OCA is a non-profit co-operative that was originally formed in 1989 as CCA Ontario Region, and officially incorporated in 2002. They are one of nine provincial associations that serve English-speaking co-operatives and co-op member organizations across Canada, that are linked through a national committee, the Council of Regional Executives (CORE).

Our Mandate is to be: The voice of co-operatives in Ontario, which we accomplish through both our government relations and public relations work. The promoter of the co-operative principles, which we accomplish through our member engagement, communications and co-operative education programs.