LEAGUE CHAMPIONS| 1929 Moncton Catholic Club | 1930 Moncton Catholic Club | 1931 St. Stephen Mohawks | 1932 St. Stephen Kiwan's |
| 1933 St. Stephen Kiwan's | 1934 St. Stephen Kiwan's | 1935 St. Stephen Mill Kiwan's | 1936 St. Stephen St.Croix |
| 1937 St. Stephen St.Croix | 1938 St. Stephen St.Croix | 1939 St. Stephen St.Croix | 1940 Devon Tigers |
| 1941 Devon Tigers | 1942 Saint John Ironmen | 1943 Saint John Dockman | 1944 Saint John St. Peters |
| 1945 Saint John St. Peters | 1946 Saint John St. Peters | 1947 Marysville Royals | 1948 Marysville Royals |
| 1949 Fredericton Capitals | 1950 Moncton Legionnaires | 1951 Moncton Legionnaires | 1952 Woodstock Lions |
| 1953 Woodstock Lions | 1954 Dalhousie Dodgers | 1955 Marysville Royals | 1956 Woodstock Elks |
| 1957 Saint John St. Peters | 1958 Woodstock Elks | 1959 Woodstock Elks | 1960 Moncton Cubs |
| 1961 Saint John St. Peters | 1962 Memramcook Rovers | 1963 Saint John St. Peters | 1964 St. Stephen St. Croix |
| 1965 Moncton Schooners | 1966 Moncton Schooners | 1967 Chatham Ironmen | 1968 Chatham Ironmen |
| 1969 Milltown Legionnaires | 1970 Edmundston Republicans | 1971 Edmundston Republicans | 1972 Fredericton Vikings |
| 1973 Marysville | 1974 Chatham Ironmen | 1975 Chatham Ironmen | 1976 Chatham Ironmen |
| 1977 Fredericton Granadas | 1978 Chatham Ironmen | 1979 Woodstock Shiretowners | 1980 Marysville Royals |
| 1981 Chatham Ironmen | 1982 Saint John Dodgers | 1983 Marysville Royals | 1984 Marysville Royals |
| 1985 Moncton Mets | 1986 Moncton Mets* | 1987 Moncton Mets* | 1989 Moncton Mets |
| 1990 Fredericton Schooners | 1991 Moncton Mets | 1992 Newcastle Cardinals | 1993 Saint John Alpines |
| 1994 Saint John Alpines | 1995 Fredericton Royals | 1996 Saint John Alpines | 1997 Fredericton Royals |
| 1998 Chatham Ironmen | 1998 Moncton Mets* | 1999 Fredericton Royals | 2000 Saint John Alpines |
| 2001 Saint John Alpines | 2002 Fredericton Royals | 2003 Fredericton Royals | 2004 Chatham Ironmen |
| 2005 Moncton Mets | 2006 Fredericton Royals | 2007 Fredericton Royals | 2008 Fredericton Royals |
| 2009 Fredericton Royals | 2010 Fredericton Royals | 2011 Chatham Ironmen | 2012 Fredericton Royals |
| 2013 Chatham Ironmen | 2014 Fredericton Royals | 2015 Charlottetown Islanders | 2016 Fredericton Royals |
| 2017 Moncton Fisher Cats |