19??-1996 (Provigo era)
Up to the 90s, Provi-Soir was the convenience store division of grocery stores company Provigo. It was then acquired in the mid-90s by Alimentation Couche-Tard with most stores changing their branding to Couche-Tard. The brand virtually disappeared until 2015.
2015-present (Couche-Tard era)
The brand was revived in the 2010s as a rebranding of the smaller Couche-Tard franchise stores.