| OCS | — | 7 जनवरी 1991 | 1 |
| Odeon | — | — | 1 |
| Okko | सेंट पीटर्सबर्ग | 2011 | 1 |
| Olympic | — | 1962 | 1 |
| Ombetja Yehinga Organisation | Windhoek-Prosperita | 2001 | 1 |
| Omega Film GmbH | बर्लिन | — | 1 |
| Omroep MAX | हिल्वरसुम | 2002 | 1 |
| One Astor Plaza | — | 1972 | 1 |
| Open de España | — | 1912 | 1 |
| Orange | Issy-les-Moulineaux | 1988 | 1 |
| Orange Cinéma Séries | पेरिस | 13 नवंबर 2008 | 1 |
| Orbis, Rhineland-Palatinate | — | — | 1 |
| Oriental Film | Batavia | 1940 | 1 |
| Origin Animation | बीजिंग | 14 जुलाई 2010 | 1 |
| Orion Classics | लॉस एंजेलिस | 1982 | 1 |
| Orisono | लुसेर्न | 2020 | 1 |
| Orlando Film Festival | — | 2005 | 1 |
| Orona/Stevens | — | — | 1 |
| Otomatic | — | — | 1 |
| Ouille Productions | Neuilly-sur-Seine | 1996 | 1 |
| Outre-Mer 1ère | Malakoff | 14 सितंबर 1954 | 1 |
| Overseas Chinese Films | — | — | 1 |
| Oxford Films | — | — | 1 |
| Oy Nordisk Film Ab | हेलसिंकी | 30 अगस्त 1984 | 1 |
| P.K. 12 Film | — | 1950 | 1 |
| P.V.L. Produksjon | ओस्लो | 25 जनवरी 1966 | 1 |
| Pacific Street Films | ब्रुकलीन | 1969 | 1 |
| Painswick Film | — | — | 1 |
| Palace Complex | — | 1899 | 1 |
| PAN-Film | — | 1944 | 1 |
| Pandora Filmes | — | 1989 | 1 |
| Panenka | एंटवर्प | 31 जुलाई 2014 | 1 |
| Panorama Film Studios | — | — | 1 |
| Pantheon Books | न्यूयॉर्क नगर | 1942 | 1 |
| Papillon Films | ए करुन्य | जून 2001 | 1 |
| Para Film & Teater | ओस्लो | — | 1 |
| Paradox Rettigheter | Lillehammer | 24 अगस्त 1998 | 1 |
| Paramount Famous Productions | हॉलीवुड | 2007 | 1 |
| Paramount Networks Americas | मियामी बीच | 1993 | 1 |
| Paramount Television Studios | लॉस एंजेलिस | 8 अगस्त 2025 | 1 |
| Parco Film | — | — | 1 |
| PBOUL Borisevich R.U | — | — | 1 |
| Pen N Camera International | मुम्बई | 1977 | 1 |
| Pen Pusher production | लागोस | — | 1 |
| Penn/Bright Entertainment | — | — | 1 |
| Penned Pictures | Penzberg | 2018 | 1 |
| Pentagrama Films | — | — | 1 |
| People's Liberation Army Navy | बीजिंग | 23 अप्रैल 1949 | 1 |