| L'Altrofilm | Turin | 1998 | 3 |
| L'Ottava | Catania | 1985 | 2 |
| La 2 | Sant Cugat del Vallès | November 15, 1966 | 1 |
| La Blogothèque productions | Paris | November 12, 2009 | — |
| La Compagnie des Taxis-Brousse | — | 1991 | 2 |
| La Grosse Équipe | Paris | 2005 | — |
| La Générale de Production | Paris | January 24, 2001 | 1 |
| La Iguana | Madrid | — | 1 |
| La Manchester | Sabadell | July 27, 2015 | 1 |
| La Parti Productions | — | 1999 | 2 |
| LA Productions | — | 2000 | 1 |
| La Ruelle Films | Montreal | — | 1 |
| La Sexta | Madrid | March 27, 2006 | 1 |
| La7 | Rome | 1974 | 1 |
| Lacewood Productions | — | 1988 | 1 |
| Lacta | — | — | 2 |
| Lakshmi Narasimha Entertainments | Hyderabad | 2011 | 3 |
| Lan Zinema | Bilbao | 1978 | 5 |
| Laokoon Filmgroup | Budapest District XIII | 2002 | 2 |
| Lapone Entertainment | Shinjuku | May 29, 2019 | 1 |
| Larklight Productions | — | — | 1 |
| Las Leyes de la Frontera AIE | — | — | 1 |
| Last Carnival | — | — | 1 |
| Lastor Media | Barcelona | — | 7 |
| Lat-Lon, LLC | Denver | 1999 | 1 |
| Laterit Productions (France) | — | 1988 | 3 |
| Latvian Academy of Culture | — | December 29, 1990 | 1 |
| Latvians Abroad | Riga | 2007 | 1 |
| Lava Bear Films | Los Angeles | 2011 | — |
| Lavafilm | Berlin | — | 1 |
| Lawson Entertainment | Gate City Ohsaki | July 23, 1992 | 1 |
| Laya Films | Barcelona | 1936 | 1 |
| Le Film d'art | France | January 18, 1908 | 11 |
| Le Fresnoy | — | October 1997 | 1 |
| Le Pacte | — | 2007 | 14 |
| Le Spot | Athens | — | 1 |
| Leeds Animation Workshop | Leeds | 1978 | — |
| Left/Right Productions | New York | 2006 | 1 |
| Legacy Pictures | Jakarta | 2015 | 19 |
| Legend Films | San Diego | August 2001 | 1 |
| Legend Pictures | — | — | 1 |
| Lemming Film | — | 1995 | 8 |
| Lendok Open Film Studio | Kryukov Canal Embankment, Saint Petersburg | 1932 | 9 |
| Lenfilm | Saint Petersburg | 1914 | 578 |
| Lennauchfilm | Saint Petersburg | 1933 | 5 |
| Lens Film | — | — | 1 |
| Lente Curta+ | Goiânia | October 21, 2025 | 1 |
| Lentsch Productions | — | 2022 | 9 |
| Leo Pictures | Jakarta | 2019 | 4 |
| Leo Production | — | — | 1 |
| Leone Film Group | — | 1989 | 1 |
| Leonine Distribution | Munich | 1979 | 2 |
| Lerche | Japan | 2011 | 1 |
| Les Armateurs | Paris | 1994 | 5 |
| Les Films A4 | — | — | 4 |
| Les Films Christian Fechner | — | 1992 | 8 |
| Les Films Concordia | France | 1963 | 1 |
| Les Films Corona | Nanterre | 1945 | 7 |
| Les Films de la Passerelle | Liège | 1984 | 1 |
| Les Films de Pierre | Paris | December 24, 2007 | 5 |
| Les Films des Tournelles | — | — | 4 |
| Les Films du 24 | Neuilly-sur-Seine | 1996 | 16 |
| Les Films du Cap | Paris | — | 3 |
| Les Films du Carrosse | Paris | 1957 | 11 |
| Les Films du Fleuve | Liège | 1994 | 16 |
| Les Films du Kiosque | — | 1994 | 17 |
| Les Films du Loup | — | — | 2 |
| Les Films du Poisson | Paris | 1995 | 24 |
| Les Films en Hiver | — | — | 1 |
| Les Films Jean-Pierre Lefebvre | — | — | 2 |
| Les Films Rôdeurs | Montreal | — | 1 |
| Les Films Séville | Montreal | 1987 | 4 |
| Les Frères Cinéma | Lomé | June 2010 | 3 |
| Les Productions Bagheera | Paris | — | 1 |
| Les Productions de la Guéville | — | — | 11 |
| Les Productions du lundi matin | — | — | 1 |
| Les Productions du Trésor | France | 1995 | 10 |
| Les Productions du Verseau Inc. | Montreal | February 12, 1973 | 4 |
| Les Productions Lazennec | — | — | 3 |
| Les Productions Rivard | — | — | 1 |
| Les Valseurs | Paris | 2013 | — |
| Les' Copaque Production | Shah Alam | 2005 | 1 |
| Letterbox Filmproduktion | Hamburg | December 28, 1987 | 3 |
| Level-5 | Fukuoka | October 28, 1998 | 2 |
| Levy-Gardner-Laven | — | 1951 | 2 |
| Lexington Broadcast Services Company | United States | 1976 | 2 |
| Lexus | Nagoya | 1989 | 1 |
| Leópolis | — | — | 1 |
| LG Group | Seoul | January 5, 1947 | 1 |
| Liaison Cinématographique | Paris | March 18, 2003 | 1 |
| Lianhua Film Company | — | 1930 | 11 |
| Library and Archives Canada | Ottawa | May 21, 2004 | 1 |
| Lider TV | Baku | 2000 | 1 |
| Life Work | Nerima | — | 1 |
| LIFT Productions | New Orleans | — | 1 |
| Light Chaser Animation Studios | Beijing | 2013 | 2 |
| Lightstream Israel | Tel Aviv | 2006 | 1 |
| Lightworkers Media | Los Angeles | 2011 | — |
| Lignose Hörfilm System Breusing | Berlin | — | — |
| Likely Story | New York City | 2006 | 18 |
| Lilies Films | — | — | 1 |
| Lillasyster produktion | Stockholm | 2005 | — |
| Limon Film | — | — | 1 |
| Link production | France | 2005 | — |
| Lionsgate Television | North Vancouver | July 1997 | — |
| Liontree Films | — | February 14, 2025 | 1 |
| Lisa Film | Vienna | 1964 | 17 |
| Lithuanian Film Studios | Vilnius | 1940 | 26 |
| Little Bear | 10ᵗʰ arrondissement of Paris | 1975 | 33 |
| Little Big Bear Filmproduction | Berlin | — | 1 |
| Little Big Films | Kerala | — | 1 |
| Little Dream Entertainment | Cologne | — | 1 |
| Little Shark Entertainment | Cologne | — | 3 |
| Little Stranger | New York City | January 5, 2001 | 1 |
| Live Nation Entertainment | Beverly Hills | 2005 | 2 |
| LivePlanet | — | 2000 | 6 |
| Logo TV | New York City | June 30, 2005 | 1 |
| Logos Film | Seoul | November 29, 2000 | — |
| Lolafilms | — | — | 17 |
| London Film Academy | — | 2001 | 1 |
| London Weekend Television | London | August 2, 1968 | 1 |
| Lone Star Productions | — | 1933 | 16 |
| Lonely Cat Productions | — | — | 1 |
| Look Film | Moscow | 2010 | 3 |
| Looks Film | — | 1995 | 1 |
| Lorimar Television | Culver City | February 1969 | 34 |
| Los Angeles Daily News | Los Angeles | 1911 | 1 |
| Los Angeles Media Fund | Beverly Hills | September 14, 2014 | 3 |
| Lost Colony Entertainment | New York City | 2001 | — |
| Lost Ones | — | July 2020 | 1 |
| Lotus Film | Vienna | 1982 | 14 |
| Louie T. Beagle Productions | — | — | 2 |
| Louisville and Nashville Railroad | Louisville | 1850 | 1 |
| Love Streams agnès b. Productions | — | 1997 | 3 |
| Lowave | — | 2002 | — |
| Lucas Entertainment | New York City | 1998 | 2 |
| Lucas Kazan Productions | Hollywood | 1998 | 2 |
| Lucasfilm | San Francisco, Letterman Digital Arts Center, California | 1971 | 31 |
| Lucernafilm | Prague | June 13, 1912 | 3 |
| Lucky Man Films | Prague | 1999 | 4 |
| LuckyChap Entertainment | Los Angeles | — | 6 |
| Lumen Films | Paris | — | 2 |
| Lumiq Studios | Turin | 2002 | 2 |
| Lumiton | Munro | 1932 | 12 |
| Lumière | — | 1990 | — |
| Lunanime | Ghent | 2008 | 1 |
| Lunde Film | — | — | 4 |
| Lutheran Hour Ministries | Orlando | 1917 | 1 |
| Luv Films | Mumbai | 2012 | 3 |
| Lux Compagnie Cinématographique de France | France | November 14, 1906 | 1 |
| Lux Vide | Rome | 1992 | 2 |
| Luxfilm | — | 2005 | 8 |
| LuXx Video | Budapest | July 1993 | 1 |
| Luz y Sonidos | — | — | 11 |
| LVN Pictures | Quezon City | 1936 | 1 |
| Lyca Productions | Chennai | 2014 | 11 |
| Lynch/Frost Productions | — | 1989 | — |
| Lyrick Studios | Allen | 1983 | 2 |
| Lysthuset | — | — | 3 |
| Långfilm Productions | Länsi-Pasila | 2001 | 2 |
| Lühifilmi Keskus ShortEST | — | 2014 | — |