Active Premier Baseball League of Ontario Inactive Central Ontario Baseball Association Active Inter-County Baseball Association Inactive London District Baseball Association Active South Simcoe Minor Baseball Association Active Southern Counties Baseball Association Active Western Counties Baseball Association Active Western Ontario Baseball Association Inactive York Simcoe Baseball Association Inactive LDBA Houseleague Inactive SCBA Houseleague Inactive WCBA River League Inactive Southwestern Senior Baseball League

Inactive District 5 Little League Inactive District 8 Upper League