1970's
1980's
| 1980 |
Calvin, Olivet (8-2) |
| 1981 |
Calvin (8-1) |
| 1982 |
Calvin (9-1) |
| 1983 |
Calvin (9-1) |
| 1984 |
Calvin (10-0) |
| 1985 |
Alma (8-2) |
| 1986 |
Alma (10-0) |
| 1987 |
Calvin (9-1) |
| 1988 |
Calvin (10-2) |
| 1989 |
Calvin (11-1) |
1990's
| 1990* |
Adrian |
| 1991 |
Adrian |
| 1992 |
Hope |
| 1993 |
Adrian |
| 1994 |
Alma |
| 1995 |
Hope |
| 1996 |
Hope |
| 1997 |
Alma, Calvin |
| 1998 |
Alma |
| 1999 |
Alma |
2000's
| 2000 |
Alma |
| 2001 |
Alma |
| 2002 |
Alma |
| 2003 |
Alma |
| 2004 |
Alma |
| 2005 |
Alma |
| 2006 |
Hope |
| 2007 |
Alma, Tri-State |
| 2008 |
Tri-State |
| 2009 |
Trine |
2010's
| 2010 |
Alma |
| 2011 |
Alma |
| 2012 |
Trine |
| 2013 |
Trine |
| 2014 |
Trine |
| 2015 |
Trine |
| 2016 |
Alma, Trine |
| 2017 |
Alma, Hope |
| 2018 |
Saint Mary's |
* Beginning in 1990, champion is determined on basis of regular season standings and results of post-season tournament.
Tri-State became Trine after 2008 season
