Calgary-based Suncor Energy Inc. is a leading integrated energy company that operates in both Canada and abroad. The company is organized into three main segments: Oil Sands, Exploration and Production, and Refining and Marketing. Under the Oil Sands segment, Suncor explores, develops, and produces bitumen, synthetic crude oil, and related products, as well as engaging in syncrude oil sands mining and upgrading operations. This segment also takes care of marketing, supply, transportation, and risk management of crude oil, natural gas, power, and byproducts. The Exploration and Production segment targets offshore operations off the East Coast of Canada, while the Refining and Marketing business refines crude oil and petrochemical products, markets, transports, and manages refined and petrochemical products, and trades crude oil, natural gas, and power. Suncor Energy Inc. was founded in 1917 and was formerly known as Suncor Inc. before changing its name to Suncor Energy Inc. in April 1997. The company is headquartered in Calgary, Canada.