Apperson 2 Auburn 7 Biddle 6 Bugatti 1 Buick 11 Cadillac 12 Case 8 Chevrolet 19 Cole 7 Cunningham 7 Dodge 7 Elcar 3 Ford 25 Fordson 1 Franklin 8 Hudson 11 Hupmobile 7 Jordan 3 Locomobile 7 Mack Trucks 1 Marmon 7 Maxwell 7 Mitchell 4 Nash 7 Oakland 7 Oldsmobile 8 Packard 8 Paige 8 Pierce-Arrow 9 Reo 10 Roamer 2 Rolls Royce 1 Studebaker 9 Stutz 8 Velie 7 Willys 11 Winton 5