Cenovus Energy is the third-largest oil sands company in Canada by known reserves,1 holding major assets in conventional and unconventional oil in Alberta, as well as natural gas in Alberta and British Columbia (BC).

Encana Corporation is a natural gas, oil and natural gas liquids producer operating in Canada and the United States.

The first corporation to develop Canada’s oil sands in the 1960s, Suncor Energy continues to hold a dominant position as Canada’s largest energy company, and the world’s largest bitumen producer. Based in Calgary, Alberta, Suncor has operations that span the oil and gas commodity chain, specializing in conventional and in situ oil sands production in the Athabasca region.