Suncor Energy Inc is a Canada-based integrated energy company. The Company is focused on developing Canada's petroleum resource basin, Athabasca oil sands. The Company operates in three business segments: Oil Sands, Exploration and Production (E&P), and Refining and Marketing. The Company's Oil Sands segment includes Oil Sands operations and Oil Sands ventures operations. Its E&P segment is responsible for upstream oil and gas activities. The Company's Refining and Marketing segment is engaged in Refining and Supply, and Marketing operations. It transports and refines crude oil, and markets petroleum and petrochemical products primarily in Canada. It markets third-party petroleum products. In addition, the Company also operates a renewable energy business and conduct energy trading activities focused principally on the marketing and trading of crude oil, natural gas, byproducts, refined products, and power.