| 24 Prefab LLC | B | 2005 | Active |
| 509 Builders Inc | B | 2026 | Active |
| A & B Malibu Plumbing Heating & Electrical | A + C10, C20, C36 +2 | 1996 | Active |
| A K M Building & Design Inc | B + C10 | 2023 | Active |
| A2 Railla Development Inc | B | 2007 | Active |
| Aba Construction And Electric Inc | B + C10 | 2005 | Active |
| Accurate Construction | B | 2016 | Active |
| Acre Group | B | 2025 | Active |
| Aliso Pacific Inc | A | 2014 | Active |
| Allied Contractors Inc | B | 1947 | Active |
| American Contracting Solutions Inc | B | 2023 | Active |
| Amin Development Inc | B | 1991 | Active |
| Ardor Design & Build | B + C10 | 2022 | Active |
| Aria Construction | B | 2020 | Active |
| Azula Cruz Development LLC | B | 2017 | Active |
| Baa Investments Inc | B | 2008 | Active |
| Balcorp Construction & Development Inc | B | 1987 | Active |
| Barnett Harvey Lee | B | 1984 | Renew by Nov 30, 2026 |
| Bayview Construction Inc | A, B | 1993 | Active |
| Benchmark Contractors Inc | A, B | 1984 | Active |
| Berjis S Inc | B + C54 | 2002 | Active |
| BHM Remodeling | B2 | 2026 | Active |
| Blair Construction Inc | B | 1988 | Active |
| BLDS Construction | B | 2025 | Active |
| Blue Label Construction Inc | B | 2012 | Active |
| Blue Sky Energy | B + ASB, C10, C46 | 1991 | Active |
| Borgese Construction And Development Inc | B + C6 | 2005 | Active |
| Bornarch Inc | B | 2006 | Active |
| Bte Builders LLC | B | 2025 | Active |
| Bulldog Builders LLC | B | 2016 | Active |
| Calcoast Construction Inc | B + C10 | 2007 | Active |
| Carnevale & Son Construction Inc | B | 1980 | Renew by Dec 31, 2026 |
| Ccla Construction Inc | A, B | 2025 | Active |
| CDG Construction & Development | B | 2025 | Active |
| CDMR Inc | B | 2023 | Active |
| Center Construction Company L L C | B | 2014 | Active |
| Classical Progression Inc | B | 2003 | Active |
| Community Dynamics Inc | B | 1990 | Active |
| Conejo Oaks Construction | B | 2025 | Active |
| Cool Remodeling Inc | B + C46 | 2021 | Active |
| Core Development Group Inc | B | 2004 | Active |
| Corr Contemporary Homes LLC | B | 2008 | Active |
| Cove Construction LLC | B | 2026 | Active |
| Custom Building Company | B | 1993 | Active |
| CZ Construction Services Inc | A, B + HAZ | 2024 | Active |
| Delta Wright Design And Renovation | B | 2025 | Active |
| Derna Contracting Inc | A + HAZ | 2022 | Renew by Dec 31, 2026 |
| Design Build Labs | B | 2019 | Active |
| Design Scapes Landscaping | B + C27 | 2020 | Active |
| Dolphin Ten Development Inc | B | 2024 | Active |
| Douglas Emmett Builders | B | 1992 | Active |
| Drams Construction Inc | B | 2022 | Active |
| Dreamstyle Kitchen And Bath Solutions | B2 | 2026 | Active |
| Eco Systems | B | 2024 | Active |
| Ecogreen Construction Incorporated | B | 2009 | Active |
| Elco | B + C7, C10 | 1988 | Active |
| Electron Electric Inc | B + C10 | 1988 | Active |
| Emma Corporation | A, B + C8, C10, C21 | 1984 | Active |
| Empire Group Fine Construction | B | 2010 | Active |
| Empty_us Construction | B | 2024 | Active |
| Engcorp General Contractors Inc | B | 2025 | Active |
| Erla Construction | B | 2018 | Renew by Nov 30, 2026 |
| Eskan Contractors Corporation | B | 1998 | Renew by Dec 31, 2026 |
| Espace Design Inc | B | 1991 | Active |
| Estate Design And Construction Inc | A, B + C36, C39 | 2021 | Active |
| Evergreen Remodeling Inc | B | 2026 | Active |
| F H D Construction Inc | B | 2014 | Renew by Nov 30, 2026 |
| Fourus Constructs LLC | B + C39 | 2024 | Renew by Dec 31, 2026 |
| G & H Constructors Inc | B | 2007 | Active |
| Gabor Design Group Inc The | B | 2004 | Active |
| Gibson Gordon Construction | B | 1988 | Active |
| Gio Improvements-Professional Build Works | B | 2026 | Active |
| Glass Residential Group Inc | B | 2015 | Active |
| Go Building Systems Inc | B + C21 | 2021 | Active |
| Green Leaf Construction Corp | B + C33 | 2022 | Active |
| Hallo Dean General Contractor Inc | B | 1990 | Active |
| Harrington Construction Services Inc | B | 1990 | Active |
| Hci Builders | B | 2026 | Active |
| Hoffmann Structure Inc | B | 1998 | Active |
| Home Lab | B | 2016 | Active |
| Icon Builders Group | B | 2025 | Active |
| Improvehub Inc | B + C10 | 2009 | Active |
| Ingenuity Builders | B | 2019 | Active |
| Isimble Development | B | 2024 | Active |
| JHK Builders | B | 2004 | Active |
| Johnson N S Company | B | 1984 | Active |
| Kaleric Properties | B | 2021 | Active |
| Kanan Bros Builders Inc | B | 1980 | Renew by Nov 30, 2026 |
| Karney Management Company | B | 1995 | Active |
| Kent Michael J Inc | B | 1988 | Active |
| Krismar Construction Co Inc | B | 1974 | Active |
| M K L 2005 Inc | B | 2006 | Active |
| Mardena Construction Corp | B + C21, C36 | 2021 | Active |
| Maven Construction | B | 2022 | Active |
| McCauley Design & Building Inc | B | 2014 | Active |
| Metro Capital Builders Inc | B | 2015 | Active |
| Modyrn Build | B | 2025 | Active |
| Morley Builders Inc | B | 1992 | Active |
| Morley Construction Company | A, B + C8 | 1957 | Active |
| N & Z Inc | B | 1988 | Renew by Nov 30, 2026 |