| Pos | Constructor | Wins | Pts |
|---|---|---|---|
| 1 | Alfa Romeo Italy | 6 | 89 |
| 2 | Ferrari Italy | 0 | 21 |
| 3 | Talbot-Lago France | 0 | 20 |
| 4 | Kurtis Kraft United States Of America | 1 | 14 |
| 5 | Maserati Italy | 0 | 11 |
| 6 | Deidt United States Of America | 0 | 10 |
| 7 | Simca-Gordini France | 0 | 3 |
| 8 | Marchese United States Of America | 0 | 0 |
| 9 | Moore United States Of America | 0 | 0 |
| 10 | Nichels United States Of America | 0 | 0 |
| 11 | Olson United States Of America | 0 | 0 |
| 12 | Rae United States Of America | 0 | 0 |
| 13 | Snowberger United States Of America | 0 | 0 |
| 14 | Stevens United States Of America | 0 | 0 |
| 15 | Watson United States Of America | 0 | 0 |
| 16 | Adams United States Of America | 0 | 0 |
| 17 | Wetteroth United States Of America | 0 | 0 |
| 18 | Alta United Kingdom | 0 | 0 |
| 19 | Cooper United Kingdom | 0 | 0 |
| 20 | ERA United Kingdom | 0 | 0 |
| 21 | Ewing United States Of America | 0 | 0 |
| 22 | Langley United States Of America | 0 | 0 |
| 23 | Lesovsky United States Of America | 0 | 0 |
