Heel and Toe Sports Car Club, New Jersey; XII Hr. International G.P. of Endurance, Sebring, Florida; California Sports Car Club; Sports Car Club of America, Oklahoma Region; Sporting Owner Drivers Club; S.C.C.A. Central Carolinas Region; Vintage Sport Car Club of America; Albuquerque Sports Car Club; Salt Creek Sports Car Club; S.C.C.A - Sothern Indiana Region; M.M.R.C.; Cleveland Sports Car Club; A.A.A. Automobile Club of New York; T.S.C. Triumph; Horseless Carriage Club, Los Angeles; Telford Auto Club (16)