| Téléparis | France | — | — | — |
| Tööt-Filmi | Finland | 1979 | 1996 | — |
| Tükenmezkalem Film | Turkey | — | — | — |
| U5 Filmproduktion | Germany | 1997 | — | — |
| UBURU | Japan | September 17, 2009 | — | — |
| UFA Serial Drama | Germany | 1991 | — | — |
| Unicorn Content | Spain | June 27, 2017 | — | — |
| Union Film Enterprise Ltd | British Hong Kong | 1952 | 1967 | — |
| United Artists Television | United States | 1958 | 1983 | — |
| Universal Content Productions | United States | June 2008 | — | — |
| Universal Newsreel | United States | — | — | — |
| Universal Television Alternative Studio UK | United Kingdom | 2000 | — | — |
| Unusuality Productions | — | 2005 | — | — |
| Uplink | Japan | September 10, 1987 | — | — |
| Upside Down Pictures | United States | 2022 | — | — |
| Urania-Film | Estonia | 1930 | — | — |
| Uranzu Films | Spain | 1964 | — | — |
| Urban Works | South Korea | March 2009 | — | — |
| Valhalla Entertainment | United States | 1982 | — | — |
| Vavёrka Production | Ukraine | 2012 | — | — |
| Vera-Filmwerke | German Reich | — | 1941 | — |
| Verity Films | United Kingdom | 1940 | — | — |
| VID | Russia | 1987 | — | — |
| Vienna Film Fund | Austria | 1976 | — | — |
| VipVision | Finland | February 23, 1987 | November 30, 1999 | — |
| Vita-Film | Austria | — | — | — |
| Voyage | France | May 31, 1996 | December 31, 2020 | — |
| Wale Adenuga Production | Nigeria | 1978 | — | — |
| Warner Bros. Clockwork | United States | December 18, 2025 | — | — |
| Warner Bros. Domestic Television Distribution | United States | January 10, 1972 | — | — |
| Warner Bros. International Television Production New Zealand | — | — | — | — |
| Warner Bros. Television Studios UK | United Kingdom | 1998 | — | — |
| WATCH IT | Egypt | 2019 | — | — |
| Way Creative | Sweden | 2003 | — | — |
| Wegelius Television | Sweden | 1990 | — | — |
| Wellenreiter.tv | Germany | 1996 | July 2017 | — |
| Wendros | Sweden | 1976 | — | — |
| West Siberian Film Studio | Russia | November 13, 1930 | — | — |
| WG Film | Sweden | July 20, 1995 | — | — |
| WGBH | United States | 1951 | — | — |
| White Eagle Enterprises | United States | 1986 | — | — |
| Wholeman | Japan | October 1990 | — | — |
| Will Media | Germany | — | — | — |
| Witt/Thomas Productions | United States | 1973 | 2016 | — |
| Woodpecker Film | Finland | July 2004 | December 31, 2010 | — |
| Wood’s Office | Japan | April 1983 | — | — |
| World Wide Motion Pictures Corporation | United States | 1977 | — | — |
| World Wide Pictures | United Kingdom | 1942 | — | — |
| Wētā FX | New Zealand | 1993 | — | — |
| Yes Drama | Israel | December 14, 2008 | — | — |
| Your Family Entertainment | Germany | 1999 | — | — |
| Zentralfilmgesellschaft Ost | Nazi Germany | November 10, 1941 | — | — |
| Zeppelin TV | Spain | 1992 | — | — |
| Zeppotron | United Kingdom | 2000 | — | — |
| Zhejiang Talent Television & Film Co., Ltd. | People's Republic of China | October 2005 | — | — |
| Zinkia Entertainment | Spain | January 2, 2001 | — | — |
| Ziv Television Programs | United States | 1948 | — | — |
| Zodiak Jerzy Hoffman Film Production | Poland | 1980 | — | — |
| Zodiak Kids & Family Productions UK | United Kingdom | 1994 | — | — |
| Zodiak Media | — | 2008 | 2016 | — |
| Éclair-Journal | France | 1920 | — | — |
| Équipe Média | Western Sahara | 2009 | — | — |