- American Drag Club
- Auto
- Bakersfield Street Racing
- Brindabella Motorsport
- CACC Autosports
- Calagary Sports Car
- Concord Auto Grass
- Forged Motor Sports
- Galway Motor Club
- Golden Eagle Sports Car
- Grampian Automobile Club
- Highland Car Club
- Historic Racing Club
- Interstellar Motorsport
- KAPITI Car Club
- Lakeshore Sports Car
- Madison Sports Car Club
- Marshals' Guild
- Newrides.com
- North Wales Autograss