Imperial Oil Limited operates in the exploration, production, and sale of crude oil and natural gas in Canada. The company functions under three segments: Upstream, Downstream, and Chemical, catering to upstream exploration, transportation and refining of crude oil, and chemical production. Imperial Oil Limited also has a strategic agreement with E3 Metals Corp. to advance a lithium-extraction pilot in Alberta and is headquartered in Calgary, Canada as a subsidiary of Exxon Mobil Corporation.