| Constructors / 1950 | |||
| 1951 » |
| Constructor | Races | Starts | Poles | Wins | Podia | F. laps | Pts | |
| 1 | Adams-Offenhauser | 2 | 2 | |||||
| 2 | Alfa Romeo | 23 | 22 | 6 | 6 | 12 | 6 | 89 |
| 3 | Alta | 3 | 3 | |||||
| 4 | Bardazon-Offenhauser | 2 | ||||||
| 5 | Bromme-Offenhauser | 2 | ||||||
| 6 | Cantarano-Wayne | 1 | ||||||
| 7 | Cooper-JAP | 1 | 1 | |||||
| 8 | Deidt-Offenhauser | 3 | 3 | 2 | 10 | |||
| 9 | Deidt-Sparks | 1 | ||||||
| 10 | ERA | 8 | 8 | |||||
| 11 | Ewing-Offenhauser | 1 | 1 | |||||
| 12 | Ferrari | 18 | 13 | 4 | 21 | |||
| 13 | Ferrari-Jaguar | 1 | 1 | |||||
| 14 | Gdula-Offenhauser | 1 | ||||||
| 15 | Kupiec-Offenhauser | 1 | ||||||
| 16 | Kurtis Kraft-Cummins | 1 | 1 | |||||
| 17 | Kurtis Kraft-Duray | 2 | ||||||
| 18 | Kurtis Kraft-Novi | 2 | ||||||
| 19 | Kurtis Kraft-Offenhauser | 21 | 14 | 1 | 1 | 1 | 1 | 14 |
| 20 | Kurtis Kraft-Sparks | 1 | ||||||
| 21 | Langley-Offenhauser | 1 | 1 | |||||
| 22 | Lesovsky-Offenhauser | 2 | 2 | |||||
| 23 | Marchese-Offenhauser | 1 | 1 | |||||
| 24 | Maserati | 43 | 32 | 1 | 11 | |||
| 25 | Maserati-Offenhauser | 5 | 3 | |||||
| 26 | Meyer-Offenhauser | 2 | ||||||
| 27 | Miller | 1 | ||||||
| 28 | Miller-Offenhauser | 2 | ||||||
| 29 | Moore-Offenhauser | 1 | 1 | |||||
| 30 | Nichels-Offenhauser | 1 | 1 | |||||
| 31 | Olson-Offenhauser | 1 | 1 | |||||
| 32 | R Miller | 1 | ||||||
| 33 | Rae-Offenhauser | 1 | 1 | |||||
| 34 | Rounds Rocket-Offenhauser | 1 | ||||||
| 35 | Scopa-Offenhauser | 1 | ||||||
| 36 | Simca-Gordini | 5 | 5 | 3 | ||||
| 37 | Snowberger-Offenhauser | 2 | 1 | |||||
| 38 | Stevens-Offenhauser | 4 | 1 | |||||
| 39 | SVA-FIAT | 1 | ||||||
| 40 | Talbot-Lago-Talbot | 41 | 37 | 2 | 20 | |||
| 41 | Watson-Offenhauser | 1 | 1 | |||||
| 42 | Weidel-Mercury | 1 | ||||||
| 43 | Wetteroth-Offenhauser | 2 | 1 |