| Atelier 507 LLC | B-2 | Active |
| Ati Restoration LLC | B | Active |
| Aurora Construction LLC | B-2 | Active |
| Austi Inc | AB | Active |
| Austin General Contracting Inc | B | Active |
| Avangard Construction LLC | B-2 | Active |
| Axiom Construction And Management LLP | B | Active |
| Axis Constructors | B-2 | Active |
| Axison Design | B-2 | Active |
| Aztech Construction LLC | B-2 | Active |
| B & F Construction | B-2 | Renew by Nov 30, 2026 |
| B & J Construction LLC | B-2 | Active |
| B A C H Land Development LLC | B | Active |
| B F Contracting | B | Active |
| B H Construction LLC | B-2 | Active |
| B M C Contracting LLC | AB | Active |
| B M C Contracting LLC | B | Active |
| B P Construction | B | Active |
| B R C Construction Of Nevada LLC | B-2 | Active |
| Baigs Construction | B-2 | Active |
| Baker Construction Inc | B | Active |
| Barb Construction LLC | A | Active |
| Bars Construction And Design Inc | B-2 | Active |
| Battle Born Construction LLC | A | Active |
| Battle Born Construction LLC | B-2 | Active |
| Battle Born Industries LLC | B-2 | Renew by Nov 30, 2026 |
| BCC Contracting Nevada Inc | B-2 | Active |
| Becker V Development | AB | Active |
| Beem Constructors LLC | A | Active |
| Behade Builders Inc | B | Active |
| Behr Construction Co | A | Active |
| Behr Construction Co | B | Active |
| Ben Mammina Development Group LLC | B | Active |
| Bentar Development Inc | B | Active |
| Better Building Systems | B | Active |
| Better Place Construction LLC | B-2 | Active |
| Beyond Energy Company | B-2 | Active |
| Big Horn Remodeling | B-2 | Active |
| Bigelow Development Corporation | B | Active |
| Black Canyon Construction | A | Active |
| Black Mountain Development | B-2 | Active |
| Blackfin Developers LLC | B | Active |
| Blackhawk Developers LLC | B-2 | Active |
| Blackstone Construction LLC | B-2 | Active |
| Blackstone Construction LLC | A | Active |
| Blaser Construction Inc A Nevada Close Corporation | B-2 | Active |
| Blue Chip Development Corporation | B-2 | Active |
| Blue Diamond Construction LLC | B-2 | Active |
| Blue Heron Design/Build LLC | B | Active |
| Blueprint Construction | B | Active |
| Boardwalk General Contracting LLC | B-2 | Active |
| Bobby T S Commercial Building Maintenance | B-2 | Active |
| Bomel Construction Co Inc | B | Active |
| Boyd Martin Construction LLC | B | Active |
| Boyd Martin Construction LLC | AB | Active |
| Bozarth Construction Inc | B-2 | Active |
| Brandise Construction Co Inc | B | Active |
| Breeze Builders LLC | B | Active |
| Breslin Builders | B | Active |
| Bridgeport Construction LLC | B-2 | Active |
| Brightview Construction LLC | B-2 | Active |
| Brilliant General Maintenance Inc | B-2 | Active |
| Britim Inc | A | Active |
| Britim Inc | B | Active |
| Brookstar Homes Inc | B-2 | Active |
| Bruce Graves Development Corporation | B-2 | Active |
| Brussel Consulting And Construction Management | B | Active |
| Bryan Construction Inc | B | Active |
| Bryker Industries LLC | B-2 | Active |
| Bud Yates Construction Co Inc | B-2 | Active |
| Build4u LLC | B-2 | Active |
| Builders & Renovators Of Southern Nevada LLC | B-2 | Active |
| Builders Customer Service Administration LLC | B-2 | Active |
| Builders United | B | Active |
| Builders United LLC | B | Active |
| Buildex Construction LLC | B-2 | Active |
| Building New Structure LLC | B-2 | Active |
| Building Workshop LLC | B-2 + B-6 | Active |
| Buildream LLC | B-2 | Active |
| Built For U LLC | B-2 | Active |
| Burk Brothers LLC | B-2 | Active |
| Burke Construction Group Inc | AB | Active |
| Burke Special Projects LLC | B | Active |
| Burke Special Projects LLC | A | Active |
| Burnett Haase Construction LLC | B | Active |
| Burrola Construction LLC | B-2 | Active |
| Butlers Construction And Service Solutions LLC | B | Active |
| Bydesign General Contracting LLC | B | Active |
| C & F Builders LLC | B-2 | Active |
| C & F Builders LLC | A | Active |
| C & M Home Designs LLC | B-2 | Active |
| C & R Contracting LLC | B-2 | Active |
| C A Builders LLC | B-2 | Active |
| C A N V Construction Company Inc | B | Active |
| C And S Company Inc | A | Active |
| C C Construction Of Nevada LLC | A | Active |
| C D Quality Interiors LLC | B-2 | Active |
| C E I Builders | B | Active |
| C J Bailey Development LLC | B-2 | Active |
| C M Builders | B | Active |