Kingston Frontenacs
Oshawa Generals
Ottawa 67's
Peterborough Petes
Guelph Storm
Kitchener Rangers
London Knights
Owen Sound Attack
Brampton Battalion
Niagara IceDogs
Mississauga St. Michael's Majors
Sudbury Wolves
Saginaw Spirit
Sarnia Sting
Sault Ste. Marie Greyhounds
Windsor Spitfires
2005-06: Peterborough Petes
2004-05: London Knights
2003-04: Guelph Storm
2002-03: Kitchener Rangers
2001-02: Erie Otters
2000-01: Ottawa 67's
1999-00: Barrie Colts
1998-99: Belleville Bulls
1997-98: Guelph Storm
1996-97: Oshawa Generals
1995-96: Peterborough Petes
1994-95: Detroit Junior Red Wings
1993-94: North Bay Centennials
1992-93: Peterborough Petes
1991-92: Sault Ste. Marie Greyhounds
1990-91: Sault Ste. Marie Greyhounds
1989-90: Oshawa Generals
1988-89: Peterborough Petes
1987-88: Windsor Spitfires
1986-87: Oshawa Generals
1985-86: Guelph Platers
1984-85: Sault Ste. Marie Greyhounds
1983-84: Ottawa 67's
1982-83: Oshawa Generals
1981-82: Kitchener Rangers
1980-81: Kitchener Rangers
1979-80: Peterborough Petes
1978-79: Peterborough Petes
1977-78: Peterborough Petes
1976-77: Ottawa 67's
1975-76: Hamilton Fincups
1974-75: Toronto Marlboros
1973-74: St Catharines Black Hawks
1972-73: Toronto Marlboros
1971-72: Peterborough Petes
1970-71: St. Catharines Black Hawks
1969-70: Montreal Junior Canadiens
1968-69: Montreal Junior Canadiens
1967-68: Niagara Falls Flyers
1966-67: Toronto Marlboros
1965-66: Oshawa Generals
1964-65: Niagara Falls Flyers
1963-64: Toronto Marlboros
1962-63: Niagara Falls Flyers
1961-62: Hamilton Red Wings
1960-61: St. Michael's Majors
1959-60: St. Catharines Tee Pees
1958-59: Peterborough TPT Petes
1957-58: Toronto Marlboros
1956-57: Guelph Biltmore Mad Hatters
1955-56: Toronto Marlboros
1954-55: Toronto Marlboros
1953-54: St Catharines Tee Pees
1952-53: Barrie Flyers
1951-52: Guelph Biltmore Mad Hatters
1950-51: Barrie Flyers
1949-50: Guelph Biltmore Mad Hatters
1948-49: Barrie Flyers
1947-48: Barrie Flyers
1946-47: St. Michael's Majors
1945-46: St. Michael's Majors
1944-45: St. Michael's Majors
1943-44: Oshawa Generals
1942-43: Oshawa Generals
1941-42: Oshawa Generals
1940-41: Oshawa Generals
1939-40: Oshawa Generals
1938-39: Oshawa Generals
1937-38: Oshawa Generals
1936-37: St. Michael's Majors
1935-36: West Toronto Nationals
1934-35: Kitchener Greenshirts
1933-34: St. Michael's Majors