C16, C34 +2 | 1984 | Active |
| Progressive Energy Solutions Inc | B + C46 | 2008 | Active |
| Quality Constructs Inc | B + C29 | 2021 | Active |
| R & D Construction Co | B | 2011 | Active |
| R B Olson Construction Inc | B | 2008 | Active |
| R C Construction Services | B + C8 | 1995 | Active |
| R J M Construction Inc | B | 1990 | Renew by Oct 31, 2026 |
| R P C Construction Inc | B | 2006 | Active |
| Randazzo J F Construction Inc | B | 1997 | Active |
| RG & Sons LLC | B | 2026 | Active |
| Salajean Construction & Service Co | B2 | 2023 | Active |
| Sanborn's Air Conditioning & Heating | B + C10, C20, C36 +1 | 1995 | Active |
| Servpro Of South Redlnads/Yucaipa | B + C15, D63 | 2015 | Active |
| Shanks Construction LLC | B + D16, D28 | 1983 | Active |
| So California Builders Inc | B | 2012 | Active |
| Ssqts | B | 2026 | Active |
| Start To Finish General Construction Inc | B | 2022 | Active |
| Steidle Construction Inc | B | 2016 | Active |
| Straight Edge Builders | B | 2021 | Active |
| Sunquest Builders Inc | B + C39 | 2007 | Active |
| TBM Services Inc | B + C10 | 1995 | Active |
| Team All Star Construction | B | 2015 | Active |
| Tesoro Builders Inc | B | 2025 | Active |
| Tickemyer Construction Inc | B | 1994 | Active |
| True Heat Solutions | B + C2, C5 | 2018 | Active |
| Universal Construction LLC | B + C13 | 1996 | Active |
| Vision Development Inc | B | 2021 | Active |
| Voltaire Engineering Inc | A, B | 2024 | Active |
| W C T Construction | B + C54 | 2005 | Active |