Constructor	Drivers
Adams Offenhauser	2
Alfa Romeo	6
Alta	2
Cooper JAP	1
Deidt Offenhauser	3
ERA	5
Ewing Offenhauser	1
Ferrari	5
Ferrari Jaguar	1
Kurtis Kraft Cummins	1
Kurtis Kraft Offenhauser	15
Langley Offenhauser	1
Lesovsky Offenhauser	2
Marchese Offenhauser	1
Maserati	16
Maserati Milano	2
Maserati Offenhauser	3
Moore Offenhauser	4
Nichels Offenhauser	1
Olson Offenhauser	1
Rae Offenhauser	1
Simca-Gordini	2
Snowberger Offenhauser	1
Stevens Offenhauser	1
Talbot-Lago	12
Watson Offenhauser	1
Wetteroth Offerhauser	1