| Pos | Constructor | Wins | Pts |
|---|---|---|---|
| 1 | Ferrari Italy | 2 | 80.28 |
| 2 | Mercedes Germany | 4 | 60.14 |
| 3 | Maserati Italy | 2 | 46.42 |
| 4 | Kurtis Kraft United States Of America | 1 | 18 |
| 5 | Kuzma United States Of America | 0 | 6 |
| 6 | Gordini France | 0 | 4.14 |
| 7 | Lancia Italy | 0 | 1 |
| 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 | Bromme United States Of America | 0 | 0 |
| 13 | Vanwall United Kingdom | 0 | 0 |
| 14 | Connaught United Kingdom | 0 | 0 |
| 15 | Cooper United Kingdom | 0 | 0 |
| 16 | HWM United Kingdom | 0 | 0 |
| 17 | Klenk Germany | 0 | 0 |
| 18 | Nichels United States Of America | 0 | 0 |
| 19 | Pankratz United States Of America | 0 | 0 |
