| Lux Vide | Italy | 1992 | — | 2 |
| Lyrick Studios | — | 1983 | — | 2 |
| Långfilm Productions | Finland | 2001 | — | 2 |
| MacGillivray Freeman Films | United States | 1963 | — | 2 |
| Magdalenafilm | Norway | — | — | 2 |
| Magenta TV (Greece) | Greece | 2008 | — | 2 |
| Magic Stone Productions | United States | — | — | 2 |
| Mago film | South Korea | — | — | 2 |
| Magouric Productions | France | April 2, 1993 | — | 2 |
| Mainstream | France | — | — | 2 |
| Majestic Films International | Germany | 2006 | — | 2 |
| Man of Action Studios | United States | 2005 | — | 2 |
| Manchester Films | France | 2008 | — | 2 |
| Manikarnika Films | India | — | — | 2 |
| Maoyan entertainment | People's Republic of China | July 2015 | — | 2 |
| Mark Goodson Productions | United States | May 1946 | 1998 | 2 |
| Mark Johnson | United States | — | — | 2 |
| Mars Entertainment Group | Turkey | 2001 | — | 2 |
| Mashal Cinematic Organization | Pahlavi Iran | — | — | 2 |
| MBS | Japan | July 28, 2016 | — | 2 |
| MEDIA sub-programme of Creative Europe | Belgium | 1990 | — | 2 |
| Media-Most | Russia | 1997 | 2001 | 2 |
| MediaPro Pictures | Romania | April 1998 | October 24, 2019 | 2 |
| Mega Channel | Greece | 1989 | — | 2 |
| Mega-Vision Project Workshop | Hong Kong | 2010 | — | 2 |
| Megogo | Ukraine | November 22, 2011 | — | 2 |
| Memphis Film & Television | Netherlands | — | — | 2 |
| Meta Film Stockholm | Sweden | 2013 | — | 2 |
| Meteor Film | Norway | 1939 | — | 2 |
| Metro-Goldwyn-Mayer Animation | United States | 1993 | 2000 | 2 |
| MGA Entertainment | United States | 1979 | — | 2 |
| MGM Animation/Visual Arts | United States | 1962 | December 1970 | 2 |
| Mikros Image | France | 1985 | — | 2 |
| Mili Pictures Worldwide | People's Republic of China | 2012 | — | 2 |
| Minerva Movietone | India | 1936 | — | 2 |
| Mint AB | Sweden | 1998 | — | 2 |
| Mint Motion Pictures | Turkey | 1996 | — | 2 |
| Miss Wasabi Films | Spain | — | — | 2 |
| Missing Pictures | Estonia | — | — | 2 |
| Mission Pictures International | United States | 2008 | — | 2 |
| Mitosfilm | Germany | 2004 | — | 2 |
| Mizan Productions | Indonesia | — | — | 2 |
| MMC Movies | Germany | — | — | 2 |
| MMC Studios Cologne | Germany | — | — | 2 |
| Momento Film | Sweden | 2011 | — | 2 |
| Monochrom | Austria | 1993 | — | 2 |
| Monrovia Feature Film Company | United States | — | — | 2 |
| Moonlight Films | — | 2008 | — | 2 |
| MoonScoop Group | France | 1990 | January 24, 2014 | 2 |
| More4 | United Kingdom | 2005 | — | 2 |
| Most Production | Turkey | — | — | 2 |
| Mostra Cine | Argentina | 2018 | — | 2 |
| Moteur s'il vous plaît | — | 2005 | — | 2 |
| Mother Production | France | January 31, 2011 | — | 2 |
| Motion Blur | Norway | 2012 | — | 2 |
| Motor ApS | Denmark | January 10, 2018 | — | 2 |
| Motto Pictures | — | 2009 | — | 2 |
| Mount Zion Film Productions | Nigeria | — | — | 2 |
| Move Movie | France | July 15, 2001 | — | 2 |
| Movie Walker | Japan | July 7, 2011 | — | 2 |
| Movimento Production | France | — | — | 2 |
| MPL Communications | United Kingdom | 1970 | — | 2 |
| MRB Productions | United States | — | — | 2 |
| MTM Medien & Television München | Germany | — | — | 2 |
| Multimedia Film- und Fernsehproduktion | Germany | — | — | 2 |
| Music Box Films | United States | 2007 | — | 2 |
| Mutant Enemy Productions | United States | 1996 | — | 2 |
| Muti Films | South Africa | 1998 | — | 2 |
| Mystic Story | South Korea | 2001 | — | 2 |
| Mythos Production | Greece | — | — | 2 |
| Nagoya Broadcasting Network | Japan | September 6, 1961 | — | 2 |
| Nashe Kino | — | 2003 | — | 2 |
| National Aeronautics and Space Administration | United States | July 29, 1958 | — | 2 |
| National University of General San Martín | Argentina | 1994 | — | 2 |
| National University of La Matanza | Argentina | September 1989 | — | 2 |
| Nederlandse Christelijke Radio Vereniging | Netherlands | 1924 | December 31, 2018 | 2 |
| Neofilmi | Finland | 1980 | 2004 | 2 |
| Neon Productions | — | 2002 | — | 2 |
| Netflix Studios | United States | — | — | 2 |
| Network Movie | Germany | 1998 | — | 2 |
| New Latin American Cinema Foundation | Cuba | December 4, 1985 | — | 2 |
| NewBe | Netherlands | 2011 | — | 2 |
| Nippon Animation | Japan | 1975 | — | 2 |
| Nitrogen Studios | Canada | 2003 | — | 2 |
| No Drama Studio | Israel | 2021 | — | 2 |
| No Trace Camping | — | 2008 | — | 2 |
| Nocturnes Productions | — | 2007 | — | 2 |
| Non Stop Film Service | Poland | — | — | 2 |
| Nordisk Film | Norway | January 31, 1995 | — | 2 |
| Nordlys Film | Norway | — | — | 2 |
| Norma Productions | United States | July 1947 | — | 2 |
| Norman Studios | United States | 1920 | — | 2 |
| Norrøna Film | Norway | — | — | 2 |
| Northern Light Productions | United States | — | — | 2 |
| Nou | Spain | 1989 | — | 2 |
| Nova Film | Serbia | — | — | 2 |
| NPG Records | United States | 1993 | — | 2 |
| Nukufilm OÜ | Estonia | 1991 | — | 2 |
| Oakhurst Productions | United States | — | — | 2 |
| Oberon Media | United States | 2003 | — | 2 |