Indoor Football League was created in 2008.
Indoor Professional Football League was created in 1998.
United Indoor Football League was created in 2010.
National Indoor Football League was created in 2001.
Continental Indoor Football League was created in 2006.
Southern Indoor Football League was created in 2008.
Eastern Indoor Football League was created in 2007.
World Indoor Football League was created in 1988.
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.
The Indoor League was created in 1973.