Suncor Energy Inc. operates as an integrated energy company in Canada and internationally. It operates through Oil Sands; Exploration and Production; and Refining and Marketing segments. The Oil Sands segment explores, develops, and produces bitumen, synthetic crude oil, and related products. This segment also engages in syncrude oil sands mining and upgrading operations; and marketing, supply, transportation, and risk management of crude oil, natural gas, power, and byproducts. The Exploration and Production segment is involved in offshore operations in the East Coast of Canada. The Refining and Marketing segment refines crude oil and petrochemical products; and markets, transports, and manages refined and petrochemical products, and other purchased products through the retail and wholesale networks. This segment also involved in trading of crude oil, natural gas, and power. 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 1917 and is headquartered in Calgary, Canada.