| Pos | Constructor | Wins | Pts |
|---|---|---|---|
| 1 | Ferrari Italy | 7 | 122.5 |
| 2 | Maserati Italy | 1 | 65.5 |
| 3 | Kurtis Kraft United States Of America | 1 | 24 |
| 4 | Gordini France | 0 | 4 |
| 5 | Del Roy United States Of America | 0 | 0 |
| 6 | EMW Germany | 0 | 0 |
| 7 | Greifzu Germany | 0 | 0 |
| 8 | Heck Germany | 0 | 0 |
| 9 | HWM United Kingdom | 0 | 0 |
| 10 | Kuzma United States Of America | 0 | 0 |
| 11 | Lesovsky United States Of America | 0 | 0 |
| 12 | O.S.C.A. Italy | 0 | 0 |
| 13 | Schroeder United States Of America | 0 | 0 |
| 14 | Simca-Gordini France | 0 | 0 |
| 15 | Stevens United States Of America | 0 | 0 |
| 16 | Turner United States Of America | 0 | 0 |
| 17 | Veritas Germany | 0 | 0 |
| 18 | AFM Germany | 0 | 0 |
| 19 | Watson United States Of America | 0 | 0 |
| 20 | Bromme United States Of America | 0 | 0 |
| 21 | Connaught United Kingdom | 0 | 0 |
| 22 | Cooper United Kingdom | 0 | 0 |
