In May/65, the province introduced legislation establishing colleges of applies arts & technology. By 67, 20 had been created.
On June 9-1967 the OCAA was founded by seven original institutions: Algonquin; Centennial; Fanshawe; George Brown; Mohawk; Northern-Kirkland Lake and St. Clair.
In the first season, 1967-68, seven colleges established basketball teams. Within six years, there were 27 members, including a CEGEP, Rouyn-Noranda, which later rejoined Quebec as College Nord-Ouest. Ten colleges joined the fold in 1968 and by 1971, there were 30.
Members: Algonquin (Nepean) Thunder; College Boreal (Sudbury) Viperes; Cambrian College (Sudbury) Golden Shield; Canadore College (North Bay) Panthers; CEGEP Rouyn-Noranda, later known as College Nord-Ouest; Centennial College (Scarborough) Colts; La Cite Collegiale (Ottawa) Les Coyotes; Conestoga College (Kitchener) Condors; Confederation College (Thunder Bay) Thunderhawks, formerly 67s; Durham College (Oshawa) Lords; Fanshawe College (London) Falcons; George Brown College (Toronto) Huskies; Georgian College (Barrie) Grizzlies; Humber College (Etobicoke) Hawks; Lambton College (Sarnia) Lions; Loyalist College (Belleville) Lancers; Mohawk College (Hamilton) Mountaineers; Niagara College (Welland) Knights; Nipissing University (North Bay) Lakers; Northern College (Halleyburg); Northern College (Kirkland Lake); Northern College (South Porcupine) Gold; Redeemer College (Ancaster) Royals; Rouyn-Noranda ( ); Royal Military College (Kingston) Paladins; St. Clair College (Windsor) Saints, formerly the Western Ontario Institute of Technology, which had played briefly in the OIAA; St. Lawrence College (Brockville) Schooners; St. Lawrence College (Cornwall) Sharks, formerly the Roadrunners; St. Lawrence College (Kingston) Vikings; Sault College (Sault Ste. Marie) Cougars; Seneca College of Applied Arts & Technology (North York) Sting, formerly the Braves and Scouts; Sheridan College (Oakville) Bruins; Sir Sandford Fleming College (Lindsay) Auks; Sir Sandford Fleming (Peterborough) Knights;