| Pos | Constructor | Wins | Pts |
|---|---|---|---|
| 1 | Ferrari Italy | 7 | 120.5 |
| 2 | Gordini France | 0 | 17 |
| 3 | Kurtis Kraft United States Of America | 0 | 13 |
| 4 | Cooper United Kingdom | 0 | 12 |
| 5 | Maserati Italy | 0 | 8.5 |
| 6 | Kuzma United States Of America | 1 | 8 |
| 7 | Connaught United Kingdom | 0 | 5 |
| 8 | Lesovsky United States Of America | 0 | 3 |
| 9 | Frazer-Nash United Kingdom | 0 | 3 |
| 10 | HWM United Kingdom | 0 | 2 |
| 11 | Nacke Germany | 0 | 0 |
| 12 | O.S.C.A. Italy | 0 | 0 |
| 13 | Reif Germany | 0 | 0 |
| 14 | Sherman United States Of America | 0 | 0 |
| 15 | Simca-Gordini France | 0 | 0 |
| 16 | Stevens United States Of America | 0 | 0 |
| 17 | Trevis United States Of America | 0 | 0 |
| 18 | Veritas Germany | 0 | 0 |
| 19 | AFM Germany | 0 | 0 |
| 20 | Watson United States Of America | 0 | 0 |
| 21 | Alta United Kingdom | 0 | 0 |
| 22 | Aston Butterworth United Kingdom | 0 | 0 |
| 23 | Balsa Germany | 0 | 0 |
| 24 | Bromme United States Of America | 0 | 0 |
| 25 | Cisitalia Italy | 0 | 0 |
| 26 | Deidt United States Of America | 0 | 0 |
| 27 | ERA United Kingdom | 0 | 0 |
| 28 | Heck Germany | 0 | 0 |
| 29 | Krakau Germany | 0 | 0 |
