| Valiant Comics | 1989 | — | 1 |
| Venus 99 | — | — | 1 |
| VH1 USA | 1985 | — | 1 |
| Viacom Productions | 1971 | June 15, 2004 | 1 |
| Victory Pictures Corporation | 1935 | — | 1 |
| VidAngel | 2013 | — | 1 |
| Video Exclusives | — | — | 1 |
| Vinegar Syndrome | 2012 | — | 1 |
| Vital Vision Productions, LLC | March 15, 1985 | — | 1 |
| Viz Media, LLC | July 2, 1986 | — | 1 |
| Voice of America | February 1942 | — | 1 |
| Voices of Vietnam | — | — | 1 |
| VR Cosplay X | — | — | 1 |
| Wallis-Hazen Productions | — | — | 1 |
| Walt Disney Studios | 1923 | — | 1 |
| Warner Bros. Discovery | April 8, 2022 | — | 1 |
| Warner Bros. First National | — | — | 1 |
| Warner Bros. International Television Production | — | — | 1 |
| Warner Bros. Records | 1958 | May 2019 | 1 |
| Warner Horizon Unscripted Television | 2006 | — | 1 |
| Warner Music Vision | 1991 | — | 1 |
| Washington | November 11, 1889 | — | 1 |
| Washington Square Films | — | — | 1 |
| Watch Tower Bible and Tract Society of Pennsylvania | 1884 | — | 1 |
| Waypoint Entertainment | 2010 | — | 1 |
| Ways & Means | 2012 | — | 1 |
| WBEZ | 1943 | — | 1 |
| Well Go USA Entertainment | April 11, 1994 | — | 1 |
| West Coast Productions | — | — | 1 |
| West Virginia Public Broadcasting | 1969 | — | 1 |
| White Mountain Films | — | — | 1 |
| Wildbrain Entertainment | 1994 | 2017 | 1 |
| WildStorm | 1992 | December 2010 | 1 |
| Wind Dancer Films | — | — | 1 |
| Winters/Lucas Productions | — | — | 1 |
| Woodard Productions | — | — | 1 |
| Words + Pictures | — | — | 1 |
| Works Progress Administration | May 6, 1935 | June 30, 1943 | 1 |
| World Championship Wrestling | October 11, 1988 | December 16, 2017 | 1 |
| World Video Bible School | — | — | 1 |
| WorldStarHipHop | 2005 | — | 1 |
| Worldwide Biggies | 2005 | — | 1 |
| Worldwide Pants | 1991 | — | 1 |
| WWE Home Video | April 16, 1997 | — | 1 |
| Xbox Game Studios | March 2000 | — | 1 |
| Zanuck Company | — | — | 1 |
| Zeitgeist Films | 1988 | — | 1 |
| Zeta Entertainment | — | — | 1 |
| Zhu Zhu Pets | 2009 | — | 1 |
| ZIV International | 1971 | — | 1 |
| Zoic Studios | 2002 | — | 1 |
| Zomba Group of Companies | 1981 | — | 1 |
| Zucker Brothers Productions | — | — | 1 |
| 20th Television | March 15, 1949 | — | — |
| 21st Century Fox | June 28, 2013 | March 20, 2019 | — |
| 3AD | — | — | — |
| 4Kids TV | September 14, 2002 | December 27, 2008 | — |
| ABC Family Worldwide | 1990 | — | — |
| Abominable Pictures | 2006 | — | — |
| Adness Entertainment | 2007 | — | — |
| Advent Film Group | 2007 | — | — |
| Afro-Centric Productions | 1998 | — | — |
| Allen Media Group | 1993 | — | — |
| Allied Artists International | 1979 | — | — |
| American Nurses Association | 1896 | — | — |
| American Sports Network | July 17, 2014 | — | — |
| Angels Broadcast Television | 1985 | — | — |
| Apollo Pictures | 1917 | — | — |
| Ashmont Productions | 1965 | 1976 | — |
| AT&T SportsNet Pittsburgh | 1986 | — | — |
| AT&T SportsNet Rocky Mountain | 1988 | — | — |
| Authentic Entertainment | 2000 | January 31, 2025 | — |
| Automat Pictures | 2000 | — | — |
| Bally Sports | March 31, 2021 | — | — |
| Bally Sports Midwest | 1989 | — | — |
| Bally Sports North | 1986 | — | — |
| Bally Sports Ohio | 1989 | — | — |
| Bally Sports Sun | 1988 | — | — |
| Bally Sports Wisconsin | 2007 | — | — |
| Banyan Productions | — | — | — |
| Bent Image Lab | 2002 | — | — |
| Big Ten Network | August 30, 2007 | — | — |
| Big Ticket Entertainment | 1994 | — | — |
| Billionfold Inc. | 2003 | — | — |
| Blair Entertainment | 1970 | 1992 | — |
| Bowers Comedy Corporation | 1926 | — | — |
| Calvin Company | 1931 | — | — |
| Camelot Entertainment Group | — | — | — |
| CBC Film Sales Corporation | June 19, 1918 | January 10, 1924 | — |
| CBS Media Ventures | September 26, 2006 | — | — |
| CBS Paramount Network Television | January 17, 2006 | 2009 | — |
| Combat Zone | 2006 | — | — |
| Comedy Central Films | 1995 | — | — |
| Corymore Productions | 1987 | — | — |
| Cowlip Productions | — | — | — |
| Culver Studios | 1918 | — | — |
| Curtis Enterprises | October 6, 1961 | — | — |
| Disney Television Studios | May 15, 2019 | — | — |
| Doozer | 2001 | — | — |
| Dorothy Parker Drank Here Productions | 1996 | — | — |