Suncor Energy Inc. operates as an integrated energy company. The company primarily focuses on developing petroleum resource basins in Canada's Athabasca oil sands; explores, acquires, develops, produces, and markets crude oil and natural gas in Canada and internationally; transports and refines crude oil; markets petroleum and petrochemical products primarily in Canada; and markets third party petroleum products. It operates in Oil Sands; Exploration and Production; Refining and Marketing; and Corporate, Energy Trading, and Eliminations segments. The Oil Sands segment recovers bitumen from mining and in situ development in northern Alberta, and upgrades it into refinery feedstock and diesel fuel. The Exploration and Production segment is involved in offshore operations in the North Sea; and operating onshore assets in North America, Libya, and Syria. The Refining and Marketing segment refines crude oil and intermediate feedstock into petroleum and petrochemical products; manufactures blends; and markets refined petroleum products to retail, commercial, and industrial customers through its dealers and other retail stations. The Corporate, Energy Trading, and Eliminations segment owns interest in seven wind power projects in Canada; and ethanol plant in Ontario, as well as engages in marketing and trading crude oil, natural gas, and byproducts. The company was formerly known as Suncor Inc. and changed its name to Suncor Energy Inc. in April 1997. Suncor Energy Inc. was founded in 1953 and is headquartered in Calgary, Canada.