- CPTA Bicycle Trials
- ATRA (Alberta Trials Riders Assn).
- COTA (Columbia Observed Trials Assn, Portland,
OR).
- INTA (Inland Trials Assn, Spokane, WA).
- OTRA (Okanagen Trials Riders Assn, Kelowna,
BC).
- PST (Puget Sound Trialers, Seattle, WA).
- STRA (Southeastern Trials Riders Assn,
Alabama/Tennessee/Georgia/Carolina).
- SWITA (Southwest Idaho Trials Assn, Idaho).
- VMC (Victoria Motorcycle Club,Vancouver
Island).
- VOTE (Very Obsessed Trials Enthusiasts,
Southern California).
- WTA (Wasach Trials Assn, Utah ).
- WMTA (Wyoming Motorcycle Trials Assn).
- WOTA (Wisconsin Observed Trials Assn).
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