Vidéotron was established in 1964, under the name "Télécâble Vidéotron Ltée" as northern Montreal's first cable television network. Their initial subscriber base was 66. André Chagnon served as the company's founding president.
From 1966 to 1969, the company expanded and upgraded their network to fill all of Quebec.
In 1969 the company offers the first pay-per-view service under the name Sélecto-TV.
In 1974, a bi-directional network was created in Saint-Jérôme, one of the first in the world at the time.
By 1980, Vidéotron acquired Câblevision Nationale to become the largest teledistributor in Quebec. Vid éotron acquired Télé-Métropole in 1986, the largest private French-language television company in North America.