Major League Wrestling was created in 2002.
Eastern Wrestling League was created in 1976.
International Federation of Associated Wrestling Styles was created in 1912.
International League was created in 1885.
International Monarchist League was created in 1943.
International Soccer League was created in 1960.
International Basketball League was created in 2004.
Southwest International League was created in 1951.
International Automobile League was created in 1908.
International Fight League was created on 2006-01-07.
Workers International Vanguard League was created in 1996.
International Professional Hockey League was created in 1904.