| La Osa Producciones Audiovisuales | Madrid | March 12, 2024 | — |
| La Société du spectacle | — | 1997 | — |
| La Société nouvelle de production | — | 1983 | — |
| Laponia Films | San Sebastián | 1961 | — |
| Lava Bear Films | Los Angeles | 2011 | — |
| Leeds Animation Workshop | Leeds | 1978 | — |
| Leni Riefenstahl-Produktion | Berlin | 1940 | — |
| Les Cartooneurs Associés | Paris | 1982 | — |
| Les Films du Nord | Roubaix | 1995 | — |
| Levitate Film | Amsterdam | — | — |
| Lightworkers Media | Los Angeles | 2011 | — |
| Lignose Hörfilm System Breusing | Berlin | — | — |
| Lillasyster produktion | Stockholm | 2005 | — |
| Link production | France | 2005 | — |
| Lionsgate Television | North Vancouver | July 1997 | — |
| Logos Film | Seoul | November 29, 2000 | — |
| Lost Colony Entertainment | New York City | 2001 | — |
| Louis B. Mayer Pictures Corporation | Los Angeles | 1918 | — |
| Lowave | — | 2002 | — |
| Lucisano Media Group | Rome | 1992 | — |
| LXTV | — | 2006 | — |
| Lynch/Frost Productions | — | 1989 | — |
| Lühifilmi Keskus ShortEST | — | 2014 | — |
| Magic TV | Paris | March 29, 1993 | — |
| Makido film | Vienna, Weimar, Meidling | 2011 | — |
| Mamahyhotala | Kyiv | 2012 | — |
| Maran Film GmbH | Stuttgart, Baden-Baden | 1963 | — |
| March Entertainment | Toronto | 1996 | — |
| Mason Ewing Corporation | Los Angeles | 2011 | — |
| Matar Productions | Tel Aviv | 1993 | — |
| Matchbox Pictures | Sydney | 2008 | — |
| Matthias-Film | Berlin | — | — |
| Maverick Television | — | 1994 | — |
| Maximal Productions | — | — | — |
| May 3rd Films | Washington, D.C. | 2003 | — |
| MBC Shahid | Riyadh | 2011 | — |
| Media Dreams | Chennai | 1997 | — |
| Megaherz Film und Fernsehen | Unterföhring | 1983 | — |
| Merit Motion Pictures | Winnipeg | 1988 | — |
| Mhoch2 TV | address | 2010 | — |
| Michigan films | Brussels metropolitan area | February 2006 | — |
| Minerva-Tonfilm | Berlin | — | — |
| Minor Film | — | 1996 | — |
| Miramón Mendi | — | 1988 | — |
| Mohawk Productions | — | 1991 | — |
| MOIN Filmförderung Hamburg Schleswig-Holstein | Hamburg | — | — |
| Monte Royal Pictures | Belgrade | 1994 | — |
| Motion Picture Patents Company | United States | 1908 | — |