| I&u TV | Germany | 2000 | — | — |
| 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 |
| ICE3 | France | 1986 | — | 2 |
| Icelandic Film Corporation | Iceland | — | — | 6 |
| ICI Radio-Canada Télé | Canada | September 6, 1952 | — | 2 |
| ICM Partners | United States | 1975 | — | 1 |
| Icon Productions | United States | August 1989 | — | 33 |
| Iconic Events | United States | 2020 | — | — |
| 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 |
| Ideal Film Company | United Kingdom | 1911 | — | 62 |
| Ideas del Sur | Argentina | October 28, 1996 | 2017 | — |
| Identity Films | — | 2006 | — | 1 |
| Ideosource Entertainment | Indonesia | 2011 | — | 5 |
| IDN Pictures | Indonesia | — | — | 5 |
| IDTV | Netherlands | 1977 | — | 7 |
| Iduna Film | Germany | — | — | 2 |
| IFC | United States | September 1994 | — | 3 |
| IFC Films | United States | 1999 | — | 10 |
| IFC Midnight | — | — | — | 1 |
| IFI Sinema | Indonesia | — | — | 4 |
| IFKY Films | United States | 2018 | — | 1 |
| Ignite Entertainment | — | 1998 | — | — |
| Igra TV | Russia | 1990 | — | — |
| IHQ | South Korea | February 1999 | — | 47 |
| Ikiru Films | Spain | — | — | 11 |
| Ikoon | Estonia | 2001 | — | 1 |
| Il Mattino | Italy | 1892 | — | 1 |
| Illume | Finland | 1987 | — | 6 |
| Illuminati Films | India | 2009 | — | 4 |
| Illumination | Singapore | January 17, 2007 | — | 18 |
| Illusion | Austria–Hungary | 1906 | — | — |
| Illusion Studios | — | 2001 | — | 3 |
| Iluzjon | — | 1955 | 1987 | 24 |
| IM Global | United States | 2007 | — | 24 |
| Image Comics | United States | 1992 | — | 2 |
| Image Entertainment | United States | 1981 | — | 3 |
| Image Nation | — | 2008 | — | 13 |
| Image Production House | — | — | — | 2 |
| Image Ten | United States | — | — | 1 |
| Imagem Filmes | Brazil | 1998 | — | 1 |
| ImageMovers | United States | 1997 | — | 12 |
| ImageMovers Digital | United States | 2007 | 2011 | 11 |
| Images de la Diversité | France | — | — | 1 |
| Imagi Animation Studios | — | 2000 | — | 4 |
| Imagine Entertainment | United States | November 1985 | — | 90 |
| Imaj Film | Iran | — | — | 2 |
| Imajinari Pictures | Indonesia | 2022 | — | 5 |
| IMAX Corporation | Canada | 1968 | — | 3 |
| IMDb | United Kingdom | October 17, 1990 | — | 1 |
| IMG | United States | 1960 | — | 2 |
| Impact Pictures | Canada | 2001 | — | 2 |
| Impala | Spain | — | — | 8 |
| Impala Studios | Netherlands | — | — | 1 |
| Imparja Television Pty Ltd | Australia | 1988 | — | — |
| Imperative Entertainment | United States | 2014 | — | 5 |
| Imperial Film of Bombay | India | — | — | 5 |
| Impossible Pictures | — | 2002 | — | — |
| Impress Telefilm Limited | Bangladesh | 1996 | — | 25 |
| Imprint Entertainment | — | 2008 | — | 2 |
| Improvision | — | 1990 | — | 1 |
| IN Film Praha | Czech Republic | — | — | 1 |
| In-Ruum | Estonia | — | — | 2 |
| Incite Pictures | United States | — | — | — |
| Independent Artist Management | Thailand | January 18, 2017 | — | 2 |
| Independent Film Company | — | — | — | 1 |
| Independent Films | Netherlands | 2000 | — | 3 |
| Independent Moving Pictures | United States | 1909 | 1917 | 2 |
| Independent Short Film | Italy | — | — | 1 |
| Indian Summer Film | Sweden | — | — | 1 |
| Indiana Production | Italy | 2005 | — | 14 |
| IndieMan Productions | United States | 2012 | — | 3 |
| INDIESTORY | South Korea | 1998 | — | 55 |
| Indigo Film | Italy | 1994 | — | 20 |
| Indigo Filmproduktion | Germany | — | — | 1 |
| Indika Entertainment | Indonesia | — | — | 2 |
| Industrial Light & Magic | United States | May 1975 | — | — |
| Industrie Cinematografiche Italiane | Italy | 1933 | 1950 | 8 |
| Infinitum Nihil | United States | 2004 | — | 7 |
| Infinity Hill | Argentina | — | — | 3 |
| Inflagranti Film | Germany | — | — | — |
| Inflo Films | Canada | 2004 | — | — |
| Inforg Stúdió | Hungary | — | — | 2 |
| Inforg-M&M Film | Hungary | 2007 | — | 6 |
| InformAction | — | 1971 | — | 8 |
| Informasjonsfilm | Norway | — | — | 1 |
| Ingenious Media | — | 1998 | — | 45 |
| InJourney Destination Management | Indonesia | — | — | 1 |
| Ink Pixel Films | — | 2010 | — | — |
| Inkas Film Production | Greece | 1997 | — | 3 |
| Inkblot Productions | Nigeria | 2010 | — | 8 |
| InlayFilm | Russia | 2007 | — | 1 |
| Innocent Pictures | Denmark | March 25, 2002 | October 19, 2011 | 3 |
| InScript | Lithuania | January 14, 2013 | — | 2 |
| Insight Film Studios | — | 1990 | — | 2 |
| Insignia Films | United States | 1988 | — | 3 |
| Inspiration Pictures | United States | — | — | 1 |
| Institut Català de les Empreses Culturals | Spain | 2000 | — | 8 |
| Institut del Cinema Català | — | 1975 | — | 3 |
| Institut français | France | 2011 | — | 1 |
| Institut Lumière | France | — | — | 1 |
| Institut national de l'audiovisuel | France | January 6, 1975 | — | 7 |
| Institut Ramon Llull | Spain | April 5, 2002 | — | 1 |
| Institut Valencià de Cultura | Spain | — | — | 1 |
| Institute for Regional Education | United States | April 3, 1973 | — | 2 |
| Institute for the Intellectual Development of Children and Young Adults | Iran | January 8, 1965 | — | 9 |
| Instituto Cinematográfico de El Salvador Revolucionario | El Salvador | — | — | 1 |
| Instituto Cubano del Arte y la Industria Cinematográficos | Cuba | 1959 | — | 56 |
| Instituto de la Cinematografía y de las Artes Audiovisuales | Spain | 1985 | — | 19 |
| Instituto do Cinema e do Audiovisual | Portugal | 1971 | — | 5 |
| Instituto Mexicano de Cinematografía | Mexico | 1983 | — | 79 |
| Instituto Nacional de Cinema | Mozambique | 1976 | 1991 | 3 |
| 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 |
| Inter-Services Public Relations | Pakistan | 1949 | — | 2 |
| Intercity Express | Netherlands | June 2, 1991 | — | 1 |
| Interfilm Production Studio | Ukraine | February 16, 2001 | — | 1 |
| Interloper Films | United States | 1994 | — | 1 |
| Intermedias | Italy | — | — | 1 |
| Internacional Films | Spain | 1920 | 1950 | — |
| International Film Festival Rotterdam | Netherlands | — | — | 1 |
| International Film Service | Norway | — | — | 4 |
| International Film Service | United States | 1915 | July 6, 1918 | 1 |
| International Germania Film | Germany | — | — | 2 |
| Interopa Film | Germany | 1959 | — | — |
| Interscope Films | — | 1982 | 2003 | 30 |
| Interscope Records | United States | 1989 | — | 2 |
| Intrepid Pictures | United States | 2004 | — | 12 |
| Intuitive Pictures | Canada | — | — | 1 |
| Ipotesi Cinema | Italy | 1982 | — | 1 |
| IPR.VC | Finland | December 22, 2014 | — | 1 |
| Ipso Facto Films | United Kingdom | — | — | 1 |
| IQIYI | People's Republic of China | April 22, 2010 | — | 2 |
| IQIYI PICTURES | People's Republic of China | — | — | 1 |
| Iran Center for film Industries | Pahlavi Iran | — | — | 4 |
| Iran Ecran | Pahlavi Iran | — | — | 1 |
| Iran Film | Pahlavi Iran | — | — | 11 |
| Iran Nema Studio | Pahlavi Iran | 1958 | — | 2 |
| IRIB TV2 | Iran | 1979 | — | 1 |
| Iris Film | Sweden | 2018 | — | 1 |
| Iris Films | Spain | 1909 | 1911 | — |
| Iris Productions | Luxembourg | — | — | 5 |
| Ironbound Films | United States | 2003 | — | 4 |
| Irontree Films | United States | — | — | 1 |
| Irwin Entertainment | United States | 2004 | — | — |
| Isabella Films | Netherlands | — | — | 5 |
| Ishimori Productions | Japan | 1967 | — | 14 |
| Isis Cataegis Pictures | Sweden | — | — | 1 |
| ISL Film | Hungary | — | — | 2 |
| Islamic Republic of Iran Broadcasting | Iran | 1979 | — | 1 |
| Island Records | Jamaica | July 4, 1959 | — | 4 |
| Israel Film Fund | Israel | 1979 | — | 2 |
| Israel Film Service | Israel | 1956 | — | — |
| Istituto Luce | Italy | 1924 | May 2009 | 21 |
| Isuma | Canada | 1990 | — | 1 |
| It's a Laugh Productions | United States | November 3, 2003 | — | 3 |
| It's Alive Films | Finland | 2013 | — | 4 |
| Itaca Film | United Kingdom | — | — | 1 |
| Itala Film | Italy | 1907 | 1927 | 53 |
| Itala-Film | Germany | — | — | — |
| ItalFrance films | France | — | — | 1 |
| Italian General Confederation of Labour | Italy | June 9, 1944 | — | 1 |
| Italian International Film | Italy | 1958 | — | 37 |
| ITC Entertainment | United Kingdom | 1954 | October 11, 1998 | 41 |
| Item 7 | — | 2009 | — | 8 |
| ITN | United Kingdom | 1955 | — | 2 |
| ITV | United Kingdom | September 22, 1955 | — | 1 |
| ITV Anglia | United Kingdom | 1959 | — | — |
| ITV Central | United Kingdom | 1982 | — | 2 |
| ITV Granada | United Kingdom | May 3, 1956 | — | 4 |
| ITV Studios | — | 1954 | — | 3 |
| ITV Studios Germany | Germany | 1999 | — | — |
| ITV Wales & West | United Kingdom | 1968 | — | 1 |
| ITV Yorkshire | United Kingdom | 1968 | — | 1 |
| ITVS | United States | — | — | 8 |
| Ivan Film Productions | United States | 1914 | — | 1 |
| Ivan Fíla Filmproduktion | Germany | — | — | 1 |
| Ivi.ru | Russia | February 26, 2010 | — | 1 |
| Iwanami Productions | Japan | 1950 | — | 1 |
| IWantTFC | Philippines | 2011 | — | — |
| IWC Media | — | 2004 | — | — |
| Iyuno Germany | Germany | October 14, 1949 | — | — |
| Izawa Office | Japan | January 11, 1979 | — | — |
| İctimai Television | Azerbaijan | 2005 | — | 1 |
| İstisnai Filmler ve Reklamlar | Turkey | — | — | 1 |
| Île-de-France | France | June 4, 1960 | — | 1 |