Suncor Energy 

Suncor Energy Inc is an integrated energy company. The company's operations span the full energy value chain, including oil sands mining and in situ operations, upgrading, offshore production, petroleum refining in Canada and the U.S., marketing and trading, and nationwide PetroCanada retail and wholesale networks delivering reliable energy that fuels economic growth and meets the needs of customers across Canada and globally. It also conducts energy trading activities focused principally on the marketing and trading of crude oil, natural gas, byproducts, refined products, & power. The company's operating segments include Oil Sands, Exploration & Production, Refining & Marketing (R&M), & Corporate & eliminations. Geographically, the company generates a majority of its revenue from Canada.