| Higher Ground Productions | Los Angeles | May 2018 | 4 |
| HIT Entertainment | New York City, Los Angeles, London | 1982 | 4 |
| Hombale Films | Bengaluru | 2012 | 4 |
| Hugofilm | Zurich | 1999 | 4 |
| Hydraulx | Santa Monica | 2002 | 4 |
| IFI Sinema | — | — | 4 |
| International Film Service | — | — | 4 |
| It's Alive Films | Hermanninmäki | 2013 | 4 |
| ITV Granada | MediaCityUK | May 3, 1956 | 4 |
| Jannock Films | — | 2019 | 4 |
| Jet Tone Films | — | 1992 | 4 |
| Journeyman Pictures | — | — | 4 |
| K. Sera Sera | Mumbai | — | 4 |
| Kinokompanii︠a︡ "Andreevskiĭ flag" | Moscow | 2003 | 4 |
| Klasky Csupo | Los Angeles | 1982 | 4 |
| KlikFilm Productions | — | 2021 | 4 |
| Komplizen Film | Munich | — | 4 |
| Leo Pictures | Jakarta | 2019 | 4 |
| Les Films des Tournelles | — | — | 4 |
| Les Films Séville | Montreal | 1987 | 4 |
| Les Productions du Verseau Inc. | Montreal | February 12, 1973 | 4 |
| Lucky Man Films | Prague | 1999 | 4 |
| Magyar Televízió | Budapest | May 1957 | 4 |
| Mandarin Films Distribution | Causeway Bay | 1991 | 4 |
| Manga Films | — | — | 4 |
| Maximum Effort | New York City | 2018 | 4 |
| Medienwerkstatt Franken | Bavaria | 1981 | 4 |
| Mercenary Pictures | — | — | 4 |
| Messenger2050 Technologies | — | 2008 | 4 |
| Meteoriit | Tallinn | January 14, 2013 | 4 |
| Minerva Pictures | Rome | 1953 | 4 |
| Ministry of Culture of Russia | Moscow | May 12, 2008 | 4 |
| Mirabai Films | New York City | 1989 | 4 |
| Mischief Films | Vienna | — | 4 |
| MPI Media Group | Orland Park | 1976 | 4 |
| Mpower Pictures | Los Angeles | 2007 | 4 |
| Mukta Arts | Mumbai | 1978 | 4 |
| Muse Entertainment Enterprises | Montreal | 1998 | 4 |
| Natural Nylon | — | 1997 | 4 |
| Navodaya Studio | Kakkanad | 1976 | 4 |
| Nickel Odeon | — | 1995 | 4 |
| Nordisk Film & TV Fond | Oslo | November 27, 1999 | 4 |
| Noé Productions | — | — | 4 |
| Opus Film | Łódź | 1991 | 4 |
| Pana Film | Istanbul | 2004 | 4 |
| Parallel Film Productions | — | — | 4 |
| Paris Filmes | São Paulo | 1960 | 4 |
| Parkwood Entertainment | Los Angeles | 2008 | 4 |