The Warriors played in the Ottawa-St. Lawrence Conference through the 1970-71 season, at which time the leagues operating in Ontario and Quebec were arranged along provincial lines. From 1971-72 onwards, the Warriors joined the Quebec Universities Athletic Association. Loyola also entered teams in the Montreal City Hockey League and the Junior Amateur Hockey Association, amongst others. In 1975 Loyola College merged with Sir George Williams University, to form Concordia University.