| Business | Phone |
| Corby Concepts Inc 312 Gasoline Aly, Indianapolis 46222 | (317) 248-1914 |
| Cruz Pedregon Racing Inc 2205 S County Road 1050 E, Indianapolis 46231 | (317) 858-7590 |
| Forsythe Championship Racing 7231 Georgetown Rd, Indianapolis 46268 | (317) 216-9000 |
| Goodridge Usa Inc 4701 Rockville Rd, Indianapolis 46222 | (317) 244-1000 |
| Waterman Racing Components 30 Gasoline Aly, Indianapolis 46222 | (317) 244-1424 |