| OXYBOT | — | December 2004 | 1 |
| Oy Nordisk Film Ab | Helsinki | August 30, 1984 | 1 |
| P.V.L. Produksjon | Oslo | January 25, 1966 | 1 |
| P4 Theater | Beijing | June 4, 2016 | 1 |
| Pacific Research Institute | Pasadena | 1979 | 1 |
| Pacific Street Films | Brooklyn | 1969 | 1 |
| Painswick Film | — | — | 1 |
| Palace Complex | — | 1899 | 1 |
| Paladin Production | Paris | — | 1 |
| Palimpsesto | — | — | 1 |
| PAN-Film | — | 1944 | 1 |
| Pandora Filmes | — | 1989 | 1 |
| Panenka | Antwerp | July 31, 2014 | 1 |
| Pantera Film | Berlin | — | 1 |
| Papillon Films | A Coruña | June 2001 | 1 |
| Para Film & Teater | Oslo | — | 1 |
| Paramount Famous Productions | Hollywood | 2007 | 1 |
| Paramount Networks Americas | Miami Beach | 1993 | 1 |
| Parco Film | — | — | 1 |
| Parnasse International | — | — | 1 |
| Pen Pusher production | Lagos | — | 1 |
| Penguin Productions | — | — | 1 |
| Penn/Bright Entertainment | — | — | 1 |
| Pentagrama Films | — | — | 1 |
| Pentamedia Graphics | — | — | 1 |
| PepFilmStudios | Oakland | — | 1 |
| Pepito Produzioni | Rome | 2011 | 1 |
| Perişan Film | — | — | 1 |
| Permtelefilm | Perm | 1965 | 1 |
| PES Sunshine Productions | — | — | 1 |
| Phantom Entertainment | Ridgewood | — | 1 |
| Phelecan Films | Stockholm | 2017 | 1 |
| Phoenix Film | Berlin | 1979 | 1 |
| Phoenix Film Investments | — | — | 1 |
| Pilot | Moscow | 1988 | 1 |
| Pinewood Group | Iver | 2001 | 1 |
| Pixcom Productions | Montreal | 1987 | 1 |
| Planet Marathi | — | 2017 | 1 |
| Planta Madre Producciones | — | — | 1 |
| Playboy | — | October 1953 | 1 |
| Playboy Home Video | — | — | 1 |
| Playhouse Disney | United States | February 1999 | 1 |
| Plus M Entertainment | — | — | 1 |
| Pokeepsie Films | Madrid | 2014 | 1 |
| Politiken | Copenhagen | October 1884 | 1 |
| Polsky Films | Los Angeles | — | 1 |
| Pompeu Fabra University | Barcelona | June 18, 1990 | 1 |
| Pontifical Council for Culture | — | 1982 | 1 |