| Teton Gravity Research | Jackson | 1996 | — |
| The Film Society | London | 1925 | — |
| The Fu King Production | Hamburg | 2009 | — |
| The Jerusalem Film & Television Fund | Hansen House | June 22, 2008 | — |
| Third Productions | — | 2009 | — |
| Tigerlily Films | London | — | — |
| TIS Productions | — | 1996 | — |
| Toei TV Production | Tokyo | November 2, 1959 | — |
| Tohan Kikaku | Yaraichō | August 1975 | — |
| Tout sur l'écran | Paris | September 1998 | — |
| Tresor TV | Munich | 1992 | — |
| Triangle Films | Los Angeles, Van Nuys | 2006 | — |
| Tribune Entertainment | Chicago | 1980 | — |
| True North Productions | Leeds | 2002 | — |
| Trump Productions | Los Angeles | 2004 | — |
| TUARON | Riga | June 22, 2004 | — |
| Tugev Tuul Film | — | 2012 | — |
| TV60Filmproduktion | Munich | 1960 | — |
| Tvk communications | Ota-machi, Nishi-Hiranumachō | May 28, 1974 | — |
| TVO Media Education Group | Toronto | June 1970 | — |
| Télé Images Productions | Neuilly-sur-Seine | 1983 | — |
| Télécip | Le Perray-en-Yvelines | 1963 | — |
| Tööt-Filmi | — | 1979 | — |
| Tükenmezkalem Film | Istanbul | — | — |
| UBURU | Jingūmae | September 17, 2009 | — |
| Unicorn Content | Madrid | June 27, 2017 | — |
| Universal Content Productions | Universal City | June 2008 | — |
| Universal Newsreel | — | — | — |
| Unusuality Productions | London | 2005 | — |
| Upside Down Pictures | — | 2022 | — |
| Urania-Film | — | 1930 | — |
| Uranzu Films | Irun | 1964 | — |
| Vera-Filmwerke | Hamburg | — | — |
| VipVision | Helsinki | February 23, 1987 | — |
| Wale Adenuga Production | Lagos | 1978 | — |
| Warner Bros. Clockwork | Burbank | December 18, 2025 | — |
| Warner Bros. Domestic Television Distribution | Burbank | January 10, 1972 | — |
| Warner Bros. Television Studios UK | London | 1998 | — |
| WATCH IT | Cairo | 2019 | — |
| Way Creative | Malmö | 2003 | — |
| Wegelius Television | — | 1990 | — |
| Wellenreiter.tv | Cologne | 1996 | — |
| WGBH | — | 1951 | — |
| White Eagle Enterprises | — | 1986 | — |
| Wholeman | Roppongi | October 1990 | — |
| Will Media | Berlin | — | — |
| Witt/Thomas Productions | — | 1973 | — |
| Woodpecker Film | Helsinki | July 2004 | — |