Constructor	Drivers
Aston Martin	2
BRM	5
Christensen Offenhauser	1
Connaught Alta	1
Cooper Borgward	2
Cooper Climax	16
Cooper Maserati	6
Cooper OSCA	1
Dunn Offenhauser	1
Elder Offenhauser	1
Epperly Offenhauser	4
Ferrari	7
JBW Maserati	1
Kurtis Kraft Offenhauser	14
Kuzma Offenhauser	5
Lesovsky Offenhauser	2
Lotus Climax	5
Maserati	9
Moore Offenhauser	1
Phillips Offenhauser	1
Porsche	3
Sutton Offenhauser	1
Tec-Mec Maserati	1
Vanwall	1
Watson Offenhauser	5