Big Four

Big Four or Big 4 may refer to:

Companies

Big Four airlines (American Airlines, Eastern Air Lines, Trans World Airlines and United Airlines), the four U.S. air carriers which dominated air travel prior to the Airline Deregulation Act of 1978
Big Four accounting firms, the largest international accountancy and professional services firms
Big Four (British railway companies), the companies formed after the Grouping Act in 1922
Big Four (banking), several groupings of banks in different countries
Big Four (book publishing), largest international publishing companies
Big Four Railroad, a nickname of the Cleveland, Cincinnati, Chicago and St. Louis Railway (CCC&StL) in the Midwestern United States
Big Four, the four largest national registered agent service providers in the United States
Big Four in US broadcast television, the traditional Big Three television networks of ABC, CBS and NBC plus Fox
Big Four in the United States wireless communications service providers: AT&T Mobility, Verizon Wireless, Sprint Corporation and T-Mobile US
Japanese Big Four, the four largest Japanese motorcycle manufacturers: Honda, Kawasaki, Suzuki and Yamaha
Big Four, the most influential international technology companies: Amazon.com, Apple, Facebook and Google

The Big Four (World War I), the four major Allied powers and their leaders at the Paris Peace Conference in 1919: France, Italy, Britain and the United States
The Four Policemen or Big Four, a proposed post-World War II council expected to guarantee world peace (China, Soviet Union, the United Kingdom and the United States), that eventually became, with the addition of France, the five permanent members of the United Nations Security Council
Big Four (European Union): France, Germany, Italy and the UK
Big Four Conference, various conferences between the victorious nations after World War I and World War II

Big Four (band), a Chinese male pop group
Big Four (Eurovision), the four main sponsoring countries of the Eurovision Song Contest
Big Four (Grammy Awards) or the General Field, four standard Grammy Awards spanning all genres
The Big Four, the nickname for the music industry's major labels from 2004 through 2011
The Big Four (Grunge), used to describe, Nirvana, Pearl Jam, Soundgarden, and Alice in Chains, arguably the four most popular bands on the grunge scene in the early nineties
The Big Four (Thrash metal), used to describe Metallica, Slayer, Megadeth, and Anthrax, arguably the most popular and recognisable bands on the thrash metal scene in the eighties and early nineties.
The Big 4 Live from Sofia, Bulgaria concert recording with thrash metal bands Metallica, Slayer, Megadeth and Anthrax
The Big Teutonic Four, used to describe Kreator, Sodom, Destruction, and Tankard, the German equivalent to the American Big Four of thrash metal.

The Big Four (Calgary), Alberta businessmen and philanthropists of the early 20th century
Big Four (Central Pacific Railroad), US railroad entrepreneurs of the 19th century
Big Four (debutantes), prominent Chicago debutantes in the early 20th century
Big Four of Maryland Thoroughbred racing, four trainers who dominated the sport in the 1960s and 1970s
Big Four (Najaf), the four leading Grand Ayatollahs in Iraq
Big Four (Scotland Yard), in charge of the CID at Scotland Yard from about 1919 onwards

Big Four, West Virginia
Big Four Bridge, Louisville, Kentucky (so named because it once carried the Big Four Railroad across the Ohio River)
Big Four Mountain, Snohomish County, Washington

Big Four (tennis), top male tennis players Roger Federer, Rafael Nadal, Novak Djokovic and Andy Murray
Big Four (English football), Arsenal, Chelsea, Liverpool, and Manchester United's domination in the Premier League
Big Four (bowling), a type of split in ten pin bowling
Big Four (polo), an American polo team of the early 20th century
The Big Four, the four major marathon races among the five World Marathon Majors
Big Four, the four leading major professional sports leagues in the United States and Canada: NFL, MLB, NBA and NHL
Big Four, the four leading professional association football leagues in Europe, Premier League, La Liga, Bundesliga and Serie A
Big Four, a nickname for WWE's major pay-per-view events, SummerSlam, Survivor Series, Royal Rumble and WrestleMania
Big Four, officially the Interprovincial Rugby Football Union, the forerunner to the Canadian Football League East Division
Big Four, an informal association of college athletic programs in Western New York; Buffalo Bulls, Canisius Golden Griffins, Niagara Purple Eagles and St. Bonaventure Bonnies.

The Big Four (novel), by Agatha Christie
Big Four (Indian snakes), four snake species responsible for the most snake-bites in India
Big Four (White Star Line), a quartet of British ocean liners of the early 20th century
Big 4 (lottery), an online game in the Pennsylvania Lottery
Norton Big 4, a British motorcycle produced between 1907 and 1954
Big Four (Motorcycle gang), four motorcycle clubs designated by police as outlaw gangs and liable for RICO prosecution
Big 4 (sculpture), outside the Channel 4 headquarters in London
The largest four known asteroids until 1910, when 704 Interamnia was discovered – 1 Ceres, 2 Pallas, 4 Vesta, and 10 Hygiea
The Big Four international beauty pageants for women: Miss Earth, Miss International, Miss Universe and Miss World