 | CART Championship Auto Racing Teams |
| CASC Canadian Automobile Sport Clubs |
| FIA Federation Internationale de l'Automobile |
| IHRA International Hot Rod Association Drag Racing |
| Indy Racing Online formerly the Indy Racing League (IRL) |
| IMSA International Motor Sports Association |
| NASCAR National Association for Stock Car Auto Racing |
| NHRA National Hot Rod Association |
| SCCA Sports Car Club of America |
| USAC United States Auto Club |
