Sport: MTB

Welsh Racing Drivers Association Ltd.

Wessex Motor Racing Club

West of Scotland Kart Club

Wigan and District Motor Club

Windsor Car Club

York University Karting Club

Warwick Formula Student

Z Car Club Q Inc

Z Car Club Sydney Inc

Walkerville All Cars Club Inc

Wallasey Motor Club

Warrnambool Kart Club

Warwick District Sporting Car Club Inc

Warwick Kart Club

Western Desert Racers