| Champion Spark Plugs | Bob Pierce Race Cars |
| Petersen Aluminum | Pro Power Racing Engines |
| Murphy Trucking | American Metal Supply Company |
| Keyser Manufacturing Co. | Showtime Signs |
| Hoosier Racing Tire | Advanced Racing Suspensions |
| AFCO | Allstar Performance |
| Arizona Sport Shirts | Beyea Custom Headers |
| Crutcher Mfg. | Dotcommon Designs |
| Dyer's Top Rods | Fast Shafts |
| Goodridge Hose & Fittings | Hypercoils |
| KB Carburetors | KFP Magnum Pads |
| Micro-Armor Lubricants | Out-Pace Racing Products |
| PEM Gears & Drivetrain | Performance Bodies |
| Petersen Oil Systems | Quick Car Racing Products |
| R2C Filters | RCi |
| Richardson Racing Products | Simpson |
| Sweet Mfg. | VP Racing Fuels |
| Weld Racing Wheels | Wilwood Disc Brakes |