SHELTON RACING ENGINES 
| A Main Motors | |
| Buckwalter Motorsports | |
| Comet Kart Sales | |
| Dodd Performance | |
| F and M Motorworks | |
| Hansen Racing Products | |
| Hawkins Performance | |
| NR Racing | |
| Pete Hawkins Racing | PHR |
| SHELTON ENGINES | SHELTON RACING ENGINES |
| Ziggys Motoworks | |