| Image Production House | — | — | — | 2 |
| Imaj Film | Iran | — | — | 2 |
| IMG | United States | 1960 | — | 2 |
| Impact Pictures | Canada | 2001 | — | 2 |
| Imprint Entertainment | — | 2008 | — | 2 |
| In-Ruum | Estonia | — | — | 2 |
| Independent Artist Management | Thailand | January 18, 2017 | — | 2 |
| Independent Moving Pictures | United States | 1909 | 1917 | 2 |
| Indika Entertainment | Indonesia | — | — | 2 |
| Inforg Stúdió | Hungary | — | — | 2 |
| InScript | Lithuania | January 14, 2013 | — | 2 |
| Insight Film Studios | — | 1990 | — | 2 |
| Institute for Regional Education | United States | April 3, 1973 | — | 2 |
| Inter-Services Public Relations | Pakistan | 1949 | — | 2 |
| International Germania Film | Germany | — | — | 2 |
| Interscope Records | United States | 1989 | — | 2 |
| IQIYI | People's Republic of China | April 22, 2010 | — | 2 |
| Iran Nema Studio | Pahlavi Iran | 1958 | — | 2 |
| ISL Film | Hungary | — | — | 2 |
| Israel Film Fund | Israel | 1979 | — | 2 |
| ITN | United Kingdom | 1955 | — | 2 |
| ITV Central | United Kingdom | 1982 | — | 2 |
| Jackpot Films | Finland | 1998 | — | 2 |
| James Lefevre Studios | United States | — | — | 2 |
| Janus Films | United States | 1956 | — | 2 |
| Jesse D. Hampton Productions | United States | 1918 | — | 2 |
| Jetlag Productions | — | 1994 | 1996 | 2 |
| Jiangxi Film Studio | People's Republic of China | — | — | 2 |
| John Stagliano Productions | United States | — | — | 2 |
| Jost Hering Filmproduktion | Germany | — | — | 2 |
| Jour2fête | France | October 16, 2006 | — | 2 |
| July August Productions | Israel | 2004 | — | 2 |
| Junglee Pictures | India | 2014 | — | 2 |
| Just Entertainment | Netherlands | — | — | 2 |
| JVC | Japan | September 13, 1927 | — | 2 |
| Kaissar Film | Germany | 2008 | — | 2 |
| Kaleidoscope Entertainment | — | 1989 | — | 2 |
| Kalyana Shira Films | Indonesia | — | — | 2 |
| Kamerafilm | Norway | — | — | 2 |
| Kaspien Holdings, Inc. | — | December 1972 | — | 2 |
| Katharina | France | — | — | 2 |
| Kavac Film | Italy | — | — | 2 |
| Khalabo Ink Society | United States | 2020 | — | 2 |
| Kinema Citrus | Japan | March 3, 2008 | — | 2 |
| Kinescope Film | Germany | — | — | 2 |
| KinoAtis | Russia | June 23, 2004 | — | 2 |
| Kinosaurus Film | Estonia | January 10, 2011 | — | 2 |
| Kinoshita Group | Japan | December 15, 1987 | — | 2 |
| Kinotaurus | Finland | — | — | 2 |
| Kirch Group | — | 1955 | 2002 | 2 |
| Kisi Production | Iceland | February 22, 2011 | — | 2 |
| Kissfilms | France | — | — | 2 |
| Klas Film | Bulgaria | — | — | 2 |
| Klockworx | Japan | January 24, 1997 | — | 2 |
| KNIFE! Films | Ukraine | — | — | 2 |
| Kodansha | Japan | November 1909 | — | 2 |
| Komeetta | Finland | — | — | 2 |
| Kordes & Kordes Film | Germany | 2003 | — | 2 |
| Kriim | Estonia | — | — | 2 |
| KRO-NCRV | Netherlands | 2014 | — | 2 |
| Kross Pictures | South Korea | — | — | 2 |
| KSS | Japan | — | — | 2 |
| Kurt Ulrich Film | Germany | — | — | 2 |
| KykNET | South Africa | October 1999 | — | 2 |
| L'Ottava | Italy | 1985 | — | 2 |
| La Compagnie des Taxis-Brousse | — | 1991 | — | 2 |
| La Parti Productions | Belgium | 1999 | — | 2 |
| Laboratório Fantasma | Brazil | 2008 | — | 2 |
| Lacta | Greece | — | — | 2 |
| Landmarc films | — | 2011 | — | 2 |
| Laokoon Filmgroup | Hungary | 2002 | — | 2 |
| Larry Darmour Productions | United States | 1927 | — | 2 |
| Las Producciones del Escorpión | Spain | — | — | 2 |
| Lege Artis Film | Estonia | August 9, 1993 | — | 2 |
| Legend Video | United States | 1992 | — | 2 |
| Leonine Distribution | Germany | 1979 | — | 2 |
| LEONINE Production | Germany | — | — | 2 |
| Les Films de l'Étranger | France | — | — | 2 |
| Les Films du Loup | France | — | — | 2 |
| Les Films Jean-Pierre Lefebvre | France | — | — | 2 |
| Les Productions JMH | Switzerland | — | — | 2 |
| Les rapailleurs inc. | Canada | — | — | 2 |
| Level-5 | Japan | October 28, 1998 | — | 2 |
| Levy-Gardner-Laven | United States | 1951 | — | 2 |
| Lexington Broadcast Services Company | — | 1976 | May 18, 1992 | 2 |
| Liberator Productions | France | — | — | 2 |
| Lichtblick Film | Germany | — | — | 2 |
| Light Chaser Animation Studios | People's Republic of China | 2013 | — | 2 |
| Lionsgate UK | — | 1997 | — | 2 |
| Live Nation Entertainment | United States | 2005 | — | 2 |
| London Independent Producers | — | — | — | 2 |
| Louie T. Beagle Productions | United States | — | — | 2 |
| Louise Productions | Switzerland | — | — | 2 |
| Lucas Entertainment | United States | 1998 | — | 2 |
| Lucas Kazan Productions | Italy | 1998 | — | 2 |
| Lucasfilm Animation | United States | May 12, 2003 | — | 2 |
| LUMA Foundation | Switzerland | — | — | 2 |
| Lumen Films | France | — | — | 2 |
| Lumiq Studios | Italy | 2002 | 2013 | 2 |
| Lumière & Co. | Italy | 1994 | — | 2 |