National Karting Organizations
| CIK-FIA: Commission Internationale de Karting | Key European/Asian Karting Organization |
| International Kart Federation | Western US Recreational Organization |
| Karters of America Racing Triad | Central US Recreational Organization |
| World Karting Association | Western US Recreational Organization |
| Rotax Max Challenge | North American division of Global Rotax Series |
| Rock Island Grand Prix | King of the Streets Organization |
| Superkarts!USA | Pro Shifter racing organization |
| Stars of Tomorrow | Pro Shifter racing organization |
| World Super Kart Challenge | 250CC Shifter racing organization |