| Intuitive Pictures | — | — | 1 |
| Investigation Discovery | Maryland | 7 Oktober 1996 | 1 |
| Ipso Facto Films | Newcastle upon Tyne | — | 1 |
| Irontree Films | San Diego | — | 1 |
| Itaca Film | London | — | 1 |
| Italia | — | 18 Juni 1946 | 1 |
| Italian General Confederation of Labour | Roma | 9 Juni 1944 | 1 |
| ITV Wales & West | Cardiff, Bristol | 1968 | 1 |
| Ivan Film Productions | — | 1914 | 1 |
| Ivan Fíla Filmproduktion | Frankfurt am Main | — | 1 |
| Ivi.ru | Moskow | 26 Februari 2010 | 1 |
| İctimai Television | Baku | 2005 | 1 |
| İstisnai Filmler ve Reklamlar | — | — | 1 |
| J Storm | Tokyo | 2001 | 1 |
| J&K Media Partner | — | — | 1 |
| J2 Communications | Amerika Serikat | 1962 | 1 |
| Jabronie Pictures | — | 2004 | 1 |
| Jacquie et Michel | — | — | 1 |
| Jalan Appia | — | 311 SM | 1 |
| James Deen Productions | — | — | 1 |
| Japan Home Video | Tokyo | 9 Mei 1984 | 1 |
| Jason's Entertainment Co., Ltd. | Taipei | 1996 | 1 |
| Jay Sin Video | — | — | 1 |
| Jayanna Combines | — | 1995 | 1 |
| Jcroductions | Nashville | 2020 | 1 |
| Jellyfish | — | 1989 | 1 |
| Jia-jia Cartoon Channel | — | — | 1 |
| Jim Henson Home Entertainment | — | 1981 | 1 |
| John Abraham Entertainment | Mumbai | — | 1 |
| John Sutherland Productions | — | 1945 | 1 |
| Journal-Film Klaus Volkenborn | Berlin | — | 1 |
| Jules Jordan Productions | — | — | 1 |
| K-Films Amerique | Montreal | — | 1 |
| K-Star | — | — | 1 |
| K/O Paper Products | Beverly Hills | 2005 | 1 |
| Kadokawa Dwango | Kabukiza Tower | 2014 | 1 |
| Kadokawa Haruki Corporation | Tokyo | 12 September 1995 | 1 |
| Kaleidoskop Films | — | — | 1 |
| Kalejdoskop Film Studio | Warsawa | 1988 | 1 |
| Kandor Graphics | Granada | 1992 | 1 |
| Karnos Film | — | — | 1 |
| Kasander & Wigman Productions | — | — | 1 |
| Katalyst Media | Los Angeles | 2000 | 1 |
| KC Medien | Munich | — | 1 |
| KDDI | Chiyoda | 1984 | 1 |
| Kementerian Pencerahan Publik dan Propaganda Reich | Ordenspalais | 1933 | 1 |
| Kementerian Pertahanan Nasional | Seoul | 17 Juli 1948 | 1 |
| Kenner Products | Cincinnati | 1946 | 1 |