| A And M Flooring Design | B + C15, C54 | 2014 | Active |
| A Maravilla Construction Inc | B | 2023 | Active |
| A Robledo Construction General Engineering Inc | A | 2016 | Active |
| A To Z Contractors Inc | B | 2023 | Active |
| All Access Painting Incorporated | B + C33 | 2015 | Active |
| All Size Home Remodeling | B | 2026 | Active |
| Allstate Victor Corp | B | 2017 | Active |
| Ambuild LLC | B | 2025 | Active |
| Amw Builders Inc | B | 2016 | Active |
| Anselmo Distributing | A | 1999 | Active |
| Anvil General Contractors Inc | B | 2025 | Active |
| B V Builders Inc | B | 2014 | Active |
| Backbone Builders Inc | B | 2025 | Active |
| Bettencourt Construction Inc | B | 2021 | Active |
| Bruce Construction Group LLC | B | 2022 | Active |
| Budget Construction Company | B | 1996 | Active |
| Building Titans Inc | B | 2024 | Active |
| C D I Development & Realty Inc | B | 1992 | Active |
| C M A G Construction Inc | B | 2001 | Active |
| C O R Construction Inc | B | 2026 | Active |
| Cal Elite Builders & Cal Electric | B + C10 | 2004 | Active |
| Canyon Contracting & Design Inc | B | 1986 | Active |
| Cedar Construction Management Inc | B | 2014 | Active |
| Certified Coatings Company | A + C33, C35 | 2006 | Active |
| Ces Integrated Corporation | B + C20, C36 | 2022 | Active |
| Chieftain Industrial Professionals Inc | A + C10 | 2026 | Active |
| Chombo's Custom Construction Inc | B | 2020 | Active |
| Cleanair Solutions Inc | B | 2002 | Active |
| Community Housing Opportunities Corporation | B | 1993 | Active |
| Complete Civil Contractors | A, B | 2025 | Active |
| Concrete Concepts And Design Inc | B | 2026 | Active |
| Construction Covenants Inc | B + C33 | 2001 | Active |
| Contractor 2.0 Inc | B + C54 | 2022 | Active |
| Copap LLC | B | 2026 | Active |
| CRC Builders | B | 2014 | Renew by Nov 30, 2026 |
| Cuesta Geo Inc | B + C10, C57 | 2018 | Active |
| Cush Construction Inc | B | 2006 | Active |
| D O Contractors Corp | A | 2026 | Active |
| Danco Construction Inc | B + C17 | 2023 | Active |
| Declan Builders Inc | B | 2025 | Active |
| Denluc Construction Inc | A, B + D06 | 2019 | Active |
| Distinctive Designs Builders | B | 2001 | Active |
| Ecs | B | 2014 | Active |
| Emmhy Construction Inc | B + C8, C10 | 1996 | Active |
| Environmental Builders Inc | B | 1993 | Active |
| Esc Quality Construction Inc | B | 2025 | Active |
| Evolv Commercial Construction Inc | B + C10, C36 | 2004 | Active |
| Flooring Liquidators | B + C15, C54, D52 | 2011 | Active |
| Flooring Liquidators Inc | B + C15, C54, D52 | 2001 | Active |
| G R P Roofing | B + C39 | 2021 | Active |
| Gateway Construction Inc | B | 2021 | Active |
| Globe Engineering Development | A | 2020 | Active |
| Gold R R Remodeling | B | 2026 | Active |
| Golden Ace Construction Inc | B | 2025 | Active |
| Gray Construction Services Inc | B | 2024 | Active |
| Green Valley Painting Inc | B + C33 | 2003 | Active |
| Groundworks California LLC | A, B + D30 | 2024 | Active |
| Guada Construction Co | B | 2026 | Active |
| H M W Construction Inc | B | 1990 | Active |
| H Of C Flooring And Design | B + C15, C54, D52 | 2020 | Active |
| Hanley Homes | B | 1978 | Active |
| Independent Engineering Contractor | A, B | 2018 | Active |
| J D Delval Construction Inc | B | 2025 | Active |
| Jamz Construction | B + C17 | 2022 | Active |
| Jiunti Inc | B | 2019 | Active |
| Keller Engineering & Asphalt Services Inc | A | 2013 | Active |
| Keystone Construction Group Inc | B + C47 | 2019 | Active |
| Keystone Homes LLC | B + C47 | 2024 | Active |
| Korifi Construction Inc | B | 2003 | Active |
| Lobo Construction Inc | B | 2012 | Active |
| M T Z Construction Inc | B | 2017 | Active |
| Maintenance Works | B | 2023 | Active |
| Marroquin's General Construction Inc | B + C27 | 2023 | Active |
| Maxicrete | A + C8 | 1998 | Active |
| MD Inc | A | 2021 | Active |
| Mendoza's Home Improvement | B | 2018 | Active |
| Mining Management International Inc | A | 1991 | Active |
| Mirador Construction Inc | B | 2018 | Active |
| Morgan Fence And Awning | B + C13, D03, D24 +1 | 2008 | Active |
| Mr Rooter Plumbing | A + C36 | 1993 | Active |
| Muehlhan Industrial Services Inc | A + C33, D39 | 2018 | Active |
| Munson S T Construction Inc | B | 1992 | Active |
| National Coating & Lining Company | A + C33 | 2006 | Active |
| Newkirk Construction Company Inc | B | 1986 | Active |
| Nextgen Professional Builders Inc | B | 2025 | Active |
| Nisus Construction LLC | B | 2021 | Active |
| Norcal Property Restoration | B2 | 2024 | Active |
| North Bay Plumbing Inc | A + C4, C16, C36 | 1981 | Active |
| O P Soluction Construction Inc | B | 2026 | Active |
| Ohana Remodeling | B2 | 2026 | Active |
| Palma's General Construction | B | 2025 | Active |
| Petru Construction Inc | B | 2020 | Active |
| Pinguelo Construction Inc | B + C17 | 1991 | Active |
| Plough Construction Inc | B | 1989 | Active |
| Portalia Construction | B + C53 | 2021 | Active |
| Portes Hill Construction Inc | B | 2020 | Active |
| Precision Construction & Integration Inc | B + C10 | 2025 | Active |
| Prefabadu | B | 2026 | Active |
| Reliance Construction Services Inc | B | 2025 | Active |
| Renovo Build Inc | B | 2026 | Active |