| Business | Phone |
| Epi-Electrical Enclosures 10000 W Commerce St, San Antonio 78227 | (210) 673-3580 |
| Wesco Distributing Inc 1801 S Flores St, San Antonio 78204 | (210) 225-0492 |
| Bio Kinetics Corp Po Box 690910, San Antonio 78269 | (210) 691-3600 |
| Slo-Syn Stepping Motors 4338 Tejasco, San Antonio 78218 | (210) 822-7097 |
| Priester Supply Co 5908 La Colonia, San Antonio 78218 | (210) 661-2348 |