Big Four or Big 4 may refer to:

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Groups of companies

  • Big Four accounting firms globally: Deloitte, EY, KPMG, PwC
  • Big Four (airlines) in the U.S. in the 20th century: American, Eastern, TWA, United
  • Big Four (banking), several groupings of banks in different countries
  • Big Four (British railway companies) in the period 1923–1947: GWR, LMS, LNER, SR
  • Big Four Railroad, a nickname of the Cleveland, Cincinnati, Chicago and St. Louis Railway in the U.S.
  • The "Big Four" Big Tech companies: Apple, Amazon, Alphabet, Meta Platforms
  • Big Four television networks in the U.S.: ABC, CBS, DuMont/FOX, NBC
  • Big Four radio networks in the U.S.: NBC Red, NBC Blue, CBS, & Mutual
  • The "Big Four" largest UK ITV companies 1955–1968:
  • Japanese Big Four motorcycle manufacturers: Honda, Kawasaki, Suzuki, Yamaha
  • Big Four (record labels), major record labels (Universal, Sony, Warner, & BMG)
  • Big Four state-owned car manufacturers in China: SAIC Motor, FAW Group, Changan Automobile, Dongfeng Motor Corporation.

Groups of people

  • Big Four (Central Pacific Railroad), 19th century American railroad entrepreneurs
  • Big Four (debutantes), in the Chicago social scene during World War I
  • Big Four (Najaf), leading Grand Ayatollahs of Twelver Shia Islam
  • The Four Companions, the most loyal companions of Muhammad and Ali
  • Big Four of Maryland Thoroughbred racing, horse trainers in the 1960s–1970s
  • The Big Four (Calgary), Alberta cattlemen of the early 20th century

Groups in sport

  • Big Four (Canadian football), a forerunner competition to the Canadian Football League East Division
  • Big Four (English football) in the 2000s: Arsenal, Chelsea, Liverpool, Manchester United
  • Big Four (Mexico), a group of the top four football clubs in Mexico: Club América, Chivas, Cruz Azul and Pumas
  • Big Four (cycling) in the 2020s: Pogačar, Vingegaard, Roglič, and Evenepoel
  • Big Four (polo), an American polo team of the early 20th century
  • Big Four (tennis), from 2008 to 2017: Federer, Nadal, Djokovic, Murray
  • Big Four, the leading major professional sports leagues in the United States and Canada: MLB, NBA, NFL, NHL
  • Big-4 League, a senior ice hockey league in Canada between 1919 and 1921
  • Big four (boxing), the four major sanctioning organizations: IBF, WBA, WBC, WBO

Other groups

  • Big Four (Western Europe): France, Germany, Italy, and the United Kingdom
  • Big Four Conference, various conferences between the victorious nations after World War I and World War II
  • Big Four (World War I), the four major Allied powers: United States, United Kingdom, France, Italy
  • Big Four (World War II), or Four Policemen: United States, United Kingdom, China, Soviet Union
  • Big Four outlaw motorcycle clubs: Hells Angels, Pagans, Outlaws, Bandidos
  • Big Four international beauty pageants: Miss Earth, Miss International, Miss Universe, and Miss World
  • Big Four (universities), the top four universities in the Philippines

Arts, entertainment and media

  • Big Four (band), a Hong Kong music group
  • Big Four (Eurovision), the four main sponsoring countries before 2011
  • Big Four (Grammy Awards) or the General Field, four standard awards
  • The Big Four (fashion), the 4 most notable Vogue covers: American Vogue, British Vogue, Vogue France and Vogue Italia
  • The Big Four: Live from Sofia, Bulgaria a 2010 concert recording
  • The Big Four fashion weeks: New York City, London, Milan and Paris
  • Big Four, a key rhythmic innovation on the marching band beat, invented by Buddy Bolden
  • Big 4 (sculpture), outside the Channel 4 headquarters in London
  • The Big Four (novel), by Agatha Christie, 1927
  • The Big 4, a 2022 Indonesian movie
  • The Big Four bands of thrash metal: Metallica, Megadeth, Slayer and Anthrax

Places

  • Big Four, West Virginia, U.S.
  • Big Four Bridge, connecting Louisville, Kentucky, and Jeffersonville, Indiana, U.S.
  • Big Four Mountain, Washington, U.S.

Other uses

  • Big 4 (lottery), a game in the Pennsylvania Lottery
  • Big Four (Indian snakes), four snake species responsible for the most snake-bites in India
  • Big Four (White Star Line), four British ocean liners of the early 20th century
  • Norton Big 4, a British motorcycle 1907–1954

See also

  • Big One (disambiguation)
  • Big Two (disambiguation)
  • Big Three (disambiguation)
  • Big Five (disambiguation)
  • Big Six (disambiguation)
  • Big Seven (disambiguation)
  • Big Eight (disambiguation)
  • Big Ten (disambiguation)
  • Big 12 (disambiguation)
  • Core Four
  • Fab Four
  • Quadruple Alliance (disambiguation)