| Business | Phone |
| Hoosier Road & Drag Racing 1919 Airbase Rd, Louisville 37777 | (865) 984-3232 |
| Competition Racing Equipment 4417 Singleton Station Rd, Louisville 37777 | (865) 982-2659 |
| Appalachaian Race Tire 1919 Airbase Rd, Louisville 37777 | (865) 681-6622 |