| Business | Phone |
| Holt Machine Shop 3302 S Ww White Rd, San Antonio 78222 | (210) 922-5842 |
| Gensis Contracting Co Inc San Antonio 78238 | (210) 509-7227 |
| Markle Manufacturing Co 10619 N Ih 35, San Antonio 78233 | (210) 655-7130 |
| General Supply Co Inc 18965 Redland Rd B, San Antonio 78259 | (210) 824-1414 |
| Ornamental & Structure Fab 1354 Ceralvo St, San Antonio 78207 | (210) 433-1741 |
| Unico Steel San Antonio 78264 | (210) 624-9211 |