| Constructors / 1965 | |||
| « 1964 | 1966 » |
| Constructor | Races | Starts | Poles | Wins | Podia | F. laps | Pts | |
| 1 | Alfa Special-Alfa Romeo | 1 | 1 | |||||
| 2 | Brabham-BRM | 22 | 18 | 5 | ||||
| 3 | Brabham-Climax | 41 | 37 | 6 | 1 | 39 | ||
| 4 | Brabham-Ford | 2 | 2 | |||||
| 5 | BRM | 30 | 27 | 4 | 3 | 11 | 3 | 81 |
| 6 | Cooper-Climax | 23 | 21 | 1 | 14 | |||
| 7 | Cooper-Ford | 2 | ||||||
| 8 | Cooper-Maserati | 1 | ||||||
| 9 | Ferrari | 26 | 22 | 4 | 32 | |||
| 10 | Honda | 17 | 14 | 1 | 1 | 13 | ||
| 11 | LDS-Alfa Romeo | 2 | 1 | |||||
| 12 | LDS-Climax | 1 | ||||||
| 13 | Lotus-BRM | 21 | 19 | 2 | ||||
| 14 | Lotus-Climax | 32 | 24 | 6 | 6 | 7 | 6 | 64 |
| 15 | Lotus-Ford | 3 | ||||||
| 16 | Realpha-Alfa Romeo | 1 |