| Business | Phone |
| Fuel Injection Specialties 11051 Wye St, San Antonio 78217 | (210) 654-0774 |
| Performance Engineering San Antonio 78217 | (210) 657-2368 |
| Selca International Inc 622 Isom Rd 102, San Antonio 78216 | (210) 366-4560 |
| Speed Freaks 4302 Centergate St, San Antonio 78217 | (210) 651-7300 |
| Gilkey Family Racing 3011 Cassowary Hl, San Antonio 78247 | (210) 822-0285 |
| Rodney Smith Race Cars 7206 Eckhert Rd 4, San Antonio 78238 | (210) 522-1533 |
| Pit Stop High Performance Rcng 414 N General Mcmullen, San Antonio 78237 | (210) 432-1617 |