| Gravitas Ventures | United States | 2006 | — | 3 |
| Grey Matter Productions | United Kingdom | 2013 | — | 3 |
| Grupo Chaski | Peru | 1982 | — | 3 |
| Grupo Televisa | Mexico | January 8, 1973 | — | 3 |
| Hargla Company | Latvia | June 9, 1997 | — | 3 |
| Harpo Productions | United States | 1986 | — | 3 |
| Hashima Islanders for Historical Truth | Japan | — | — | 3 |
| Hawk Films | — | 1964 | — | 3 |
| Hechtman Filmworks | United States | July 18, 2018 | — | 3 |
| Hedayat Film | Iran | 1986 | — | 3 |
| Hell's Kitchen Productions | Ireland | — | — | 3 |
| Hiroshima Telecasting | Japan | 1962 | — | 3 |
| History | United States | 1995 | — | 3 |
| Hive Media Corp | South Korea | — | — | 3 |
| HK Film | Vietnam | 2005 | — | 3 |
| HOBAB | Sweden | — | — | 3 |
| Hoichoi | India | September 20, 2017 | — | 3 |
| Hollando-Belgica Film Mij. Eureka | Kingdom of the Netherlands | 1924 | — | 3 |
| Hui's Film Production | British Hong Kong | 1974 | — | 3 |
| IFC | United States | September 1994 | — | 3 |
| Illusion Studios | — | 2001 | — | 3 |
| Image Entertainment | United States | 1981 | — | 3 |
| IMAX Corporation | Canada | 1968 | — | 3 |
| Independent Films | Netherlands | 2000 | — | 3 |
| IndieMan Productions | United States | 2012 | — | 3 |
| Infinity Hill | Argentina | — | — | 3 |
| Inkas Film Production | Greece | 1997 | — | 3 |
| Innocent Pictures | Denmark | March 25, 2002 | October 19, 2011 | 3 |
| Insignia Films | United States | 1988 | — | 3 |
| Institut del Cinema Català | — | 1975 | — | 3 |
| Instituto Nacional de Cinema | Mozambique | 1976 | 1991 | 3 |
| It's a Laugh Productions | United States | November 3, 2003 | — | 3 |
| ITV Studios | — | 1954 | — | 3 |
| J.C.Staff | Japan | January 18, 1986 | — | 3 |
| Jaleo Films | Spain | — | — | 3 |
| Jar Pictures | — | 2011 | — | 3 |
| Jarowskij | Sweden | 1986 | — | 3 |
| Jay Ward Productions | United States | 1948 | 2002 | 3 |
| JBA Production | France | — | — | 3 |
| Jean Vigò Italia | Italy | — | — | 3 |
| Jesse L. Lasky Feature Play Company | United States | 1913 | June 28, 1916 | 3 |
| Jiangsu Broadcasting Corporation | People's Republic of China | 1997 | — | 3 |
| José Frade PC | Spain | — | — | 3 |
| Kadokawa Daiei Studio | Japan | April 2013 | — | 3 |
| Kadokawa Key-Process | Japan | 1954 | — | 3 |
| Kamra Film | Pahlavi Iran | — | — | 3 |
| Kartemquin Films | United States | — | — | 3 |
| Kassikuld | Estonia | — | — | 3 |
| KD Studios | Russia | 2012 | — | 3 |
| Kediripedia.com | Indonesia | 2015 | — | 3 |
| KeyEast | South Korea | 1996 | — | 3 |
| KG Productions | France | — | — | 3 |
| Kindle Entertainment | — | 2007 | — | 3 |
| King Records | Japan | 1931 | — | 3 |
| Kohinoor Film Company | India | 1918 | — | 3 |
| Konami | Japan | March 21, 1969 | — | 3 |
| Kunlun Film Company | People's Republic of China | — | — | 3 |
| L'Altrofilm | — | 1998 | — | 3 |
| La Classe Américaine | France | January 10, 2002 | — | 3 |
| Lakshmi Narasimha Entertainments | — | 2011 | — | 3 |
| Lama Films | Israel | — | — | 3 |
| Laterit Productions (France) | France | 1988 | — | 3 |
| Left Bank Pictures | United Kingdom | July 2007 | — | 3 |
| Lemon Films | — | 2003 | — | 3 |
| Les Films du Cap | France | — | — | 3 |
| Les Films Manuel Munz | France | — | — | 3 |
| Les Frères Cinéma | Togo | June 2010 | — | 3 |
| Les Productions Lazennec | France | — | — | 3 |
| Letterbox Filmproduktion | Germany | December 28, 1987 | — | 3 |
| Liberty Films | United States | 1945 | 1951 | 3 |
| Lifetime | United States | February 1984 | — | 3 |
| Lionsgate Home Entertainment | — | 1984 | — | 3 |
| Little Shark Entertainment | Germany | — | — | 3 |
| Lo Wei Motion Picture Company | Hong Kong | 1975 | — | 3 |
| Lohkast | Kenya | June 15, 2025 | — | 3 |
| Look Film | Russia | 2010 | — | 3 |
| Los Angeles Media Fund | — | September 14, 2014 | — | 3 |
| Louvre Museum | France | August 10, 1793 | — | 3 |
| Love Streams agnès b. Productions | France | 1997 | — | 3 |
| Lucernafilm | — | June 13, 1912 | June 6, 1950 | 3 |
| Luv Films | India | 2012 | — | 3 |
| Lyla Films | Canada | 1999 | — | 3 |
| Lysthuset | Norway | — | — | 3 |
| Légende Films | France | August 2, 2006 | — | 3 |
| MACT Productions | France | — | — | 3 |
| Mahtab Film | Iran | — | — | 3 |
| Mariska X Productions | Netherlands | 2014 | — | 3 |
| Mark VII Limited | United States | 1951 | — | 3 |
| Marlene Film Production | Czech Republic | June 16, 2014 | — | 3 |
| Marvel Productions | United States | 1981 | 1996 | 3 |
| Mattel Films | United States | September 2018 | — | 3 |
| Maze Pictures | Germany | 2015 | — | 3 |
| Media Home Entertainment | United States | 1978 | 1993 | 3 |
| MediaCorp Raintree Pictures | — | March 31, 1996 | — | 3 |
| Mediawan | France | December 15, 2015 | — | 3 |
| Medyapım | Turkey | — | — | 3 |
| Melodie Film | Germany | — | — | 3 |
| Melusine Productions | Luxembourg | 1998 | — | 3 |
| Mer Film | Norway | 2011 | — | 3 |
| Merlin Films | Ireland | 1989 | — | 3 |