| Business | Phone |
| Aamco Transmissions 3625 Harvester Rd, St Peters 63303 | (636) 926-0448 |
| Allen Transmission St Peters 63376 | (636) 928-9797 |
| American Transmission Inc 320 Depot St, St Peters 63376 | (636) 970-1299 |
| Excel Transmissions Inc St Peters 63376 | (636) 928-6180 |
| Coleman-Taylor Transmission 15 Charleston Sq, St Peters 63304 | (636) 939-3444 |