| Hyperion Productions | Greece | — | — | 1 |
| I. L. Caragiale National University of Theatre and Film | Romania | 1954 | — | 1 |
| I.Sat | Argentina | 1993 | 2024 | 1 |
| IB3 | Spain | March 2005 | — | 1 |
| Iblis Films | Belgium | — | — | 1 |
| Ibtisam Films | Israel | — | — | 1 |
| ICM Partners | United States | 1975 | — | 1 |
| ICR Inbursa | Mexico | 1992 | — | 1 |
| ICTV | Ukraine | 1992 | — | 1 |
| Icónica | Spain | — | — | 1 |
| ID | United States | October 7, 1996 | — | 1 |
| Id ENTERTAINMENT | Japan | May 12, 2000 | — | 1 |
| Identity Films | — | 2006 | — | 1 |
| IFC Midnight | — | — | — | 1 |
| IFKY Films | United States | 2018 | — | 1 |
| Ikoon | Estonia | 2001 | — | 1 |
| Il Mattino | Italy | 1892 | — | 1 |
| Image Ten | United States | — | — | 1 |
| Imagem Filmes | Brazil | 1998 | — | 1 |
| Images de la Diversité | France | — | — | 1 |
| IMDb | United Kingdom | October 17, 1990 | — | 1 |
| Impala Studios | Netherlands | — | — | 1 |
| Improvision | — | 1990 | — | 1 |
| IN Film Praha | Czech Republic | — | — | 1 |
| Independent Film Company | — | — | — | 1 |
| Independent Short Film | Italy | — | — | 1 |
| Indian Summer Film | Sweden | — | — | 1 |
| Indigo Filmproduktion | Germany | — | — | 1 |
| Informasjonsfilm | Norway | — | — | 1 |
| InJourney Destination Management | Indonesia | — | — | 1 |
| InlayFilm | Russia | 2007 | — | 1 |
| Inspiration Pictures | United States | — | — | 1 |
| Institut français | France | 2011 | — | 1 |
| Institut Lumière | France | — | — | 1 |
| Institut Ramon Llull | Spain | April 5, 2002 | — | 1 |
| Institut Valencià de Cultura | Spain | — | — | 1 |
| Instituto Cinematográfico de El Salvador Revolucionario | El Salvador | — | — | 1 |
| Instituto Valencià de Cinematografia Ricardo Muñoz Suay | Spain | — | — | 1 |
| Instytucja Filmowa „Silesia-Film” | — | 1946 | — | 1 |
| Intel | United States | July 18, 1968 | — | 1 |
| Intelligent Creatures | — | 2003 | — | 1 |
| Inter | Ukraine | October 20, 1996 | — | 1 |
| Intercity Express | Netherlands | June 2, 1991 | — | 1 |
| Interfilm Production Studio | Ukraine | February 16, 2001 | — | 1 |
| Interloper Films | United States | 1994 | — | 1 |
| Intermedias | Italy | — | — | 1 |
| International Film Festival Rotterdam | Netherlands | — | — | 1 |
| International Film Service | United States | 1915 | July 6, 1918 | 1 |
| Intuitive Pictures | Canada | — | — | 1 |
| Ipotesi Cinema | Italy | 1982 | — | 1 |
| IPR.VC | Finland | December 22, 2014 | — | 1 |
| Ipso Facto Films | United Kingdom | — | — | 1 |
| IQIYI PICTURES | People's Republic of China | — | — | 1 |
| Iran Ecran | Pahlavi Iran | — | — | 1 |
| IRIB TV2 | Iran | 1979 | — | 1 |
| Iris Film | Sweden | 2018 | — | 1 |
| Irontree Films | United States | — | — | 1 |
| Isis Cataegis Pictures | Sweden | — | — | 1 |
| Islamic Republic of Iran Broadcasting | Iran | 1979 | — | 1 |
| Isuma | Canada | 1990 | — | 1 |
| Itaca Film | United Kingdom | — | — | 1 |
| ItalFrance films | France | — | — | 1 |
| Italian General Confederation of Labour | Italy | June 9, 1944 | — | 1 |
| ITV | United Kingdom | September 22, 1955 | — | 1 |
| ITV Wales & West | United Kingdom | 1968 | — | 1 |
| ITV Yorkshire | United Kingdom | 1968 | — | 1 |
| Ivan Film Productions | United States | 1914 | — | 1 |
| Ivan Fíla Filmproduktion | Germany | — | — | 1 |
| Ivi.ru | Russia | February 26, 2010 | — | 1 |
| Iwanami Productions | Japan | 1950 | — | 1 |
| İctimai Television | Azerbaijan | 2005 | — | 1 |
| İstisnai Filmler ve Reklamlar | Turkey | — | — | 1 |
| J&K Media Partner | Albania | — | — | 1 |
| J.N. Leoussis Group | Greece | — | — | 1 |
| J2 Communications | United States | 1962 | 2002 | 1 |
| Jabronie Pictures | United States | 2004 | — | 1 |
| Jacquie et Michel | France | — | — | 1 |
| James Deen Productions | United States | — | — | 1 |
| Janus-Film | Norway | 1951 | — | 1 |
| Japan Home Video | Japan | May 9, 1984 | — | 1 |
| Jarama | Spain | — | — | 1 |
| Jason's Entertainment Co., Ltd. | Taiwan | 1996 | — | 1 |
| Java Pacific Film | Indonesia | 1934 | — | 1 |
| Jax Media | — | — | — | 1 |
| Jay Sin Video | United States | — | — | 1 |
| Jayanna Combines | India | 1995 | — | 1 |
| Jcroductions | United States | 2020 | — | 1 |
| Jean Doumanian Productions | United States | — | — | 1 |
| Jean Frey AG | — | 1990 | — | 1 |
| Jellyfish | — | 1989 | — | 1 |
| Jeremy Isaac Productions | United Kingdom | — | — | 1 |
| Jerico | France | September 2008 | — | 1 |
| Jerusalem Capital Studios | Israel | 1978 | 2018 | 1 |
| Jetix | — | 2005 | August 10, 2010 | 1 |
| Jia-jia Cartoon Channel | People's Republic of China | — | — | 1 |
| Jim Henson Home Entertainment | United States | 1981 | — | 1 |
| Jim Henson Television | United States | 1997 | — | 1 |
| Jim Henson's Creature Shop | — | 1979 | — | 1 |
| Jo Strømgren Kompani | Norway | 1998 | — | 1 |
| John Abraham Entertainment | — | — | — | 1 |