1970's

1972 Calvin
1973 Calvin
1974 Calvin
1975 Hope
1976 Calvin
1977 Calvin
1978 Adrian (6-0)
1979 Adrian (11-1)

1980's

1980 Adrian (12-0)
1981 Adrian (11-1)
1982 Alma, Calvin (10-2)
1983 Alma, Calvin (11-1)
1984 Alma (11-1)
1985 Calvin (12-0)
1986 Calvin (12-0)
1987 Hope (12-0)
1988 Calvin (11-1)
1989 Calvin (12-0)

1990's

1990 Kalamazoo (11-1)
1991 Kalamazoo (12-0)
1992 Calvin (12-0)
1993 Calvin, Kalamazoo (10-2)
1994 Kalamazoo (11-1)
1995 Kalamazoo (12-0)
1996 Hope (11-1)
1997 Hope (12-0)
1998 Hope (15-1)
1999 Calvin (8-0)

2000's

2000 Hope (13-1)
2001 Alma, Hope (11-3)
2002 Alma (13-1)
2003 Alma (13-1)
2004 Alma (16-0)
2005 Hope (16-0)
2006 Calvin (16-0)
2007 Calvin (15-1)
2008 Hope (15-1)
2009 Hope (16-0)

2010's

2010 Calvin, Hope (15-1)
2011 Calvin (16-0)
2012 Calvin (16-0) 
2013 Calvin, Hope (15-1)
2014 Calvin, Hope (15-1)
2015 Calvin (16-0)
2016 Calvin (16-0)
2017 Calvin (16-0)

Champions from 1972 thru 1977 were in WMIAA competition