| 21st Century L I H T C Construction Inc | B | 2017 | Active |
| 2by4 Construction Services Inc | B | 2026 | Active |
| 360 Contractors Group Inc | B + C36 | 2015 | Active |
| A & Z Decks & Stairs Inc | B | 2008 | Active |
| A C - D C Automation Inc | B + C7, C10 | 2013 | Active |
| A G S General Contracting Inc | B + C33 | 2013 | Active |
| A I Construction Solutions Inc | B | 2023 | Active |
| A S A Plumbing Inc | B + C36 | 1995 | Active |
| A W I Builders Inc | B + C10, C17, C23 +1 | 2003 | Active |
| A-1 Total Service Plumbing | A, B + C36, C57 | 2025 | Active |
| A27 Builders Inc | B + C36 | 2023 | Active |
| Acosta Delfin Construction Inc | B + C10 | 2011 | Active |
| Acro Constructors | B | 2000 | Active |
| Action Construction Group Inc | B + C12 | 2022 | Active |
| Action General Construction Inc | B | 2025 | Active |
| Advan Corp | B | 2023 | Active |
| Ae Modern Builders Inc | B | 2019 | Active |
| Af Developments LLC | B | 2024 | Active |
| Aguirre Rosales Construction Inc | B | 2018 | Active |
| Ala Renovations | B + C10 | 2025 | Active |
| All Construction Pros Inc | B | 2022 | Active |
| Allgood Construction Inc | B | 2024 | Active |
| Allied Enterprise Group Inc | B | 2016 | Renew by Oct 31, 2026 |
| Aluminum Door & Screen Inc | B + D28, D52 | 1987 | Renew by Nov 30, 2026 |
| Amtech Construction | B | 2022 | Active |
| Anchor Design & Build | B | 2020 | Active |
| Ara Plumbing Inc | A, B + C36 | 1977 | Active |
| Aram G Construction Inc | A, B | 2011 | Active |
| Arbe Construction Co Inc | B | 2000 | Active |
| Ardvan Constructions Inc | B | 1988 | Active |
| Ardyn Construction Inc | B | 2026 | Active |
| Aris Construction Inc | B + C10 | 2006 | Active |
| Armando Construction And Plumbing Inc | B + C36 | 1997 | Active |
| Armedi Group | B | 2023 | Active |
| Armleo Construction | B | 2026 | Active |
| Art & Construction Group Inc | B | 2025 | Active |
| Art Melkonyan Construction Inc | B | 2021 | Active |
| Artec Con | B + C8 | 2011 | Active |
| Ash Construction Inc | B | 2018 | Active |
| Atticare Construction | B + C2 | 2019 | Active |
| Aventi Remodeling Development | B2 + C39 | 2025 | Active |
| Axiom Property Restoration And Construction | B | 2012 | Active |
| B - One Construction Co Inc | A, B | 1984 | Active |
| Baer J Construction Incorporated | B | 2000 | Active |
| Bartona Builders Inc | B + C6 | 2006 | Active |
| Basen Construction Inc | B | 2021 | Active |
| Bava Group Corp | B | 2024 | Renew by Nov 30, 2026 |
| Berg Development Inc | B | 2023 | Active |
| Bison Rail Systems California Inc | A, B | 2025 | Active |
| Bodie Builders Construction Inc | B | 2022 | Active |
| Brennan Construction | B | 2011 | Active |
| Brother's Ironworks Inc | B + C23, C51 | 2000 | Active |
| Builder's Pathway Inc | B | 2015 | Active |
| Builders Capital | B | 2022 | Active |
| Buildgreen Ca Inc | B | 2021 | Active |
| Burbank Development Inc | B | 1985 | Active |
| BZ Build Co LLC | B | 2025 | Active |
| C A V Construction Inc | B | 2003 | Active |
| Cal Outdoor Builders Inc | B | 2023 | Active |
| Cal-X Builders Inc | B | 2024 | Active |
| Cali Remodeling | B | 2019 | Active |
| Casavitae Construction Inc | B | 2011 | Active |
| Cha Pro Construction | B | 2026 | Active |
| Citywide Contractors Inc | B + C33 | 2007 | Active |
| Clear View Roofing & Construction | B + C39 | 2023 | Active |
| Coastline Builders Group | B | 2020 | Active |
| Concentric Homes | B | 2025 | Active |
| Construction & Renovation Technologies | B + C10, C36 | 2024 | Active |
| Construction By United Inc | B + C12 | 2021 | Active |
| Construction Corps Inc | B | 2025 | Active |
| Corestone Construction Inc | A, B + C6 | 2022 | Active |
| Courtesy General Inc | B | 2015 | Active |
| CPC Builders Inc | B | 2006 | Renew by Oct 31, 2026 |
| Create Construction Inc | B | 2020 | Active |
| Creative Innovation Developers Inc | B | 2018 | Active |
| Crown Stone Builder Group | B + C36 | 2026 | Active |
| Csi Building Inc | B | 2020 | Active |
| Cutting Edge Remodeling & Repair | B2 | 2026 | Active |
| Davidson Remodeling | B2 | 2025 | Active |
| De La Cruz Custom Construction Inc | B + C10 | 2024 | Active |
| Design Build Development Inc | B | 2012 | Renew by Nov 30, 2026 |
| Designer Door & Window Inc | B + C5, C6 | 2000 | Active |
| Dezmar Construction | B | 2022 | Active |
| Dh-Remodeling Inc | B2 | 2023 | Active |
| Dialog Group | B | 2022 | Active |
| DN Builders Group Inc | B | 2025 | Active |
| Dna Construction & Design | B + C53 | 2022 | Active |
| Doctor P Plumbing, Heating, And Airconditioning Inc | B + C20, C36 | 2023 | Active |
| DPD Building & Design/Bolt Down La | B | 1996 | Active |
| Dream House Construction | A, B | 2023 | Active |
| DVM Construction Inc | A | 2026 | Active |
| E G & D A Construction Co Inc | B + C10, C33 | 2007 | Active |
| Eg Modern Construction Inc | B | 2024 | Active |
| Eleven Trades Construction Corp | B | 2024 | Active |
| Elise Blaine Construction & Design Inc | B | 2021 | Active |
| Elite Fire Pros Inc | B + C10, C16 | 2024 | Active |
| Ender Construction Development & Investments Inc | B | 2025 | Active |
| Envision Construction Engineering Inc | A, B | 2026 | Active |
| Envision Homes Roofing & Construction Inc | B + C39 | 2024 | Active |
| Epic Roof Replacement | B + C20, C39 | 2021 | Active |