The Big Six

Parent company: Fox television,founded by William Fox Divisions inside the company: Fox TV group, Filmed Entertainment,Fox Networks, Endemol Shine Group, Fox Sports, National Geographic Channels and Fox International
Owns: Blue Sky Studios, Fox Star Studios (India)20th Century Fox Home Entertainment, Fox, 20th Television, 20th Century Fox Television, 20th Century Fox Japan, Fox Studios Australia and TSG Entertainment 
20th Century Fox has 11.2% market share
Known for: X-men, Avatar, Star Wars, Fantastic Four and The Simpsons
Total gross: $956.6 mil

Parent Company- Sony, CEO: Michael Lynton.Owns: Consumer electronics, Semi conductors, Video games, Media/Entertainment, Computer hardware and Telecom equipment
Divisions inside the company: Sony Pictures Motion Picture Group, Sony Pictures Animation ,TriStar Pictures and Sony Pictures Image works. 
Total gross: $567.2mil
Columbia pictures has a market share of 6.6%   

Parent Company: Famous Players-Lasky Corporation then Independent then Gulf+Western then Paramount Communications inc and now Viacom.Divisions inside the company: Paramount Home Media Distribution, Insurge Pictures, Paramount Famous Productions, Paramount Vantage and Paramount Animation.
Owns:Madison square gardens properties, 50% steak in USA networks as well as being involved with TV, music publishing and home video.
Known for: Titanic, Shrek (including 2, 3 and 4), Forrest Gump, Iron Man and The Truman Show
Total gross: $563.4mil
Paramount pictures has a market share of 6.6%

Parent Company: NBC Universal, owned by National Broadcasting CompanyOwns:NBC News, NBC sports, NBC Universal TV and Cable.
Divisions inside the company: Universal animation studios, Focus features, Illumination entertainment, Working title films, Universal pictures home entertainment and United International Pictures
Known for:Jurassic Park/ World, Despicable me/2, Pitch Perfect/2, Jaws, Ted, Fifty Shades of Grey and E.T.: The Extra Terrestrial 
Total gross: $2,285.8mil
Universal Studios has a market share of 26.8%

Parent Company: Walt Disney Studios, owned by Walt Disney's companyOwns: Live action TV, film production and theme parks. 
Buena Vista (divisions of the company): Disney Pixar, Publishing (Marvel and Disney Music), Theatre (Aladdin the musical), Radio (Radio Disney and ESPN Radio Network) and websites such as Club Penguin
Known for: The Avengers, Frozen, Toy Story (1,2 and 3), Wreck-it-Ralph, Pirates of the Caribbean: Dead Man's Chest and Finding Nemo
Total Gross: $1,443.4mil
Walt Disney Pictures has a 16.9% market share.

Parent Company:Time Warner IncorporatedOwns: Warner Brothers Television Group, Warner Brother's digital distribution, Warner brothers interactive entertainment, DC entertainment and DC comics.
Divisions inside the company: HBO, Time Warner Corporate, Turner Broadcasting System and Warner Brother's entertainment.
Known for: American Sniper, Mad Max, The Hobbit, Game of Thrones and FRIENDS
Total Gross: $1,416.7mil
Warner Bros has a 16.3% market share.