| 100x Construction | B + C10, C36 | 2023 | Active |
| 2 Ground Electric | B + C10, C36 | 2013 | Active |
| 320 Grit Inc | A, B | 2026 | Active |
| 4sgroup Builder & Realestate Investments Inc | B | 2020 | Active |
| 7 Principles Electric | B + C10 | 2021 | Active |
| A & B Construction Inc | B | 2006 | Active |
| A & B Home Remodeling & Design Inc | B | 2012 | Active |
| A & R Corporation Inc | B | 2010 | Active |
| A 2 Z Construction Services | B + C12, C21, HAZ | 2006 | Active |
| A Omega Termite & Construction Corp | B | 2001 | Active |
| A P S I Construction Management | B | 2017 | Active |
| Aa Plumbing Remodel LLC | B + C36 | 2022 | Active |
| Aaa Sun Builders | B + C10 | 2012 | Active |
| Aam&Jianan LLC | B | 2025 | Active |
| Acar Construction Inc | B | 2025 | Active |
| Accurate Termite And Pest Control | B | 2004 | Active |
| Active Restoration | B + D64 | 2019 | Active |
| Adams GC Construction | B | 2018 | Active |
| Adu Development | B | 2021 | Active |
| Adu-Container Construction Company | B | 2025 | Active |
| Advalue Construction Inc | B | 2020 | Active |
| Advance General Construction Inc | B | 2010 | Active |
| Advanced Construction Tech LLC | A, B + C36 | 2022 | Active |
| Advanced Construction Technologies LLC | A, B + C10, C36, D09 | 2001 | Active |
| Aeos Studio Inc | B | 2026 | Active |
| Afa Builders Inc | B | 2022 | Active |
| Affordable Quality Remodeling Corporation | B + C6 | 2006 | Active |
| Ag Construction | B | 2026 | Active |
| Aggie Construction Co Inc | A, B + ASB, C36, HAZ | 1984 | Active |
| Aim Construction | B | 2025 | Active |
| Airton Construction | B | 2026 | Active |
| Akf Construction Inc | B | 2022 | Active |
| Alfa Construction & Remodel | B | 2017 | Active |
| Alita Construction Inc | B + C10 | 2025 | Active |
| All In One Facility Services | B | 2025 | Active |
| All Space Design & Construction | B | 2019 | Active |
| Alliance Residential Builders II LLC | B | 2007 | Active |
| Alpha Omega Contractors Inc | B | 2014 | Renew by Nov 30, 2026 |
| Alpha Omega Home Builders | B + C9 | 2011 | Active |
| Am Pro Construction | B | 2017 | Active |
| American Ashlar Corporation | B | 2007 | Active |
| American Best Construction Inc | B + C20, C39 | 2022 | Active |
| Anchorstrong Construction Inc | B | 2012 | Active |
| Andreas Fault Property Services | B + C36 | 2009 | Active |
| Antis Roofing & Waterproofing LLC | B + C39 | 1989 | Active |
| Anvil Construction Company Inc | B | 2014 | Active |
| Aplus Development | B | 2024 | Active |
| Applied Geokinetics LP | A, B + C10, C16, C36 +2 | 2022 | Active |
| Aquagreen Constructing | B + C27, C53 | 2019 | Active |
| Arb Inc | A, B + C4, C10, C16 +2 | 1960 | Active |
| Archspirit Design & Build | B | 2026 | Active |
| Areio Inc | B | 2014 | Active |
| Armanie Builders Inc | B | 2021 | Active |
| Armin LLC | B | 2003 | Active |
| Arqova Construction | B + C15, C21, C33 | 2026 | Active |
| Arsha Team Construction | B | 2022 | Active |
| Artech Builder Corporation | B | 2025 | Active |
| Artech Design & Construction Inc | B + C53 | 2022 | Active |
| Asas Construction & Remodeling | A, B | 2024 | Active |
| Atomic Property Services Inc | B | 1995 | Active |
| Attic Construction Oc | B + C2 | 2019 | Active |
| Avana Ifm | B + C15, C21, C33 | 2021 | Active |
| B&R Builders LLC | B | 2023 | Active |
| Badraun Builders Inc | B | 2008 | Active |
| Ballast Construction | B | 2021 | Active |
| Barrett & Crawford Development Corp | B | 2004 | Active |
| Barton Electric | B + C10, C16 | 2018 | Active |
| Bartwood Construction Inc | B | 1990 | Active |
| Base Construction Inc | A, B + C36 | 1995 | Active |
| Bassi Design & Construction Corporation | B | 2025 | Active |
| Beazer Homes Holdings LLC | B | 2003 | Active |
| Bel Esprit Builders Inc | B + C20, C33, C36 +1 | 1995 | Active |
| Bellagio Home Improvement Inc | B | 2017 | Active |
| Bentake Construction Inc | B + C36 | 2025 | Active |
| Benz Ventures Inc | B | 2021 | Active |
| Bethel Top Construction Inc | B + C27 | 2017 | Active |
| Big Ben Inc | A, B + C8, C27, C31 | 2000 | Active |
| Big Red Construction Co | B | 2022 | Active |
| Big T Rental Company LLC | B | 2026 | Active |
| Black Oak Construction | B | 2016 | Active |
| Blue Horizon Construction Services Inc | B | 2023 | Active |
| Blue Ladder Construction LLC | B | 2022 | Active |
| Blue Ocean General Contractors Inc | B | 2021 | Active |
| Bogart Construction Inc | B | 1995 | Active |
| Bomel Construction Co Inc | A, B + C8 | 1970 | Active |
| Bottom Line Utility Solutions Inc | B + C10, C36, D35 | 2006 | Active |
| Brandywine Homes | B | 1997 | Active |
| Brandywine Residential | B | 2013 | Active |
| Breezy Builders Inc | B | 2021 | Active |
| Buildcrest Construction Corp | A | 2025 | Active |
| Builders Alliance LLC | B | 2024 | Active |
| Builderwell | B + C6, C53 | 2017 | Active |
| Building Consensus | B | 2003 | Active |
| Buildly Design & Construction Inc | B | 2022 | Active |
| Buildnetx Consultants Inc | B | 2026 | Active |
| Buildpro Carpet One Floor & Home | B + C15, C36 | 2016 | Active |
| Buildwatt Inc | B + C10 | 2026 | Active |
| Buildwise Builders | B + C10 | 2025 | Active |
| Buildwise Spaces LLC | B | 2017 | Active |
| Builteck Co | A, B + C8, C9, C10 +3 | 2024 | Active |