SU

Suncor Energy Inc. (TSX:SU) is a Canadian integrated energy company founded in 1917 and headquartered in Calgary, Alberta. Originally established as a conventional oil company, Suncor has evolved into one of Canada's largest energy companies, primarily focused on developing and producing oil from Canada's Athabasca oil sands. The company operates as a fully integrated energy enterprise, extracting crude oil from oil sands, refining it into petroleum products, and marketing these products through its retail network. Suncor has grown through strategic acquisitions and technological innovations to become a major player in North America's energy sector, with operations spanning upstream production, downstream refining, and retail marketing.