| Team | Races | Entries | Starts | Poles | Wins | Podia | F. laps | Pts | |
| 1 | Pacific | 33 | 66 | 39 | |||||
| 2 | Parnelli | 16 | 16 | 16 | 1 | 6 | |||
| 3 | Part Motors | 1 | 1 | ||||||
| 4 | Pat Clancy | 9 | 11 | 7 | 1 | 4 | |||
| 5 | Patrick Nève | 1 | 1 | ||||||
| 6 | Paul Pietsch | 1 | 1 | 1 | |||||
| 7 | Paul Russo &Ray Nichels | 1 | 1 | 1 | |||||
| 8 | Paul Seitz | 1 | 1 | 1 | |||||
| 9 | Penske | 34 | 35 | 33 | 1 | 4 | 28 | ||
| 10 | Pescara Racing Team | 2 | 2 | 1 | |||||
| 11 | Pete Lovely Volkswagen Inc. | 11 | 11 | 6 | |||||
| 12 | Pete Salemi | 8 | 12 | 6 | |||||
| 13 | Peter Hirt | 1 | 1 | 1 | |||||
| 14 | Peter Monteverdi | 1 | 1 | ||||||
| 15 | Peter Salemi & Nick Rini | 1 | 1 | 1 | |||||
| 16 | Peter Schmidt | 10 | 14 | 11 | 3 | ||||
| 17 | Peter Wales Trucking | 4 | 4 | ||||||
| 18 | Peter Walker | 1 | 2 | 2 | 2 | ||||
| 19 | Peter Whitehead | 9 | 10 | 7 | 1 | 4 | |||
| 20 | Phil Cade | 1 | 1 | ||||||
| 21 | Philip Fotheringham-Parker | 1 | 1 | 1 | |||||
| 22 | Philippe Étançelin | 9 | 10 | 9 | 4 | ||||
| 23 | Piero Scotti | 2 | 2 | 1 | |||||
| 24 | Pierre Levegh | 4 | 4 | 4 | |||||
| 25 | Pipe Fitters | 1 | 1 | ||||||
| 26 | Polar Caravans | 2 | 2 | 1 | |||||
| 27 | Porsche | 21 | 43 | 38 | 1 | 1 | 5 | 43 | |
| 28 | Prost | 83 | 166 | 162 | 3 | 35 |