| LXTV | — | 2006 | — | — |
| Lynch/Frost Productions | United States | 1989 | — | — |
| Lühifilmi Keskus ShortEST | Estonia | 2014 | — | — |
| Mac Guff | France | 1986 | — | — |
| Madefor Film | Germany | 2020 | — | — |
| Magic TV | France | March 29, 1993 | — | — |
| Maho Film | Japan | May 29, 2018 | — | — |
| Makido film | Germany | 2011 | — | — |
| Makino Production | Japan | June 1925 | October 1931 | — |
| Mamahyhotala | Ukraine | 2012 | — | — |
| Mammoth Screen | United Kingdom | October 24, 2006 | — | — |
| Mantarraya Productions | Mexico | 1998 | — | — |
| Maran Film GmbH | Germany | 1963 | 2015 | — |
| March Entertainment | Canada | 1996 | — | — |
| Mason Ewing Corporation | United States | 2011 | — | — |
| Master-film | Russia | 1996 | — | — |
| Matar Productions | Israel | 1993 | — | — |
| Matchbox Pictures | — | 2008 | — | — |
| Matchstick Productions | United States | — | — | — |
| Matthias-Film | Germany | — | — | — |
| Maverick Television | — | 1994 | — | — |
| Maximal Productions | France | — | — | — |
| May 3rd Films | — | 2003 | — | — |
| Mayflower Pictures | United Kingdom | January 25, 1937 | — | — |
| Maz & More TV Produktion | Germany | 2009 | — | — |
| MBC Game | South Korea | — | January 31, 2012 | — |
| MBC Shahid | Saudi Arabia | 2011 | — | — |
| Media Dreams | India | 1997 | — | — |
| Mediaset | Italy | 1978 | — | — |
| Megaherz Film und Fernsehen | Germany | 1983 | — | — |
| Merit Motion Pictures | Canada | 1988 | — | — |
| Meteor Studios | Canada | 2001 | November 2007 | — |
| Metronome Productions | Denmark | 1950 | — | — |
| Mhoch2 TV | Germany | 2010 | — | — |
| Michael Jacobs Productions | United States | 1985 | — | — |
| Michigan films | Belgium | February 2006 | — | — |
| Minerva-Tonfilm | Germany | — | — | — |
| Minor Film | Estonia | 1996 | — | — |
| Miramón Mendi | Spain | 1988 | — | — |
| Mirror Films | United States | September 23, 1915 | — | — |
| Mohawk Productions | United States | 1991 | — | — |
| MOIN Filmförderung Hamburg Schleswig-Holstein | Germany | — | — | — |
| Monday Media | Denmark | 2008 | — | — |
| Monte Royal Pictures | Serbia | 1994 | — | — |
| Moonlight film company | South Korea | April 13, 2012 | — | — |
| Moser + Rosié Film | Germany | 1968 | 2013 | — |
| Moskito Television | Finland | June 18, 1999 | — | — |
| Motion Picture Patents Company | United States | 1908 | 1915 | — |
| Moving Puppet | France | October 9, 2006 | — | — |
| MPH Entertainment, Inc. | United States | 1996 | — | — |
| Mulakuppadam Films | India | 2007 | — | — |
| Mult.ru | Russia | — | — | — |
| Multi Film | Estonia | 1999 | — | — |
| MundoFox (Latin America) | — | — | July 2017 | — |
| Muteki | Japan | 2008 | — | — |
| MY TV Productions | Israel | 2005 | — | — |
| Myth Film | Estonia | 1997 | — | — |
| Naga VXS | Malaysia | — | 2013 | — |
| National Geographic Farsi | United Arab Emirates | 2011 | — | — |
| Neela Tele Films | India | 1995 | — | — |
| Netflix, Inc. | United States | August 29, 1997 | — | — |
| Nevafilm | Russia | 1992 | — | — |
| New Europe Film Sales | Poland | 2010 | — | — |
| New Image College of Fine Arts | Canada | 1980 | — | — |
| New Renaissance Pictures | United States | July 2005 | — | — |
| New Zealand National Film Unit | New Zealand | — | — | — |
| Next Entertainment World | South Korea | 2008 | — | — |
| Nextep | Japan | July 2, 2007 | — | — |
| Nexus Productions | — | 1997 | — | — |
| NFL Films | United States | 1962 | — | — |
| Nieveranst | Belgium | 2013 | 2018 | — |
| Niezależne Wydawnictwo Polskie | Poland | October 26, 2004 | — | — |
| Niki Heat | Cameroon | 2016 | — | — |
| Nizhne-Volga Newsreel Studio | Russia | 1931 | — | — |
| No Equal Entertainment | Canada | — | — | — |
| No-Do | Spain | 1943 | — | — |
| Nordisk Film Lab | Denmark | August 1992 | — | — |
| Nordisk Film TV-Produktion | Sweden | January 25, 1995 | — | — |
| Norsk filmfond | Norway | July 2001 | April 2008 | — |
| North One Television | — | — | — | — |
| NorthSouth Productions | United States | — | — | — |
| Nova Films | Spain | 1958 | — | — |
| Novafilm Fernsehproduktion | Germany | — | July 2020 | — |
| Novapool | Germany | — | — | — |
| NTC Medya | Turkey | — | — | — |
| Nutopia | United States | 2008 | — | — |
| Ocean Entertainment | Canada | — | — | — |
| Odeon Film | Germany | 1998 | — | — |
| Office de Radio et Télévision des Comores | — | December 14, 2015 | — | — |
| OFFICE TO ONE | Japan | June 5, 1963 | — | — |
| OGN | South Korea | July 24, 2000 | — | — |
| Om Films | United States | 2006 | — | — |
| Omnifilm Entertainment | Canada | — | — | — |
| One's Youth | Japan | 2015 | 2024 | — |
| Onyx Collective | United States | May 17, 2021 | — | — |
| Orange Television Network | United States | 2005 | — | — |
| Original Productions | United States | 1999 | — | — |
| Ornis Films | Spain | 1969 | — | — |
| Ostankino | Russia | December 27, 1991 | — | — |
| Oxford Scientific Films | United Kingdom | 1968 | — | — |