| Les Productions Rivard | — | — | 1 |
| LeVision Pictures | Beijing | 2011 | 1 |
| Liaison Cinématographique | Paris | March 18, 2003 | 1 |
| Library and Archives Canada | Ottawa | May 21, 2004 | 1 |
| Life Work | Nerima | — | 1 |
| LIFT Productions | New Orleans | — | 1 |
| Lightyear Media | Beijing | October 13, 2014 | 1 |
| Limelight | — | 1962 | 1 |
| Liontree Films | — | February 14, 2025 | 1 |
| Little Big Bear Filmproduction | Berlin | — | 1 |
| Little Big Films | Kerala | — | 1 |
| Little Big Pictures | Seoul | — | 1 |
| Locksmith Animation | — | 2014 | 1 |
| Logo TV | New York City | June 30, 2005 | 1 |
| Lone Star Funds | Dallas | 1995 | 1 |
| Los Angeles Daily News | Los Angeles | 1911 | 1 |
| Los Angeles Newspaper Group | Woodland Hills | — | 1 |
| Lost Ones | — | July 2020 | 1 |
| Luis Film | — | — | 1 |
| Lunanime | Ghent | 2008 | 1 |
| Lutheran Hour Ministries | Orlando | 1917 | 1 |
| Lux Compagnie Cinématographique de France | France | November 14, 1906 | 1 |
| LVN Pictures | Quezon City | 1936 | 1 |
| M.H. Films Productions | — | — | 1 |
| Madan Theatres | — | 1919 | 1 |
| Made in Copenhagen | Copenhagen | 2010 | 1 |
| MAG Yapım | Uşak Province | 2023 | 1 |
| Magellan Films | Brussels | — | 1 |
| Magic | — | — | 1 |
| Mahakarya Pictures | East Tebet | 2009 | 1 |
| Mainframe Films and Television Productions | Lagos | 1991 | 1 |
| Maison 4:3 | Montreal | July 16, 2014 | 1 |
| Majestic Motion Picture Company | — | — | 1 |
| Makino Film Productions | — | 1923 | 1 |
| Malva | Lehedzyne | 1993 | 1 |
| Manchu Entertainment | Hyderabad | — | 1 |
| Manderlay | — | — | 1 |
| Manex Visual Effects | Alameda | — | 1 |
| Manfred Durniok Produktion | Berlin | — | 1 |
| Manga Entertainment | London | 1987 | 1 |
| Manglobe | Suginami | 2002 | 1 |
| Manigolda Film | — | — | 1 |
| Mano Film | Zurich | 2001 | 1 |
| Manslaughter | — | — | 1 |
| ManyVids | — | 2014 | 1 |
| Marea Films S.A. | Madrid | — | 1 |
| Marmalade Films | Ghent | November 29, 2013 | 1 |
| Mars Entertainment | Bouvignes-sur-Meuse | — | 1 |