Indoor Professional Football League was created in 1998.
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.
National Indoor Football League was created in 2001.
United Indoor Football League was created in 2010.
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.
Professional Spring Football League was created in 1991.
Portuguese League for Professional Football was created in 1978.
Eastern League of Professional Football was created in 1926.
Women's Professional Football League was created in 1999.