| Business | Phone |
| Tri-City Transmissions Inc 225 W Market St, Johnson City 37604 | (423) 929-2651 |
| Protech Service Center 126 E Springbrook Dr, Johnson City 37601 | (423) 282-5030 |
| East Tennessee Transmission 2503 W Market St, Johnson City 37604 | (423) 926-7700 |
| East Tennessee Transmissions 928 W Main St, Johnson City 37604 | (423) 929-8121 |
| Ems Transmissions Inc 900 W Market St, Johnson City 37604 | (423) 928-7267 |
| Mr Transmission 2810 W Market St, Johnson City 37604 | (423) 232-7702 |