| Business | Phone |
| Transmission Techniques 6314 Georgia Highway 400 B, Cumming 30040 | (678) 455-5585 |
| Wright's Transmission Svc 5265 Bottoms Rd, Cumming 30041 | (770) 844-0080 |
| Aamco Transmissions 529 Canton Rd C, Cumming 30040 | (770) 887-0047 |
| European Transmissions & Parts 2430 Oak St E, Cumming 30041 | (770) 888-1499 |
| Howell's Transmission Svc 3795 Drew Rd, Cumming 30040 | (770) 887-2660 |