House brand products are almost always made by one of the big guys. It can be tricky to figure out who though.
For Save On Foods Western Family, here are the ones I recall, I may be wrong now. Eggs are Golden Valley, same as all of the other eggs. As I recall: The tortilla chips are Old Dutch, the rest are Lays As I recall: Yogurt is Astro(made in Canada, parent company Lactalis, France). Cream cheese is made by Parmalat(Canadian made, company is Italian, parent company Lactalis)
Yup, Canada is freer and richer* than the US.
*Note that the common measure of "economic success" is GDP, which does not include public sector or exports. As a result the country with the smallest public sector per captia and the least amount of exports looks significantly better than it actually is.