Suncor Energy Inc. () is a Canadian integrated energy company, based in Calgary, Alberta. It has specialized on production of synthetic crude from oil sands. Suncor ranks number 254 on the Forbes Global 2000 list. Suncor markets products and services to retail customers in Ontario through a network of more than 280 Sunoco-branded retail sites, as well as more than 200 customer-operated retail and diesel sites. In addition, it sells oil products under Petro-Canada brand. Suncor also markets thro… (More on Suncor)