| La Ruelle Films | Canada | — | — | 1 |
| La Sexta | Spain | March 27, 2006 | — | 1 |
| La7 | Italy | 1974 | — | 1 |
| Lacewood Productions | — | 1988 | 1998 | 1 |
| Ladies' Home Journal | United States | 1883 | April 24, 2014 | 1 |
| Lagune Productions | Senegal | — | — | 1 |
| Lang Film | — | 1980 | — | 1 |
| Lanterna Magica | Italy | 1983 | — | 1 |
| Lapone Entertainment | Japan | May 29, 2019 | — | 1 |
| Las Leyes de la Frontera AIE | Spain | — | — | 1 |
| LaScam | France | May 11, 1981 | — | 1 |
| Lat-Lon, LLC | United States | 1999 | — | 1 |
| Latitudes Production | Belgium | — | — | 1 |
| Latvian Academy of Culture | Latvia | December 29, 1990 | — | 1 |
| Latvians Abroad | Latvia | 2007 | — | 1 |
| Latvijas Televīzija | Latvia | June 29, 1992 | January 2, 2025 | 1 |
| Lavafilm | Germany | — | — | 1 |
| Lawson Entertainment | Japan | July 23, 1992 | — | 1 |
| Laya Films | Spain | 1936 | 1938 | 1 |
| Le Fresnoy | France | October 1997 | — | 1 |
| Le Spot | Greece | — | — | 1 |
| Lea Productions | Philippines | 1960 | 1994 | 1 |
| Left/Right Productions | United States | 2006 | — | 1 |
| Legend Films | United States | August 2001 | — | 1 |
| Lenoir Leclerc Inc. | Canada | — | — | 1 |
| Lens Film | Pahlavi Iran | — | — | 1 |
| Lente Curta+ | Brazil | October 21, 2025 | — | 1 |
| Leo Production | Estonia | — | — | 1 |
| Leone Film Group | Italy | 1989 | — | 1 |
| Lerche | Japan | 2011 | — | 1 |
| Lereby Produções | Brazil | 1998 | — | 1 |
| Les 3 Lignes | France | August 30, 2010 | — | 1 |
| Les Films Balenciaga | France | — | — | 1 |
| Les Films Concordia | — | 1963 | — | 1 |
| Les Films Copernic | France | — | — | 1 |
| Les Films de l'Arlequin | France | 1991 | — | 1 |
| Les Films de l'Atalante | France | 1980 | — | 1 |
| Les Films de la Passerelle | Belgium | 1984 | — | 1 |
| Les films de la tortue inc. | Canada | August 4, 2009 | — | 1 |
| Les Films en Hiver | France | — | — | 1 |
| Les Films Extérieur Jour | Canada | — | — | 1 |
| Les Films Jacques Leitienne | France | — | — | 1 |
| Les Films JAD | — | — | — | 1 |
| Les Films Raoul Ploquin | France | — | — | 1 |
| Les Films Rôdeurs | Canada | — | — | 1 |
| Les Productions Bagheera | France | — | — | 1 |
| Les Productions du lundi matin | Canada | — | — | 1 |
| Les Productions Rivard | Canada | — | — | 1 |
| Les Productions Sous Zéro | Canada | — | — | 1 |
| Les' Copaque Production | Malaysia | 2005 | — | 1 |
| LeVision Pictures | People's Republic of China | 2011 | — | 1 |
| Lexus | Japan | 1989 | — | 1 |
| Leópolis | Brazil | — | — | 1 |
| LG Group | South Korea | January 5, 1947 | — | 1 |
| Liaison Cinématographique | — | March 18, 2003 | — | 1 |
| Library and Archives Canada | Canada | May 21, 2004 | — | 1 |
| Lider TV | Azerbaijan | 2000 | June 2021 | 1 |
| Life Work | Japan | — | — | 1 |
| LIFT Productions | — | — | — | 1 |
| Lightbox | — | 2014 | — | 1 |
| Lightstream Israel | Israel | 2006 | — | 1 |
| Lightyear Media | People's Republic of China | October 13, 2014 | — | 1 |
| Lilies Films | France | — | — | 1 |
| Limelight | United States | 1962 | — | 1 |
| Limon Film | Turkey | — | — | 1 |
| Liontree Films | United Kingdom | February 14, 2025 | — | 1 |
| Little Big Bear Filmproduction | Germany | — | — | 1 |
| Little Big Films | — | — | — | 1 |
| Little Big Pictures | — | — | — | 1 |
| Little Dream Entertainment | Germany | — | — | 1 |
| Little Stranger | United States | January 5, 2001 | — | 1 |
| Lockheed Corporation | United States | 1970 | 1995 | 1 |
| Locksmith Animation | United Kingdom | 2014 | — | 1 |
| Logo TV | United States | June 30, 2005 | — | 1 |
| Loma Vista Recordings | United States | 2012 | — | 1 |
| Lomotion | Switzerland | 2001 | — | 1 |
| London Film Academy | United Kingdom | 2001 | — | 1 |
| London Gunn | United States | — | — | 1 |
| London Weekend Television | United Kingdom | August 2, 1968 | — | 1 |
| Lone Star Funds | United States | 1995 | — | 1 |
| Lonely Cat Productions | United States | — | — | 1 |
| LONGRIDE | Japan | — | — | 1 |
| Looks Film | — | 1995 | — | 1 |
| Los Angeles Daily News | United States | 1911 | — | 1 |
| Los Angeles Newspaper Group | — | — | — | 1 |
| Lost Ones | — | July 2020 | — | 1 |
| Louisville and Nashville Railroad | United States | 1850 | 1982 | 1 |
| Lucy Loves Stories | Finland | March 2015 | — | 1 |
| Luis Film | Italy | — | — | 1 |
| Lunanime | Belgium | 2008 | — | 1 |
| Lutheran Hour Ministries | United States | 1917 | — | 1 |
| Lux Compagnie Cinématographique de France | France | November 14, 1906 | — | 1 |
| LuXx Video | Hungary | July 1993 | — | 1 |
| LVN Pictures | — | 1936 | 2005 | 1 |
| M-production | Russia | 1992 | — | 1 |
| M.H. Films Productions | India | — | — | 1 |
| Macalla Teoranta | Ireland | 1997 | — | 1 |
| Madan Theatres | British Raj | 1919 | — | 1 |
| Made in Copenhagen | Denmark | 2010 | — | 1 |
| MadLove Film Factory | Colombia | — | — | 1 |