| HBO Max | Burbank | May 27, 2020 | 2 |
| Heatwave Entertainment | — | — | 2 |
| Helen Cinematic Organization | — | — | 2 |
| Hengdian Group | Hengdian | November 22, 1999 | 2 |
| Here Media | Los Angeles | 2009 | 2 |
| Heretic | Athens | 2013 | 2 |
| Heritage Films | Warsaw | 1991 | 2 |
| Hesam Film | — | — | 2 |
| Hoodlum | Brisbane | — | 2 |
| Hungarian Soviet Republic | — | March 21, 1919 | 2 |
| Hyperobject Industries | Los Angeles, California | October 2019 | 2 |
| Hyæne Film | Copenhagen | May 16, 2017 | 2 |
| ICI Radio-Canada Télé | New Maison de Radio-Canada | September 6, 1952 | 2 |
| Imprint Entertainment | Burbank | 2008 | 2 |
| Independent Artist Management | Hua Mak | January 18, 2017 | 2 |
| Inforg Stúdió | — | — | 2 |
| Institute for Regional Education | Santa Fe | April 3, 1973 | 2 |
| International Germania Film | — | — | 2 |
| Iran Nema Studio | — | 1958 | 2 |
| ISL Film | Budapest | — | 2 |
| Israel Film Fund | — | 1979 | 2 |
| ITN | 200 Gray's Inn Road | 1955 | 2 |
| ITV Central | Birmingham | 1982 | 2 |
| James Lefevre Studios | — | — | 2 |
| Janus Films | New York City | 1956 | 2 |
| Jesse D. Hampton Productions | — | 1918 | 2 |
| Jiangxi Film Studio | — | — | 2 |
| John Stagliano Productions | — | — | 2 |
| JVC | Yokohama | September 13, 1927 | 2 |
| Kaissar Film | Munich | 2008 | 2 |
| Kalyana Shira Films | — | — | 2 |
| Kamerafilm | — | — | 2 |
| Kaspien Holdings, Inc. | Albany | December 1972 | 2 |
| Katharina | — | — | 2 |
| Kinescope Film | Bremen | — | 2 |
| KinoAtis | — | June 23, 2004 | 2 |
| Kinotaurus | — | — | 2 |
| Kirch Group | Munich | 1955 | 2 |
| Kisi Production | Reykjavík | February 22, 2011 | 2 |
| Klockworx | Tokyo | January 24, 1997 | 2 |
| KNIFE! Films | — | — | 2 |
| Komeetta | Torkkelinmäki | — | 2 |
| Kordes & Kordes Film | Berlin | 2003 | 2 |
| Kriim | — | — | 2 |
| KRO-NCRV | Hilversum | 2014 | 2 |
| Kross Pictures | — | — | 2 |
| L'Ottava | Catania | 1985 | 2 |
| Laboratório Fantasma | São Paulo | 2008 | 2 |