Suncor Energy Incorporated is an integrated energy company. Its perations include oil sands development and upgrading, conventional and offshore oil and gas production, petroleum refining, and product marketing under the Petro-Canada brand. It's renewable energy portfolio includes investments in four operating wind farms and the operation of an ethanol plant. International efforts include offshore developments in the North Sea, and conventional, land-based efforts in Libya, Syria, and Trinidad and Tobago. Suncor Energy was founded in 1917 and is headquartered in Calgary, Canada.