Suncor Energy Inc., a Canadian integrated energy company, operates in segments including oil sands, exploration and production, and refining and marketing. It engages in oil sands development, offshore oil and gas extraction, and operates Petro-Canada's extensive retail network, which features over 1,800 locations and a commitment to low-carbon fuels. The company is also advancing towards a low-emission future through investments in renewable energy and owns the Fort Hills project in Alberta.