| Adept Facilities and Design |
| Aggieland Construction |
| Alpha Building Corporation |
| BaseLine Paving & Construction, Inc. |
| Basic IDIQ |
| Brown & Root Industrial Services (formerly Kellogg Brown & Root LLC) |
| Brown & Root Industrial Services (formerly Kellogg Brown & Root LLC) |
| Construction Masters of Houston |
| Corestone Construction Services |
| E Contractors USA |
| EcoXstream, LLC |
| Edu-Source Corporation |
| ERC Environmental & Construction Services |
| Facilities Sources |
| Facilities Sources |
| Falkenberg Construction Co., Inc. |
| Generocity Services, Inc. |
| Horizon International Group LLC |
| LMC Corporation |
| Millennium Project Solutions, Inc |
| Mitchell Contracting |
| Nash Industries, Inc. |
| P2MG |
| Panhandle Steel Buildings Inc. |
| Quad-Tex Construction, Inc, |
| Radius Design Works, LLC |
| Ratliff Group, LLC |
| SERVPRO Spring/Tomball |
| SETEX Construction |
| Thomas Group |
| Tommy Klein Construction |
| TSG INDUSTRIES |
| Vaughn Construction |
| Westco Ventures |