Apperson 1 Auburn 7 Biddle 6 Bugatti 1 Buick 10 Cadillac 7 Case 7 Chevrolet 16 Citroen 1 Cleveland 1 Cole 6 Cunningham 6 Davis 2 Dodge 5 Du Pont 1 Elcar 2 Essex 1 Ford 28 Fordson 1 Franklin 6 Gardner 1 Hispano-Suiza 1 Hudson 10 Hupmobile 6 Jordan 2 Locomobile 6 Mack Trucks 1 Marmon 6 Maxwell 6 Mitchell 3 Moon 2 Nash 6 Oakland 6 Oldsmobile 8 Packard 7 Paige 7 Peerless 1 Pierce-Arrow 7 Reo 11 Roamer 2 Rolls Royce 1 Stearns Knight 3 Studebaker 9 Stutz 7 Willys 11 Winton 4