| Komuna | — | — | 1 |
| Kong Ngee Motion Picture Production Company | — | 1955 | 1 |
| Konstantin Märska Filmproduktsioon | — | — | 1 |
| Kopelson Entertainment | West Hollywood | — | 1 |
| Koppfilm Productions | Berlin | — | 1 |
| Korean Arts Movie Studio | — | — | 1 |
| Kosovafilm | Pristina | 1969 | 1 |
| Koulev Film | Sofia | — | 1 |
| KPA Planning | — | — | 1 |
| KQED | San Francisco | June 1953 | 1 |
| Kritanjoli Films | — | — | 1 |
| Kroyer Films | — | 1986 | 1 |
| Krup Productions | — | — | 1 |
| Kulturtuben | — | 1985 | 1 |
| Kultusfilm | — | — | 1 |
| Kurhaus production | Baden-Baden | — | 1 |
| Köggull Filmworks | — | — | 1 |
| La 2 | Sant Cugat del Vallès | November 15, 1966 | 1 |
| La Générale de Production | Paris | January 24, 2001 | 1 |
| La Iguana | Madrid | — | 1 |
| La Ruelle Films | Montreal | — | 1 |
| Lacewood Productions | — | 1988 | 1 |
| Ladies' Home Journal | — | 1883 | 1 |
| Lagune Productions | — | — | 1 |
| Lang Film | Freienstein-Teufen | 1980 | 1 |
| Lapone Entertainment | Shinjuku | May 29, 2019 | 1 |
| Larklight Productions | — | — | 1 |
| Las Leyes de la Frontera AIE | — | — | 1 |
| LaScam | 8th arrondissement of Paris | May 11, 1981 | 1 |
| Lat-Lon, LLC | Denver | 1999 | 1 |
| Lavafilm | Berlin | — | 1 |
| Laya Films | Barcelona | 1936 | 1 |
| Le Fresnoy | — | October 1997 | 1 |
| Legend Pictures | — | — | 1 |
| Lente Curta+ | Goiânia | October 21, 2025 | 1 |
| Leone Film Group | — | 1989 | 1 |
| Lerche | Japan | 2011 | 1 |
| Lereby Produções | Rio de Janeiro | 1998 | 1 |
| Les Films Balenciaga | — | — | 1 |
| Les Films Copernic | — | — | 1 |
| Les Films de l'Arlequin | France | 1991 | 1 |
| Les Films de l'Atalante | — | 1980 | 1 |
| Les Films de la Passerelle | Liège | 1984 | 1 |
| Les films de la tortue inc. | Montreal | August 4, 2009 | 1 |
| Les Films en Hiver | — | — | 1 |
| Les Films Jacques Leitienne | — | — | 1 |
| Les Films JAD | Montreal | — | 1 |
| Les Productions Bagheera | Paris | — | 1 |