| Iblis Films | Brussels | — | 1 |
| ICE3 | Paris | 1986 | 2 |
| Icelandic Film Corporation | — | — | 6 |
 ICI Radio-Canada Télé | New Maison de Radio-Canada | 6 September 1952 | 2 |
| Iconic Events | Los Angeles | 2020 | — |
| Icónica | Madrid | — | 1 |
| Ideal Film Company | London | 1911 | 62 |
| Ideas del Sur | — | 28 October 1996 | — |
| Ideosource Entertainment | — | 2011 | 5 |
| IDN Pictures | West Jakarta | — | 5 |
 IDTV | Amsterdam | 1977 | 7 |
| Iduna Film | Ismaning | — | 2 |
 IFC | — | September 1994 | 3 |
 IFC Films | New York City | 1999 | 10 |
| IFC Midnight | New York City | — | 1 |
| Igra TV | Soviet Union, Russia | 1990 | — |
 IHQ | Samseong-dong | February 1999 | 47 |
| Ikiru Films | Barcelona | — | 11 |
| Il Mattino | Naples | 1892 | 1 |
| Illume | Länsi-Pasila | 1987 | 6 |
 Illuminati Films | Mumbai | 2009 | 4 |
| Illusion | — | 1906 | — |
 Illusion Studios | Buenos Aires | 2001 | 3 |
| Iluzjon | — | 1955 | 24 |
| IM Global | Los Angeles | 2007 | 24 |
| Image Nation | — | 2008 | 13 |
| Image Ten | — | — | 1 |
| Imagem Filmes | Barueri | 1998 | 1 |
 ImageMovers | Novato | 1997 | 12 |
| ImageMovers Digital | Novato | 2007 | 11 |
| Images de la Diversité | — | — | 1 |
 Imagi Animation Studios | Chai Wan | 2000 | 4 |
| Imajinari Pictures | — | 2022 | 5 |
 IMAX Corporation | Mississauga | 1968 | 3 |
 IMDb | — | 17 October 1990 | 1 |
 IMG | New York City | 1960 | 2 |
| Impact Pictures | — | 2001 | 2 |
| Impala Studios | — | — | 1 |
| Imparja Television Pty Ltd | — | 1988 | — |
| Imperative Entertainment | Santa Monica | 2014 | 5 |
| Imperial Film of Bombay | — | — | 5 |
| Impossible Pictures | London | 2002 | — |
| In-Ruum | — | — | 2 |
 Independent Film Company | New York City | — | 1 |
| Independent Films | Amsterdam | 2000 | 3 |
 Independent Moving Pictures | New York City | 1909 | 2 |
| Indiana Production | Milan | 2005 | 14 |
| INDIESTORY | Seoul | 1998 | 55 |
| Indika Entertainment | South Jakarta | — | 2 |
| Industrial Light & Magic | San Francisco, Letterman Digital Arts Center | May 1975 | — |
| Industrie Cinematografiche Italiane | Rome | 1933 | 8 |
| Infinitum Nihil | Los Angeles | 2004 | 7 |
| Infinity Hill | — | — | 3 |
| Inflagranti Film | Berlin | — | — |
| Inflo Films | Toronto | 2004 | — |
| InformAction | Montreal | 1971 | 8 |
 InJourney Destination Management | — | — | 1 |
| Inkas Film Production | Athens | 1997 | 3 |
| InlayFilm | Moscow | 2007 | 1 |
| Innocent Pictures | Vallensbæk Strand | 25 March 2002 | 3 |
| Insight Film Studios | Vancouver | 1990 | 2 |
| Inspiration Pictures | — | — | 1 |
 Institut Lumière | — | — | 1 |
 Institut national de l'audiovisuel | Bry-sur-Marne | 6 January 1975 | 7 |
 Institut Ramon Llull | Palau del Baró de Quadras | 5 April 2002 | 1 |
| Institut Valencià de Cultura | — | — | 1 |
| Institute for Regional Education | Santa Fe | 3 April 1973 | 2 |
 Institute for the Intellectual Development of Children and Young Adults | — | 8 January 1965 | 9 |
 Instituto Cubano del Arte y la Industria Cinematográficos | — | 1959 | 56 |
 Instituto de la Cinematografía y de las Artes Audiovisuales | Madrid | 1985 | 19 |
| Instituto do Cinema e do Audiovisual | — | 1971 | 5 |
| Instituto Nacional de Cinema | — | 1976 | 3 |
| Instituto Valencià de Cinematografia Ricardo Muñoz Suay | — | — | 1 |
| Instytucja Filmowa „Silesia-Film” | — | 1946 | 1 |
| Intelligent Creatures | Toronto | 2003 | 1 |
| Interloper Films | — | 1994 | 1 |
| Internacional Films | Carrer de València | 1920 | — |
 International Film Festival Rotterdam | — | — | 1 |
 International Film Service | — | 1915 | 1 |
| Interscope Films | — | 1982 | 30 |
 Interscope Records | Santa Monica | 1989 | 2 |
| Intrepid Pictures | Santa Monica, Los Angeles | 2004 | 12 |
| Intuitive Pictures | — | — | 1 |
| IPR.VC | Helsinki | 22 December 2014 | 1 |
| Ipso Facto Films | Newcastle upon Tyne | — | 1 |
| IQIYI PICTURES | — | — | 1 |
| Iran Center for film Industries | — | — | 4 |
| Iran Ecran | — | — | 1 |
| Iran Film | — | — | 11 |
| Iris Films | Barcelona | 1909 | — |
| Iris Productions | — | — | 5 |
| Ishimori Productions | Tokyo | 1967 | 14 |
| Isis Cataegis Pictures | — | — | 1 |
 Island Records | London | 4 July 1959 | 4 |
| Israel Film Fund | — | 1979 | 2 |
 It's a Laugh Productions | Studio City | 3 November 2003 | 3 |
| Itaca Film | London | — | 1 |
| Itala-Film | Berlin | — | — |
| ItalFrance films | Paris | — | 1 |
 Italian General Confederation of Labour | Rome | 9 June 1944 | 1 |
| Italian International Film | Rome | 1958 | 37 |
 ITV | The London Studios | 22 September 1955 | 1 |
 ITV Anglia | Norwich | 1959 | — |
 ITV Wales & West | Cardiff, Bristol | 1968 | 1 |
| Ivan Fíla Filmproduktion | Frankfurt | — | 1 |
 Ivi.ru | Moscow | 26 February 2010 | 1 |
| Iwanami Productions | — | 1950 | 1 |
 IWantTFC | — | 2011 | — |
| IWC Media | Glasgow | 2004 | — |
 Iyuno Germany | Lankwitz | 14 October 1949 | — |
| Izawa Office | Akasaka | 11 January 1979 | — |
 İctimai Television | Baku | 2005 | 1 |
| İstisnai Filmler ve Reklamlar | — | — | 1 |
 Île-de-France | — | 4 June 1960 | 1 |