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Canada
Bluenose Soaring Club - Stanley, Nova Scotia, Gatineau Gliding Club, Great Lakes Gliding Club of Toronto, Guelph Gliding & Soaring Association, Southern Ontario Soaring Association, Toronto Soaring Club, Winnipeg Gliding Club, York Soaring Association
United States
1-26 Association, 29 Palms Soaring Club, Adirondack Soaring Group, Inc., Air Sailing, Inc, Alaska Mountain Soaring, Associated Glider Clubs of Southern California, Bay Area Soaring Associates, Bermuda High Soaring, Inc. Lancaster, South Caroli, Black Forest Soaring Society, Blue Ridge Soaring Society