| Walden Media | Los Ángeles | 2000 | 36 |
 Wale Adenuga Production | Lagos | 1978 | — |
| Wallimage | — | — | 3 |
| Walt Disney Animation Japan | Bay Lake | 1997 | 1 |
 Walt Disney Animation Studios | Burbank | 16 de octubre de 1923 | 52 |
 Walt Disney Pictures | Burbank | 1923 | 386 |
 Walt Disney Studios | Burbank | 1923 | 1 |
| Walt Disney Studios Sony Pictures Releasing | Moscú | 2007 | 1 |
 Walter Lantz Productions | Universal City | 16 de noviembre de 1935 | 2 |
| Walter Wanger Production | — | — | 10 |
| Walton Studios | Walton-on-Thames | 1899 | 88 |
 Wanda Group | Pekín | 1988 | 2 |
| Wanda Visión | Pozuelo de Alarcón | — | 7 |
 Warner Bros. Animation | Sherman Oaks, Burbank | 1980 | 90 |
 Warner Bros. Cartoons | Burbank, Los Ángeles | 10 de noviembre de 1926 | 11 |
| Warner Bros. Clockwork | Burbank | 18 de diciembre de 2025 | — |
 Warner Bros. Discovery | Nueva York | 8 de abril de 2022 | 1 |
 Warner Bros. Domestic Television Distribution | Burbank | 10 de enero de 1972 | — |
 Warner Bros. Entertainment Italia | Roma | septiembre 2000 | 7 |
| Warner Bros. Family Entertainment | Burbank | 1992 | 12 |
| Warner Bros. France | Neuilly-sur-Seine | — | 1 |
 Warner Bros. International Television Production | — | — | 1 |
 Warner Bros. Japan | Nishi-Shinbashi | 29 de mayo de 1992 | 1 |
 Warner Bros. Pictures Animation | Burbank | 2013 | 2 |
 Warner Bros. Television Studios | Burbank | 21 de marzo de 1955 | 18 |
 Warner Bros. Television Studios UK | Londres | 1998 | — |
 Warner Bros.-Seven Arts | Burbank | 15 de julio de 1967 | 5 |
| Warner Horizon Unscripted Television | — | 2006 | 1 |
 Warner Independent Pictures | Burbank | agosto 2003 | 3 |
| Warner Music Vision | — | 1991 | 1 |
| Warner Premiere | Burbank | 2006 | 24 |
| Warp Films | Sheffield | 1999 | 10 |
| Warp X | Sheffield | 2005 | 4 |
 Warsaw Documentary Film Studio | — | 1950 | 24 |
| Warwick Films | Londres | 1951 | 23 |
| Warwick Trading Company | — | — | 1 |
 Washington | — | 11 de noviembre de 1889 | 1 |
 WATCH IT | El Cairo | 2019 | — |
 Wati B | París | 2000 | 1 |
 Wattpad | Toronto | noviembre 2006 | 4 |
| Wave Pictures | Copenhague | — | 1 |
| Way Creative | Malmö | 2003 | — |
| Wayangworks | — | 2011 | 1 |
| Ways & Means | — | 2012 | 1 |
 WBJ Media House | — | 2008 | 2 |
 Wega Film | Viena | 1980 | 14 |
| Wegelius Television | — | 1990 | — |
| Weibo Corporation | Pekín | 2010 | 1 |
| Weiko Saawa Film | — | 1992 | 1 |
 Wellenreiter.tv | Colonia | 1996 | — |
 Welsh Arts Council | Centro del Milenio de Gales | 1946 | 1 |
| Welwyn Studios | — | — | 7 |
| Wenhua Film Company | Shanghái | 1946 | 6 |
| Werc Werk Works | Minneapolis | 2008 | 4 |
| Werner Herzog Filmproduktion | — | — | 18 |
| West Siberian Film Studio | Novosibirsk | 13 de noviembre de 1930 | — |
 West Virginia Public Broadcasting | — | 1969 | 1 |
 Westinghouse Broadcasting | Nueva York | 2 de noviembre de 1920 | 2 |
| Weydemann Bros. | Berlín | — | 2 |
| WFE Production | — | — | 1 |
| WG Film | Malmö | 20 de julio de 1995 | — |
 WGBH | — | 1951 | — |
 WGBH-TV | Boston | 2 de mayo de 1955 | 2 |
| Wheel Productions | — | — | 1 |
| Whitaker Entertainment | — | — | 2 |
| White Eagle Enterprises | — | 1986 | — |
| White Mountain Films | — | — | 1 |
| Whitepoint Digital Oy | Helsinki | 22 de marzo de 2018 | 1 |
| Wholeman | Roppongi | octubre 1990 | — |
| Why Not Productions | Stroud | 1990 | 37 |
 Wiedemann & Berg Television | Múnich | 2010 | 5 |
 Wiener Kunstfilm | Viena | 1911 | 11 |
 Wild Bunch | París | 2002 | 51 |
| Wild West Picture Show Productions | Beverly Hills | 2005 | 9 |
 WildBrain | Halifax | 2006 | 1 |
 Wildbrain Entertainment | Nueva York, San Francisco, Los Ángeles | 1994 | 1 |
| Wilding Picture Productions | — | — | 2 |
 WildStorm | La Jolla | 1992 | 1 |
| Wilhelm Fraenger-Institut Berlin gGmbH | — | — | 1 |
| Will Packer Productions | Atlanta | — | 10 |
 Williams Street | Atlanta | — | 3 |
| Willis Kent Productions | — | — | 2 |
| Win's Entertainment | Hong Kong | 1990 | 11 |
| Win's Movie Productions | — | 1984 | 2 |
| Wind Dancer Films | Los Ángeles | — | 1 |
| WingNut Films | Wellington | 14 de febrero de 1987 | 15 |
| Winkler Production | — | — | 2 |
| Winters/Lucas Productions | — | — | 1 |
 Wit Studio | Musashino | junio 2012 | 4 |
| Wivefilm | — | 1932 | 3 |
 WNET | Newark | 15 de mayo de 1948 | 2 |
 Woestijnvis | Vilvoorde | 1997 | 3 |
| Wolf Entertainment | Universal Studios Lot | 1985 | 1 |
| Wolper Productions | — | — | 6 |
| Women Make Movies | Nueva York | 1972 | 2 |
| Woodard Productions | — | — | 1 |
| Woodline Films | — | — | 1 |
| Wood’s Office | Tsukiji, Shinbashi, Mita | abril 1983 | — |
 Words + Pictures | — | — | 1 |
| Working Class Hero | — | 2018 | 3 |
| Working Dog Productions | Melbourne | 1993 | 2 |
 World Championship Wrestling | Atlanta | 11 de octubre de 1988 | 1 |
 World of Wonder | Hollywood | 1991 | 5 |
| World Wide Motion Pictures Corporation | — | 1977 | — |
| WorldStarHipHop | — | 2005 | 1 |
| Worldvision Enterprises | Estados Unidos | 1962 | 3 |
| Worldwide Pants | Nueva York | 1991 | 1 |
 Wroclaw Feature Film Studio | Breslavia | 1954 | 4 |
| WTFN | — | — | 1 |
| Wunderbar Films | Chennai | — | 10 |
| WY Productions | — | 23 de julio de 2002 | 1 |
| Wytwórnia Filmów Oswiatowych | — | — | 6 |
 Wüste Film | Hamburgo | 1989 | 13 |
 Wētā FX | Wellington | 1993 | — |