| 2 De Durango Inc | B | 2006 | Active |
| 4 N B Construction | B | 2016 | Active |
| 5 Star Perez Development Inc | B | 2012 | Active |
| A M A Construction & Coating Inc | B + C33 | 2011 | Active |
| A R Engineering | A, B | 2023 | Active |
| Air-Ex Air Conditioning Inc | B + C4, C7, C20 | 1982 | Active |
| Alb Cardenas Construction Corp | B | 2024 | Renew by Dec 31, 2026 |
| All Environmental Design | B + C27 | 2015 | Active |
| All In One Home Improvement Inc | B | 2025 | Active |
| Amec Solutions LLC | B | 2026 | Active |
| Ameko A P S Inc | B + C10, C46 | 2013 | Active |
| Anbon Development Inc | B + C27 | 2019 | Active |
| Apex Imaging Services | B + C33 | 1985 | Active |
| Apex Traffic Control Inc | A + C31 | 2026 | Active |
| Aqua Ease Walk-In Tubs Inc | B | 2025 | Active |
| Atlas United Construction Inc | B | 2026 | Active |
| Atr Technologies Incorporated | B + C23 | 1993 | Active |
| Barza Construction Inc | A, B | 2019 | Active |
| Bionki A D Inc | A | 2013 | Active |
| Bourne Group Inc | B | 2019 | Active |
| BP Construction | B | 1998 | Active |
| Bp-Glass Garage Doors & Entry Systems | B | 2026 | Active |
| Building Ur Structure Corp | B | 2023 | Active |
| Cab Communications | B + C7, C10, D34 | 2018 | Active |
| California Way Construction Inc | B | 2009 | Active |
| Campos Construction Inc | B | 2020 | Active |
| Capy Construction LLC | B | 2024 | Active |
| Casablanca Construction And Design | B | 2019 | Active |
| Civil Concepts Inc | B | 2005 | Active |
| Coan Construction Co Inc | B + C8 | 1982 | Active |
| Cornerstone East | B | 2025 | Active |
| Cosmoss Construction Inc | B | 2013 | Active |
| CQ And Construction | B | 2024 | Active |
| CS & M Construction Services Inc | B + C9 | 2020 | Active |
| D E Pyramid 1 Construction Corp | B | 2012 | Active |
| D J Scheffler & Nye Inc | A + C8, HAZ | 1989 | Active |
| Danzo Group Inc | B + C6 | 2010 | Active |
| Des Roches Construction LLC | B | 2005 | Active |
| Devil Dawg Construction LLC | B | 2026 | Active |
| Dominguez General Engineering Inc | A | 2002 | Renew by Dec 31, 2026 |
| DSF Construction Inc | B | 2015 | Active |
| DSRM Cable Construction Inc | A + C7 | 1994 | Active |
| Ed-Lex Inc | B | 2010 | Active |
| Elias Bros Contractors Inc | A | 1989 | Active |
| Elite 3 General Construction Corporation | B | 2026 | Active |
| Evergreen Construction & Remodeling Inc | B | 2010 | Active |
| Exceptional Construction | B | 2022 | Active |
| Family Construction Builder's Inc | B | 2021 | Active |
| FJT Vaka Construction A Partnership | B | 2023 | Active |
| Forgepoint Inc | B | 2026 | Active |
| FPQ Construction Inc | B | 2024 | Active |
| G Force Builders Inc | B + C9 | 2017 | Active |
| GM Work Inc | B | 2019 | Active |
| Golden Phoenix Construction | B | 2018 | Active |
| Green Castle Cabinetry Inc | B | 2014 | Active |
| Hamilton Healthcare Construction Inc | B | 1994 | Active |
| Han Nam Construction Inc | B | 2024 | Active |
| Henkels & McCoy West LLC | A + C10, D31 | 2023 | Active |
| Home Restoration & Design Inc | B | 2017 | Active |
| Howard Services Corporation | B | 2011 | Active |
| HQ Construction & Renovations Corp | B | 2025 | Active |
| Hui Construction Service Inc | B | 2025 | Active |
| I C K | B | 2017 | Active |
| Intren West LLC | A + C10, D31 | 2023 | Active |
| J E S Construction Inc | B | 2008 | Active |
| J F Engineering Inc | A, B + C21 | 2006 | Active |
| J SM Construction | B | 2019 | Active |
| J's Kitchen And Bath Remodel | B | 2026 | Active |
| Jes Bro's Construction Inc | B + C8 | 2016 | Active |
| JM Prime Construction Inc | B | 2024 | Active |
| Jovic Construction Inc | B + C46 | 2006 | Active |
| K M A Construction Corp | B | 2005 | Active |
| Kelly Construction Company | B | 2024 | Renew by Dec 31, 2026 |
| Kings Contractors Inc | B | 2015 | Active |
| KJ Design Center | B + C15, C33, C54 +1 | 2005 | Active |
| L & M Construction Inc | A + C21, HAZ | 2014 | Renew by Nov 30, 2026 |
| La Creative Concrete Construction Inc | B + C8 | 1992 | Active |
| Ledesma Builders Inc | B | 2008 | Active |
| Legacy Construction & Remodeling Inc | B + C27 | 2018 | Active |
| Lez Construction Inc | B | 2021 | Active |
| Living Los Angeles Construction Inc | B | 2020 | Active |
| M C General Contractors Inc | B | 2008 | Active |
| M K Builders Co | B + C8, C10 | 2017 | Active |
| Mayorga General Building Inc | B | 2014 | Active |
| Metcalf Inc | B + C9, C35 | 1993 | Active |
| MJC Construction Services Inc | B | 2006 | Active |
| Monroy's Father & Son Construction | B | 2024 | Active |
| Moussa Construction | B | 2024 | Active |
| Nanemone Steel & Construction | B + C51 | 2016 | Active |
| Next West Construction Inc | B | 2023 | Active |
| Noah's Ark Development Inc | B + C27 | 2019 | Active |
| Nueva Vida Construction Inc | B | 2016 | Active |
| Nulook Remodeling | B | 2012 | Active |
| O C I Inc | B | 2024 | Active |
| Onew Home Construction Inc | B | 2021 | Active |
| Orozco Landscape And Tree Co | B + C27, C36, C49 +1 | 2000 | Active |
| Perfect Circle Construction Inc | B + C36, C53 | 2007 | Active |
| Prestige Woodworking And Construction | B | 2025 | Active |
| Pro Build Inc | B | 2015 | Active |
| Psalm 91 Builders Construction Corp | B | 2025 | Active |