Constructor	Drivers
Bromme Offenhauser	2
Connaught Lea Francis	5
Cooper Alta	1
Cooper Bristol	3
Ferrari	11
Gordini	9
HWM Alta	1
Klenk BMW	1
Kurtis Kraft Offenhauser	27
Kuzma Offenhauser	4
Lancia	2
Maserati	20
Mercedes-Benz	4
Nichels Offenhauser	3
Pankratz Offenhauser	1
Pawl Offenhauser	2
Phillips Offenhauser	1
Schroeder Offenhauser	4
Stevens Offenhauser	4
Vanwall	1