| Business | Phone |
| Agaarr Structural Design 10530 Rockley Rd, Houston 77099 | (832) 351-3478 |
| Barrett Detailing Co 5635 Nw Central Dr 106, Houston 77092 | (713) 462-3461 |
| Crm Structural Svc 6111 Fm 1960 Rd W 109, Houston 77069 | (281) 580-6864 |
| Dedco Co 2200 North Loop W 116, Houston 77018 | (713) 460-8085 |
| Lambright Drawing Inc 11030 Hanning Ln, Houston 77041 | (713) 856-6250 |
| Hughes Detailing Svc 607 E Tidwell Rd # B, Houston 77022 | (713) 699-2482 |