| OffSide | Italy | — | — | 2 |
| Ogun State Television | Nigeria | 1981 | — | 2 |
| Oktober | Finland | June 4, 2004 | — | 2 |
| ONO | Spain | September 29, 1998 | 2018 | 2 |
| Origin Pictures | United Kingdom | 2008 | — | 2 |
| Ostdeutscher Rundfunk Brandenburg | Germany | October 12, 1991 | April 30, 2003 | 2 |
| Ostlicht Filmproduktion | Germany | 2009 | — | 2 |
| Outerbanks Entertainment | United States | June 29, 1995 | — | 2 |
| P.C.L. Film Studio | Empire of Japan | December 5, 1933 | August 26, 1937 | 2 |
| P.I.C.S. | Japan | April 20, 2000 | — | 2 |
| Page 114 | France | — | — | 2 |
| Pain Unlimited | Germany | — | — | 2 |
| Paiva Films | France | — | — | 2 |
| Palladio Film | Germany | — | — | 2 |
| Pallas Film | Germany | — | — | 2 |
| Palm Pictures | United States | 1998 | — | 2 |
| Panaria Film | Italy | 1947 | 1956 | 2 |
| Panavision | United States | 1953 | — | 2 |
| Paradis Films | — | 1983 | — | 2 |
| Parc Films | France | — | — | 2 |
| Parts & Labor | — | 2002 | — | 2 |
| Pathé Films | Switzerland | — | — | 2 |
| Paula Wessely Filmproduktion GmbH | Austria | — | — | 2 |
| Paulist Productions | United States | 1960 | — | 2 |
| Paws, Inc. | United States | 1981 | — | 2 |
| Penthouse | United States | 1965 | — | 2 |
| People Versus TV CIC | United Kingdom | — | — | 2 |
| Pictures in Paradise | Australia | — | — | 2 |
| Piki Films | New Zealand | — | — | 2 |
| Pioneer Productions | United Kingdom | 1988 | — | 2 |
| Pixels Garden | — | 2011 | — | 2 |
| Platinum Studios | United States | 1997 | — | 2 |
| Playart Phototone | British Raj | 1929 | 1930 | 2 |
| Polar Bear | Belgium | — | — | 2 |
| Polyphon Film- und Fernsehgesellschaft | Germany | — | — | 2 |
| PorchLight Entertainment | United States | 1995 | — | 2 |
| Pornhub | Canada | September 2007 | — | 2 |
| Powell and Pressburger | — | 1939 | 1957 | 2 |
| Prana Studios | United States | 2005 | — | 2 |
| Prasad Studios | — | 1956 | — | 2 |
| Prime Focus | Canada | — | — | 2 |
| Primeshow Entertainment | India | 2020 | — | 2 |
| Prodex | France | — | — | 2 |
| Productions Nova Média | Canada | — | — | 2 |
| Prokino | Germany | — | — | 2 |
| Proline Film | Russia | 2004 | — | 2 |
| Pronto Film | Ukraine | 2001 | — | 2 |
| Propeler Film | Slovenia | — | — | 2 |
| První veřejnoprávní | Czech Republic | 2000 | — | 2 |
| Public Establishment of Television | Algeria | December 24, 1956 | — | 2 |
| Pyongyang Film Studios | North Korea | 1947 | — | 2 |
| Pyramid Saimira | — | — | — | 2 |
| Périphéria | France | — | — | 2 |
| Quinte Filmproduktion | Germany | — | — | 2 |
| Qwerty Films | United Kingdom | — | — | 2 |
| R&C Produzioni | Italy | — | — | 2 |
| Raccord Produções | Brazil | 1993 | — | 2 |
| Racoon Cinema | Russia | 1996 | — | 2 |
| Radical Comics | United States | 2007 | — | 2 |
| Rainbow CGI | Italy | 2006 | — | 2 |
| Raj Network | — | October 14, 1994 | — | 2 |
| Rakuten TV | Spain | 2010 | — | 2 |
| Ramalakshmi Cine Creations | — | 2005 | — | 2 |
| Random House | United States | 1927 | — | 2 |
| Raw Feed | — | 2006 | — | 2 |
| Raw TV | United Kingdom | 2001 | — | 2 |
| Reality Entertainment | Philippines | — | — | 2 |
| Red Bull Media House | Austria | 2007 | — | 2 |
| Red Carpet Film & TV | Finland | 2020 | — | 2 |
| Red Production Company | United Kingdom | 1998 | — | 2 |
| Reel Life Productions | United States | 1988 | — | 2 |
| Refresh Production | Bosnia and Herzegovina | 1996 | — | 2 |
| Reliable Pictures | United States | 1933 | — | 2 |
| Reliance MediaWorks | — | 1975 | — | 2 |
| Reliance Motion Picture Corporation | United States | October 22, 1910 | 1915 | 2 |
| Remcorp | — | 1998 | — | 2 |
| REN TV | Russia | 1997 | — | 2 |
| Reposado Producciones Cinematográficas | Spain | — | — | 2 |
| Reprise Films | Canada | 2010 | — | 2 |
| Reticent Veterans Film Ltd. | Taiwan | 2014 | — | 2 |
| Rezolution Pictures | — | 2001 | — | 2 |
| Rideback | — | December 12, 2007 | — | 2 |
| Roissy Films | France | — | — | 2 |
| Roos Film | Chile | 1994 | — | 2 |
| Roskino | Russia | 1924 | — | 2 |
| Rossetti Productions | United States | — | — | 2 |
| Rough Draft Studios | United States | 1990 | — | 2 |
| Roy Andersson Filmproduktion | Sweden | — | — | 2 |
| Royal Opera House | United Kingdom | 1732 | — | 2 |
| RTV | Bangladesh | 2005 | — | 2 |
| Rudolf Konimois Film | Estonia | November 25, 1997 | October 19, 2017 | 2 |
| Russian World Studios | Russia | 1998 | — | 2 |
| Saarländischer Rundfunk | Germany | 1957 | — | 2 |
| Sagafilm | Iceland | 1978 | — | 2 |
| Salty Pictures | United States | 2005 | — | 2 |
| Samhwa Networks | South Korea | 1980 | — | 2 |
| Sands Films | — | 1975 | — | 2 |
| Sarah Radclyffe Productions | United Kingdom | 1993 | — | 2 |
| Saregama | India | 2000 | — | 2 |
| Sateenkaarifilmi | Finland | 1979 | 1999 | 2 |