Apperson 1 Auburn 6 Biddle 6 Bugatti 1 Buick 8 Cadillac 8 Case 6 Chevrolet 16 Cunningham 6 Dodge 6 Elcar 1 Ford 24 Fordson 1 Franklin 6 Hudson 10 Hupmobile 6 Jordan 2 Locomobile 6 Mack Trucks 1 Marmon 6 Maxwell 6 Mitchell 3 Oakland 6 Oldsmobile 7 Packard 7 Paige 7 Pierce-Arrow 7 Pullman 4 Reo 9 Roamer 2 Rolls Royce 1 Studebaker 7 Stutz 7 Thomas 4 Velie 6 Willys 10 Winton 4