Indoor Professional Football League was created in 1998.
Professional Indoor Football League was created in 1997.
Indoor Professional Football League ended in 2001.
Indoor Professional Football League's motto is 'Great Football, No Gimmicks.'.
Eastern Indoor Football League was created in 2007.
United Indoor Football League was created in 2010.
National Indoor Football League was created in 2001.
Continental Indoor Football League was created in 2006.
World Indoor Football League was created in 1988.
One Wyoming Cavalry is a professional indoor football team of the Indoor Football League and is based in Casper, Wyoming.Another Wyoming football team, the Cheyenne Warriors, is a professional indoor football team which is currently a member of the Indoor Football League and is based in Cheyenne, Wyoming.
Hawaii Professional Football League was created in 2010.
Professional Spring Football League was created in 1991.
Eastern League of Professional Football was created in 1926.
American Professional Football League was created in 2003.