| Kanoon-E Sinamagran-E Pishro | — | — | 4 |
| Kinokompanii︠a︡ "Andreevskiĭ flag" | Moskow | 2003 | 4 |
| Kinosto | Taka-Töölö | 18 Februari 2005 | 4 |
| Konrad Wolf Film University of Babelsberg | Babelsberg | 1954 | 4 |
| KRU Studios | Cyberjaya | 1992 | 4 |
| La copa de Psique | — | 2022 | 4 |
| Laurel Films | Beijing | 2000 | 4 |
| Legion M | — | 2016 | 4 |
| Leo Pictures | Jakarta | 2019 | 4 |
| Les Films A4 | — | — | 4 |
| Les Films des Tournelles | — | — | 4 |
| Les Films Séville | Montreal | 1987 | 4 |
| Les Productions du Verseau Inc. | Montreal | 12 Februari 1973 | 4 |
| Maestranza Films | Sevilla | — | 4 |
| Mandarin Films Distribution Co. Ltd. | Causeway Bay | 1991 | 4 |
| Mars Media Entertainment | Moskow | November 2011 | 4 |
| Maximum Effort | Kota New York | 2018 | 4 |
| Melenny Productions | — | — | 4 |
| Messenger2050 Technologies | — | 2008 | 4 |
| Meteoriit | Tallinn | 14 Januari 2013 | 4 |
| Metropolitan Filmexport | Paris | 1978 | 4 |
| Minerva Pictures | Roma | 1953 | 4 |
| Mingxing Film Company | Shanghai | Februari 1922 | 4 |
| Ministry of Culture of Russia | Moskow | 12 Mei 2008 | 4 |
| Mirabai Films | Kota New York | 1989 | 4 |
| Mischief Films | Wina | — | 4 |
| MPI Media Group | Orland Park | 1976 | 4 |
| Mpower Pictures | Los Angeles | 2007 | 4 |
| Muse Entertainment Enterprises | Montreal | 1998 | 4 |
| Napoli Film | — | — | 4 |
| Natural Nylon | — | 1997 | 4 |
| Navodaya Studio | Kakkanad | 1976 | 4 |
| Netherlands Film Fund | — | 1993 | 4 |
| Noel Films | — | — | 4 |
| Noé Productions | — | — | 4 |
| Oria Films | Madrid | 1999 | 4 |
| Pana Film | Istanbul | 2004 | 4 |
| Pantelion Films | Santa Monica | 2010 | 4 |
| Parallax Pictures | London | — | 4 |
| Paris Filmes | São Paulo | 1960 | 4 |
| Parkwood Entertainment | Los Angeles | 2008 | 4 |
| Pascal Pictures | — | — | 4 |
| Pasquali Film | Turin | 1908 | 4 |
| Periferia Productions | — | 2002 | 4 |
| Plato Film | — | — | 4 |
| Plattform Produktion | Göteborg | 2002 | 4 |
| Plum Pictures | Kota New York | 2003 | 4 |
| Porkkana Ryhmä | — | 1991 | 4 |