Previously Canada has had and spun off: Nationalized petroleum company (PetroCanada), package delivery company (Purolator), freight rail network (CN), airline (Air Canada) and aircraft manufacturer (Canadair).
I feel the reason many people don't associate Canada with 'real' socialism is that I feel socialism in Canada is a pragmatic and not idealistic decision in many cases. It's a massive country and as a result it's not economical to provide many essential services. These services are pragmatically socialized, and once they become profitable to operate as businesses are spun off as was done with the aforementioned.
[1] https://en.wikipedia.org/wiki/Crown_corporations_of_Canada
[2] https://www.thestar.com/business/2018/08/09/ontario-power-ge...