Allis Chalmers 1 Armstrong-Siddeley 1 Aston Martin 1 Avery 1 Bentley 2 Buick 35 Cadillac 29 Case 1 Caterpillar 1 Chevrolet 65 Chrysler 21 CO-OP 1 Crosley 5 DeSoto 22 Diamond T 1 Dodge 43 Fargo 2 Farmall 1 Ferguson Tractor 6 Ford 52 Ford Tractor 16 Fordson 1 Frazer 9 GMC 19 Harley-Davidson 2 Huber 1 Hudson 17 International 3 Jaguar 4 Jeep 26 John Deere 1 Kaiser 8 Land Rover 4 Lincoln 18 Love 1 Massey-Harris 1 McKormick-Deering 1 Mercedes-Benz 1 Mercury 28 MG 5 Minneapolis Moline 1 Mustang 1 Nash 12 Oldsmobile 49 Oliver 1 Packard 19 Peugeot 1 Plymouth 28 Pontiac 42 Porsche 1 Renault 1 Rolls Royce 1 Silver King 1 Simca 1 Studebaker 23 Triumph 1 Tucker 2 Invicta 1 Reo 1