The Indoor League was created in 1973.
Eastern Indoor Football League was created in 2007.
Indoor Professional Football League was created in 1998.
United Indoor Football League was created in 2010.
National Indoor Football League was created in 2001.
World Indoor Soccer League was created in 1998.
American Indoor Soccer League was created in 2002.
Eastern Indoor Soccer League was created in 1997.
Continental Indoor Soccer League was created in 1993.
Continental Indoor Football League was created in 2006.
World Indoor Football League was created in 1988.
Canadian Major Indoor Soccer League was created in 2007.
Indoor Professional Football League ended in 2001.