| 1 Vision Construction Inc | B | 2026 | Active |
| 3ds Marble & Tile Inc | B + C54 | 2021 | Active |
| 4-u Construction Inc | B | 2010 | Active |
| 911 Restoration Of Southeast Los Angeles | B | 2022 | Active |
| A & I Enterprises Inc | B | 2015 | Active |
| A - 1 American Construction Services Inc | B + C15 | 2007 | Active |
| Aeterna Energy LLC | B + C7, C10, C20 +2 | 2015 | Active |
| Affordable Dreams Remodeling Inc | B2 | 2026 | Active |
| Aguila Construction Inc | B | 2008 | Active |
| Alert 1 Environmental | B + C21 | 2025 | Active |
| Alfa Construction USA Inc | B | 2021 | Active |
| All Construction Inc | B + C8 | 1993 | Active |
| All Surface Construction Incorporated | A + C12, C32 | 1988 | Active |
| Allen Mark Construction | B2 | 2024 | Active |
| Alonso Construction Of So Cal Inc | B | 2021 | Active |
| Amber Home Remodeling Inc | B | 2025 | Active |
| American Vision | B | 2000 | Active |
| Anacapa Management Group Inc | B + C10 | 2025 | Active |
| Anseth RJ Contruction | B | 2022 | Active |
| Arl General Engineering Inc | A | 2022 | Active |
| Armoz Construction Inc | B + D52 | 2023 | Active |
| Artner Construction Company | B | 1965 | Active |
| Ash, Inc. | B | 1977 | Active |
| Atencio Builders Inc | B | 2022 | Active |
| August Roofing Incorporated | B + C10, C39 | 2000 | Active |
| Avila's Construction | B | 2023 | Active |
| Avl Construction LLC | B | 2023 | Active |
| B & K Services Inc | B + C10 | 2008 | Active |
| B & M Contractors Inc | A + C8, C27, C53 | 2002 | Active |
| Badalyan Group Inc | B + ASB | 2018 | Active |
| Bancroft Construction Inc | B + C39, C43 | 1982 | Active |
| Bancroft Matt Construction Inc | B | 2006 | Active |
| Barani Construction Inc | B | 2015 | Active |
| Bauer Construction & Development Incorporated | B + C10 | 1988 | Active |
| Becker Brian & Associates Inc | B | 2000 | Renew by Oct 31, 2026 |
| Bedrock Build And Design Inc | B | 2011 | Active |
| Beren Construction Inc | B | 2015 | Active |
| BG Construction Co | B | 2024 | Active |
| BG Enterprises & Investments | B | 2024 | Active |
| Blessed Construction | B | 2025 | Active |
| Blue Anchor Co LLC | B + C15, C39 | 2024 | Active |
| Bradbury Rhonda Roofing And Construction Inc | B + C39 | 1990 | Active |
| Brentwood Construction Corp | B | 1999 | Active |
| Brown D K Construction Inc | B | 1986 | Active |
| Brytin Construction | B | 2020 | Active |
| Burpees Plumbing & Rooter | B + C4, C34, C36 +2 | 2013 | Active |
| C B Construction | B | 1995 | Active |
| C L S Construction | B | 1997 | Active |
| Cal Coast Renovation | B | 2014 | Active |
| California Contractor Pros | B | 2026 | Active |
| Canfield Dale Construction Inc | B | 1981 | Active |
| Carlito Construction Corporation | B | 1998 | Active |
| Cas Development Inc | B | 2009 | Active |
| Casta Construction Inc | B | 2010 | Active |
| Cda Builders Inc | B | 2002 | Active |
| Chacon Construction Services Inc | B | 2006 | Active |
| Champion Kitchens Inc | B | 2005 | Active |
| Champion Painting LLC | B + C33 | 2019 | Active |
| Chaparral Woodworks Inc | B | 2003 | Active |
| Chase Builds LLC | B | 2023 | Active |
| Chief Cornerstone Construction Inc | B | 2014 | Active |
| Chip - Rocke Construction Inc | B | 2012 | Renew by Oct 31, 2026 |
| Cirocco Plastering | B + C35 | 2002 | Active |
| Claridge Construction Inc | B | 1990 | Active |
| Clear Choice - U S A Windows & Doors | B | 1998 | Active |
| Conquest GBC Inc. | B + C53 | 1984 | Active |
| Constructech Inc | B | 1999 | Active |
| Construction By De Mill Inc | B | 1996 | Active |
| Cook Development Company | B | 2009 | Active |
| Cosi Designs & Construction | B | 2019 | Active |
| CTC California Trusted Contractor Inc | B + C5, C15, C33 +1 | 2019 | Active |
| Custom Derian Pools & Construction | B + C29, C53 | 2012 | Active |
| D B M Construction And Consulting Corp | B | 2024 | Active |
| D J S General Contracting Inc | A, B + C8 | 2000 | Active |
| D4 Construction Company LLC | B | 2024 | Active |
| Dalco Forensic Consultants | B | 2015 | Active |
| Danous Construction Inc | B | 2022 | Active |
| Das Remodeling | B2 + D34 | 2025 | Active |
| De La Cuesta Construction Inc | B | 2022 | Active |
| Dedicated Builders LLC | B | 2026 | Active |
| Delahunt Custom Cabinets Inc | B + C6 | 2019 | Active |
| Duarte Multiple Building Services Inc | B | 2026 | Active |
| Dynasty Interior Drywall | B + C9 | 2000 | Active |
| Eagle Professional Turn Service Inc | B | 2019 | Active |
| Edm Services Inc | A + C10 | 1996 | Active |
| Element Restoration | B | 2010 | Active |
| Elite Building Materials Inc | B | 2008 | Active |
| Elizabeth Lane Windows And Doors Inc | B | 2023 | Active |
| Eminent Builders Inc | B | 2024 | Active |
| Everview Window And Doors | B | 2022 | Active |
| F & A Construction Inc | B | 2008 | Active |
| Faithful Floors Inc | B + C15 | 2014 | Active |
| Faithful Kingdom Construction | B | 2026 | Active |
| Fast Track Builders | B | 2021 | Active |
| Fine Built Interiors Inc | B + C9 | 2004 | Active |
| Fine Finish Builders Inc | B + C53 | 2016 | Renew by Oct 31, 2026 |
| Fireman Construction Inc The | B | 2023 | Active |
| Galella Construction Services Inc | B | 2019 | Active |
| Gallegos Mario Construction Inc | B | 2019 | Active |
| General Construction Clean - Up Inc | B + C9, D63 | 1997 | Active |