| 4-by Construction & Plastering Inc | B + C35 | 2025 | Active |
| A & R Works | B | 2019 | Active |
| A A G Construction Inc | B + C8 | 2024 | Active |
| A G S Hotel Renovation Corporation | B + C17 | 2016 | Active |
| A M G Construction Group | B | 2017 | Active |
| Able Glass Services | A, B + C17, C20 | 1966 | Active |
| Able Maintenance Service | A, B + C10, C17, C20 +1 | 2013 | Active |
| Accu-Cut Inc | A + C8, C21, D06 | 1985 | Active |
| Ace Tek Roofing Co | B + C39 | 2008 | Active |
| Adu Express Construction LLC | B | 2018 | Active |
| Alan Pre-Fab Building Corporation | B | 1971 | Active |
| Aleksandar Inc | B + C33 | 1993 | Active |
| Alexander Construction And Engineering | A, B + C21, D63 | 2012 | Active |
| Alexander D Engineering | A, B | 2023 | Active |
| American Qualified Builders Inc. | B + C9, C35, D39 | 2018 | Active |
| Anm Construction And Environmental Services | B + ASB, C8, C21 +2 | 2004 | Active |
| Anm Restoration Services | B + ASB, C21 | 2004 | Active |
| Anvil Steel Corporation | B + C23, C51 | 1977 | Active |
| Aranda Development Group Inc | B | 2021 | Active |
| Arena Painting Contractors Inc | B + C33 | 1992 | Active |
| Arigato Solutions Inc | B | 2026 | Active |
| Azure Construction Inc | B | 2019 | Active |
| B A Construction | B | 2019 | Active |
| B T E C Inc | B + C10 | 1993 | Active |
| B V C Development Corp | B | 1997 | Active |
| Bahia Construction & Remodeling | B | 2015 | Active |
| Beach Cities Renovations Inc | B | 2022 | Active |
| Belcastro Construction Management | A, B | 2018 | Active |
| Bella Casa Development Corp | B | 2004 | Active |
| Bena Builders Inc | B | 2024 | Active |
| Best Contracting Services Inc | A, B + C17, C39, C43 | 1984 | Active |
| Bestline Plumbing Heating And Construction Inc | A, B + ASB, C10, C20 +3 | 1976 | Active |
| Bloomfield Construction Inc | B + C33 | 2022 | Active |
| Blue Coast Professional Painting | B + C33 | 2024 | Renew by Oct 31, 2026 |
| BNR Construction Inc | B | 2024 | Renew by Nov 30, 2026 |
| Bryant J H Jr Contractors Inc | B + C10, C33 | 1978 | Active |
| Bryant J H Jr Inc | B + C7, C10, C33 | 1981 | Active |
| Builder Ben | B | 2024 | Active |
| Builders Trust Construction | B | 2021 | Active |
| C D & C | B | 2004 | Active |
| Casillas Construction Corporation | A | 2008 | Renew by Nov 30, 2026 |
| City Space Constructors LLC | B | 2021 | Active |
| Coast Fireplaces Inc | B + C43, D34 | 2006 | Active |
| Colich & Sons L P | A | 2000 | Active |
| Contractor Response General Solutions LLC | B | 2026 | Active |
| Cover Building Technologies | B | 2018 | Active |
| Craft Construction & Development Inc | A, B | 2018 | Active |
| Crisfield Construction Inc | B | 2019 | Active |
| D Construction Service LLC | B | 2009 | Active |
| D D Enterprize Inc | B | 2010 | Active |
| D T K Construction Inc | A, B + C36 | 1992 | Active |
| David's Construction & Remodeling Inc | B | 2026 | Active |
| Decorative Engineering & Supply Inc | B | 1977 | Active |
| Del Mar Pro Construction | B | 2021 | Active |
| Dennis Group Inc | B | 1994 | Active |
| Devine Home Building & Remodeling Inc | B | 2019 | Active |
| Diversified Building Solutions Inc | B | 2026 | Active |
| Dutko Hardwood Floors Inc | B + C15 | 1992 | Active |
| Easy Construction Inc | B + C10 | 2021 | Active |
| Ecology Control Industries Inc | A + HAZ | 1997 | Active |
| Edison Development | B | 2024 | Active |
| Efficient Construction | B | 2019 | Active |
| Eguy Construction And Computer Inc | B + C7 | 2018 | Active |
| Euro Builders Inc | B | 1992 | Active |
| Express Construction Solutions LLC | B | 2025 | Active |
| FM Construction Group Inc | B | 2025 | Active |
| Fox Renovations Inc | B | 2011 | Active |
| Fyl Home Improvement Inc | B2 | 2026 | Active |
| G M Design Construction Inc | B + C9 | 2015 | Active |
| Garland Development Inc | B | 1986 | Active |
| General Installation Company | B + C20, C36 | 1955 | Active |
| Gil And Sons Construction | B | 2017 | Active |
| H C H P Contractors LP | B | 2011 | Active |
| H G M Construction Inc | B + C20 | 1982 | Active |
| Hammer Logic Inc | B | 2024 | Active |
| Heaven Place LLC | B | 2024 | Active |
| Hi - Tec | B | 2010 | Active |
| Home Doctor Ca Inc | B | 2025 | Active |
| J M J Custom Builders Inc | B | 2009 | Active |
| JGS Construction Inc | B | 2025 | Active |
| Jr South Bay Electric Inc | B + C10 | 2020 | Renew by Nov 30, 2026 |
| Junior Steel Co. | B + C23, C51 | 2003 | Active |
| K C Restoration Co Inc | B + C33 | 1992 | Active |
| Kayko Group Inc | B | 2019 | Active |
| Kelter Electric Company Inc | B + C10 | 1974 | Active |
| Kompas Build & Design Inc | B + C36 | 2026 | Active |
| Koslu Corporation | B | 1977 | Active |
| Kotuku Inc | B | 2018 | Active |
| L Johnson Construction Inc | B + C8, C29 | 1984 | Active |
| Lee KS Company Inc | B + C6 | 2021 | Active |
| Lehne John & Son Inc | B + C33 | 1956 | Active |
| Lennox Construction Company | B | 2024 | Active |
| Luxsolar Energy Inc | B | 2024 | Renew by Nov 30, 2026 |
| M & R Building Service Inc | B | 2026 | Active |
| M K Builders | B | 2007 | Active |
| Maderas Construction Inc | B | 2008 | Active |
| Marshall Construction Co Inc | B | 2009 | Active |
| Martin - Raymond Joint Venture | B | 2018 | Active |
| Martin Bros/Marcowall Inc | B + C2, C9, C35 +6 | 1967 | Active |
| Mattucci Plumbing Incorporated | A, B + C20, C34, C36 +1 | 1999 | Active |