Champions
| Year | Champion | Runner Up | Year | Champion | Runner Up |
| 1978-79 | New York Arrows | Philadelphia Fever | |||
| 1979-80 | New York Arrows | Houston Summit | 1979-80 | Tampa Bay Rowdies | Memphis Rogues |
| 1980-81 | New York Arrows | St. Louis Steamers | 1980-81 | Edmonton Drillers | Chicago Sting |
| 1981-82 | New York Arrows | St. Louis Steamers | 1981-82 | San Diego Sockers | Tampa Bay Rowdies |
| 1982-83 | San Diego Sockers | Baltimore Blast | No Season | ||
| 1983-84 | Baltimore Blast | St. Louis Steamers | 1983-84 | San Diego Sockers | New York Cosmos |
| 1984-85 | San Diego Sockers | Baltimore Blast | 1984-85 | Canton Invaders | Louisville Thunder |
| 1985-86 | San Diego Sockers | Minnesota Strikers | 1985-86 | Canton Invaders | Louisville Thunder |
| 1986-87 | Dallas Sidekicks | Tacoma Stars | 1986-87 | Louisville Thunder | Canton Invaders |
| 1987-88 | San Diego Sockers | Cleveland Force | 1987-88 | Canton Invaders | Ft. Wayne Flames |
| 1988-89 | San Diego Sockers | Baltimore Blast | 1988-89 | Canton Invaders | Chicago Power |
| 1989-90 | San Diego Sockers | Baltimore Blast | 1989-90 | Canton Invaders | Dayton Dynamo |
| 1990-91 | San Diego Sockers | Cleveland Crunch | 1990-91 | Chicago Power | Dayton Dynamo |
| 1991-92 | San Diego Sockers | Dallas Sidekicks | 1991-92 | Detroit Rockers | Canton Invaders |
| 1992-93 | Kansas City Attack | Cleveland Crunch | |||
| 1993 | Dallas Sidekicks | San Diego Sockers | 1993-94 | Cleveland Crunch | St. Louis Ambush |
| 1994 | Las Vegas Dustdevils | Dallas Sidekicks | 1994-95 | St. Louis Ambush | Harrisburg Heat |
| 1995 | Monterrey La Raza | Sacramento Knights | 1995-96 | Cleveland Crunch | Kansas City Attack |
| 1996 | Monterrey La Raza | Houston Hotshots | 1996-97 | Kansas City Attack | Cleveland Crunch |
| 1997 | Seattle SeaDogs | Houston Hotshots | 1997-98 | Milwaukee Wave | St. Louis Ambush |
| 1998 | Dallas Sidekicks | Sacramento Knights | 1998-99 | Cleveland Crunch | St. Louis Ambush |
| 1999 | Sacramento Knights | Dallas Sidekicks | 1999-00 | Milwaukee Wave | Cleveland Crunch |
| 2000 | Monterrey La Raza | Dallas Sidekicks | 2000-01 | Milwaukee Wave | Philadelphia Kixx |
| 2001 | Dallas Sidekicks | San Diego Sockers | 2001-02 | Philadelphia Kixx | Milwaukee Wave |
| 2002-03 | Baltimore Blast | Milwaukee Wave | |||
| 2003-04 | Baltimore Blast | Milwaukee Wave | |||
| 2004-05 | Milwaukee Wave | Cleveland Force | |||
| 2005-06 | Baltimore Blast | St. Louis Steamers | |||
| 2006-07 | Philadelphia Kixx | Detroit Ignition | |||
| 2007-08 | Baltimore Blast | Monterrey La Raza | |||
| 2008-09 | Detroit Ignition | New Jersey Ironmen | |||
| 2008-09 | Stockton Cougars | 1790 Cincinnati | 2008-09 | Baltimore Blast | Rockford Rampage |
| 2009-10 | San Diego Sockers | La Raza de Guadalajara | 2009-10 | Monterrey La Raza | Milwaukee Wave |
| 2010-11 | San Diego Sockers | La Raza de Guadalajara | 2010-11 | Milwaukee Wave | Baltimore Blast |
| 2011-12 | San Diego Sockers | Detroit Waza Flo | 2011-12 | Milwaukee Wave | Baltimore Blast |
| 2012-13 | San Diego Sockers | Detroit Waza Flo | 2012-13 | Baltimore Blast | Missouri Comets |
| 2013-14 | Chicago Mustangs | Hidalgo La Fiera | 2013-14 | Missouri Comets | Baltimore Blast |
| 2014-15 | Monterrey Flash | Baltimore Blast | |||
| 2015-16 | Baltimore Blast | Sonora Soles | |||
| 2016-17 | Baltimore Blast | Sonora Soles | |||
| 2017-18 | Baltimore Blast | Monterrey Flash | |||
| 2018-19 | Milwaukee Wave | Monterrey Flash | |||
| 2019-20 | No Champion - COVID-19 | ||||
| 2020-21 | San Diego Sockers | Ontario Fury | |||
| 2021-22 | San Diego Sockers | Florida Tropics | |||
| 2022-23 | Chihuahua Savage | Baltimore Blast | |||
| 2023-24 | Chihuahua Savage | Kansas City Comets | |||
| 2024-25 | Chihuahua Savage | San Diego Sockers | |||
| 2025-26 | San Diego Sockers | Milwaukee Wave |
| Major Indoor Soccer League 1978-1992 | |
| North American Soccer League 1979-1984 | |
| American Indoor Soccer Association 1984-1990 | |
| National Professional Soccer League 1990-2001 | |
| Continental Indoor Soccer League 1993-1997 | |
| Premier Soccer Alliance 1998 | |
| World Indoor Soccer League 1999-2001 | |
| Major Indoor Soccer League 2001-2008 | |
| Xtreme Soccer League 2008-09 | |
| National Indoor Soccer League 2008-09 | |
| Major Indoor Soccer League 2009-2014 | |
| Professional Arena Soccer League 2008-2014 | |
| Major Arena Soccer League 2014-current |