| Maximum Effort | New York City | 2018 | 4 |
| Melenny Productions | — | — | 4 |
| Mercenary Pictures | — | — | 4 |
| Messenger2050 Technologies | — | 2008 | 4 |
| Metropolitan Filmexport | Paris | 1978 | 4 |
| Mingxing Film Company | Shanghai | February 1922 | 4 |
| Ministry of Culture of Russia | Moscow | May 12, 2008 | 4 |
| Mirabai Films | New York City | 1989 | 4 |
| Mischief Films | Vienna | — | 4 |
| Mukta Arts | Mumbai | 1978 | 4 |
| Muse Entertainment Enterprises | Montreal | 1998 | 4 |
| Natural Nylon | — | 1997 | 4 |
| Navodaya Studio | Kakkanad | 1976 | 4 |
| Netherlands Film Fund | — | 1993 | 4 |
| Nickel Odeon | — | 1995 | 4 |
| Noel Films | — | — | 4 |
| Nordisk Film & TV Fond | Oslo | November 27, 1999 | 4 |
| Oria Films | Madrid | 1999 | 4 |
| Parallel Film Productions | — | — | 4 |
| Pascal Pictures | — | — | 4 |
| People Incorporated | New York City | July 28, 1986 | 4 |
| Periferia Productions | — | 2002 | 4 |
| Plattform Produktion | Gothenburg | 2002 | 4 |
| PolyGram | Amsterdam | 1972 | 4 |
| Porkkana Ryhmä | — | 1991 | 4 |
| Productions Leitmotiv | Montreal | 2013 | 4 |
| Provobis | Berlin | — | 4 |
| Proximus | Brussels | 1994 | 4 |
| Q110226759 | — | 1995 | 4 |
| Q111475937 | Beverly Hills | October 2017 | 4 |
| Q111550187 | — | — | 4 |
| Q114966474 | Munich | 1974 | 4 |
| Q122741 | Shinagawa | June 3, 1960 | 4 |
| Q125618460 | — | — | 4 |
| Q137270007 | — | — | 4 |
| Q138840701 | Empoli | — | 4 |
| Q2491921 | Utrecht | 2004 | 4 |
| Q3881031 | Milan | 2002 | 4 |
| Realart Pictures Corporation | New York City | 1919 | 4 |
| Really Useful Group | London | 1977 | 4 |
| Red Granite Pictures | West Hollywood | 2010 | 4 |
| Red Light District Video | Chatsworth, Los Angeles | 2002 | 4 |
| Rex Motion Picture Company | — | 1909 | 4 |
| Rhythm and Hues Studios | El Segundo | 1987 | 4 |
| River Road Entertainment | Minneapolis, Los Angeles | 1987 | 4 |
| Rommel Film | Berlin | — | 4 |
| Rooster Teeth | Austin, Los Angeles, Flower Mound | April 2003 | 4 |
| Rough House Pictures | — | 2009 | 4 |