Active Premier Baseball League of Ontario Inactive Central Ontario Baseball Association Inactive Inter-County Baseball Association Inactive London District Baseball Association Inactive South Simcoe Minor Baseball Association Inactive 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 Active District 8 Lower League