Constructor	Drivers
Alfa Romeo	7
Alta	1
BRM	3
Bromme Offenhauser	1
Deidt Offenhauser	4
ERA	2
Ferrari	8
Hall Offenhauser	1
HWM Alta	2
Kurtis Kraft Novi	2
Kurtis Kraft Offenhauser	17
Kuzma Offenhauser	1
Lesovsky Offenhauser	1
Marchese Offenhauser	1
Maserati	10
Maserati Milano	2
Maserati Offenhauser	1
Maserati OSCA	1
Moore Offenhauser	2
OSCA	1
Pawl Offenhauser	1
Schroeder Offenhauser	2
Sherman Offenhauser	1
Simca-Gordini	4
Talbot-Lago	14
Thin Wall Ferrari	2
Trevis Offenhauser	1
Veritas	1
Watson Offenhauser	1