Continental Indoor Football League was created in 2006.
Eastern Indoor Football League was created in 2007.
Continental Indoor Soccer League was created in 1993.
Indoor Professional Football League was created in 1998.
National Indoor Football League was created in 2001.
United Indoor Football League was created in 2010.
World Indoor Football League was created in 1988.
Continental Football League was created in 1965.
Continental Indoor Soccer League ended in 1997.
Indoor Professional Football League ended in 2001.
Indoor Professional Football League's motto is 'Great Football, No Gimmicks.'.
National Indoor Football League ended in 2008.
World Indoor Football League ended in 1988.