| Pos | Constructor | Wins | Pts |
|---|---|---|---|
| 1 | Mercedes Germany | 5 | 79 |
| 2 | Ferrari Italy | 1 | 33.99 |
| 3 | Maserati Italy | 0 | 23 |
| 4 | Kurtis Kraft United States Of America | 1 | 21 |
| 5 | Lancia Italy | 0 | 8 |
| 6 | Kuzma United States Of America | 0 | 3 |
| 7 | Pankratz United States Of America | 0 | 0 |
| 8 | Pawl United States Of America | 0 | 0 |
| 9 | Phillips United States Of America | 0 | 0 |
| 10 | Schroeder United States Of America | 0 | 0 |
| 11 | Stevens United States Of America | 0 | 0 |
| 12 | Trevis United States Of America | 0 | 0 |
| 13 | Arzani-Volpini Italy | 0 | 0 |
| 14 | Vanwall United Kingdom | 0 | 0 |
| 15 | Connaught United Kingdom | 0 | 0 |
| 16 | Cooper United Kingdom | 0 | 0 |
| 17 | Epperly United States Of America | 0 | 0 |
| 18 | Gordini France | 0 | 0 |
| 19 | HWM United Kingdom | 0 | 0 |
