What are some stores I can purchase an infant car seat from in Canada?

If you buy a car seat to be used in Canada, it must be approved for Canadian Safety Standards.  The easiest way to achieve this is to buy from a vendor that sells car seats specifically for the Canadian market.  These include:

BRICKS AND MORTAR STORES - for those that like to go into a store and talk to someone and see a product

Ontario Wide (stores and online):
- Toys R Us
- Walmart (walmart.ca)
- Sears
- Canadian Tire

Guelph (physical store)
- Diaper Dayz

Toronto (physical stores and online)
- Dear Born Baby
- Canabee Baby

ONLINE:
Amazon.ca
Shop.ca
Costco.ca
Bestbuy.ca