| 3dxit Construction | B | 2023 | Active |
| 3rs Construction Services Inc | B | 2023 | Renew by Dec 31, 2026 |
| 4 J Drywall Corp | B + C9, C33 | 2021 | Active |
| A & A Builders Group Inc | B | 2019 | Active |
| A C S General Construction | B | 2019 | Active |
| A D J Construction Inc | B | 2007 | Active |
| A M J Builders Inc | B | 2019 | Active |
| A P G Builders Inc | B + C9 | 2015 | Active |
| Acg Builders Inc | B + C17 | 2020 | Active |
| Aci Builders | B + C15 | 2009 | Active |
| Addison Equipment Rental | A + C12 | 1982 | Renew by Dec 31, 2026 |
| Aguayo Jesus | B | 1995 | Active |
| All Citi Builder Inc | B | 2026 | Active |
| All State Earth Moving Company | B + C12, C42 | 2023 | Active |
| Alta Insulation & Construction Inc | B + C2 | 2021 | Active |
| Alton Construction Co | B | 2021 | Active |
| Alx Build And Design Inc | B | 2017 | Active |
| American West Restoration Inc | B | 2014 | Active |
| Amj Builders Inc & Melaya Engineering Inc JV | A, B | 2025 | Active |
| Ams Paving LLC | A + C12 | 1981 | Active |
| Andrade Engineering Inc | A | 2023 | Active |
| Apexguard Construction | B + C13 | 2025 | Active |
| Aquadry Plumbing And Restoration Inc | B + C36 | 2026 | Active |
| Ar Cabinets Countertops Inc | B + C54 | 2026 | Active |
| Arias Investments | B | 2009 | Active |
| Ascend Design And Construction Inc | B + C27 | 2022 | Active |
| B I G General Contractors Inc | B | 2026 | Active |
| B M L Quality Construction Inc | B | 2017 | Active |
| Blackstone Technologies | B + C7 | 2012 | Active |
| Blue Level General Contractor | B | 2022 | Active |
| Boxcrete Construction & Design Inc | B | 2023 | Active |
| Budget Construction LLC | B + D34 | 2009 | Active |
| Burrtec Waste Industries Inc | A | 2001 | Active |
| C&R Dinasty Corporation | B | 2025 | Active |
| Cal - Line Construction Inc | A, B | 2016 | Active |
| Calmar Construction Inc | B + ASB, C21, C22 | 2015 | Active |
| Capiro's Plumbing & Construction Inc | B + C36 | 2023 | Active |
| Castillos Construction Services Inc | B | 2020 | Active |
| Coast Recreation Inc | B + D12, D34 | 2019 | Active |
| Construction | A | 2024 | Active |
| Cova Concrete | B + C8, D63 | 2025 | Active |
| CR Plumbing & Drain Services | B | 2025 | Active |
| Cutting Edge Commercial Construction | B | 2026 | Active |
| Diamondback Sawing And Coring Inc | A | 2014 | Renew by Dec 31, 2026 |
| Dime Design LLC | B + ASB | 2023 | Active |
| Disabled Veteran Modular Buildings Inc | B | 2022 | Active |
| DLG Builders Inc | B | 2015 | Active |
| Earth General Construction | B | 2020 | Active |
| Etv Development Inc | B | 2022 | Active |
| Everrise Construction Group | B | 2026 | Active |
| Express Contractors Inc | B + C15, C29, C54 | 1998 | Active |
| Federal Building & Roofing Inc | B + C39 | 1979 | Active |
| Final Touch Construction & Design | A, B + C39 | 2009 | Active |
| Fixit Construction Group | B2 | 2026 | Active |
| G W Construction | B | 2014 | Active |
| Gar Construct Corp | B | 2016 | Active |
| Gen Mechanical Inc | B + C20 | 2022 | Active |
| General Contracting Structural Services & Repair | B + D34 | 1994 | Active |
| Gold Coast Refractory Service | A + C4 | 1988 | Renew by Nov 30, 2026 |
| Grand Concrete Inc | A + C8 | 2020 | Active |
| Guzman Grading And Paving Corp | A + C12 | 2007 | Active |
| H & M Framing And Construction Inc | B | 2017 | Active |
| H2m Power Construction Inc | B + C10 | 2025 | Active |
| Hadyeh Construction Inc | B + C10 | 2011 | Active |
| Hale General Construction Inc | B | 2025 | Active |
| Hazmat Team Inc The | A + C34 | 2021 | Active |
| HJ Constructors | B | 2025 | Active |
| Icon Structures | B + C43, C51 | 1996 | Renew by Nov 30, 2026 |
| Infinite Empire Construction Inc | B | 2024 | Active |
| Inland Grading Engineering | A + HAZ | 2016 | Active |
| Integrity Construction & Management LLC | B | 2025 | Active |
| Iz Construction LLC | B | 2005 | Active |
| Jahndarosa Engineering | A, B | 2020 | Renew by Dec 31, 2026 |
| Jam Engineering Inc | A | 2024 | Active |
| Jaska Building Systems Inc | B | 1998 | Active |
| Jsa General Construction | B | 2018 | Renew by Dec 31, 2026 |
| K & L Contracting Inc | A, B + C21 | 1988 | Active |
| Kaan Constructions Inc | B | 2024 | Active |
| Kelleher Remodeling | B2 | 2025 | Active |
| Kent Electric Co | B + C10 | 1975 | Active |
| Kings Quality Construction | B | 2024 | Active |
| KMH Construction Inc | B | 1993 | Active |
| L & F Remodeling Inc | B | 2018 | Active |
| Lancet Contracting Inc | B | 2011 | Active |
| Landeros & Sons Construction Inc | B | 2026 | Active |
| Liel Construction Inc | B | 2009 | Active |
| Lousand Construction & Electrical Inc | B + C10, C36 | 2022 | Active |
| Luman Air Conditioning | B + C20 | 2024 | Active |
| Lunaka Construction | B | 2024 | Active |
| Lux Building Inc | B | 2015 | Active |
| LX Pantos America Inc | B + D34 | 2024 | Renew by Nov 30, 2026 |
| M & G Electrical | A, B + C10 | 2023 | Active |
| M D L Construction Inc | B | 1998 | Active |
| Maroon Bell Construction Inc | B | 2022 | Active |
| MC Guire Contracting Inc | B + C8 | 2003 | Active |
| McLeod Technologies Inc | B + C10 | 2021 | Active |
| Mendoza Cruz Construction Inc | A, B | 2019 | Active |
| Mendoza Engineering Company Inc | A | 2024 | Active |
| Monriz Construction Inc | B | 2016 | Active |
| Nedall Construction | B | 2022 | Active |