Apperson 1 Auburn 7 Ballot 1 Bentley 2 Buick 11 Cadillac 10 Case 7 Chandler 1 Chevrolet 15 Chrysler 6 Citroen 1 Cleveland 1 Cole 7 Cunningham 7 Davis 2 Dodge 9 Du Pont 1 Durant 1 Elcar 2 Essex 1 Flint 2 Ford 27 Fordson 2 Franklin 6 Gardner 2 Graham Brothers 4 Hispano-Suiza 1 Hudson 8 Hupmobile 6 Jewett 2 Jordan 2 Lexington 1 Lincoln 3 Locomobile 6 Mack Trucks 1 Marmon 6 Maxwell 6 Moon 2 Nash 10 Oakland 7 Oldsmobile 8 Packard 12 Paige 7 Peerless 1 Pierce-Arrow 8 Reo 11 Rickenbacker 3 Roamer 2 Rolls Royce 1 Star 4 Stearns Knight 3 Studebaker 9 Stutz 7 Willys 9 Winton 5 Yellow Cab 1 Duesenberg 2