Imperial Oil Limited is an integrated oil company. The Company is engaged in all the phases of the petroleum industry in Canada, including exploration for, and production and sale of, crude oil and natural gas. Its operations are conducted in three segments: Upstream, Downstream and Chemical. Upstream operations include the exploration for, and production of, crude oil, natural gas, synthetic oil and bitumen. Downstream operations consist of the transportation and refining of crude oil, blending of refined products and the distribution and marketing of those products. Chemical operations consist of the manufacturing and marketing of various petrochemicals. The Company owns and operates approximately three refineries, which process predominantly Canadian crude oil. The Company markets petroleum products throughout Canada under its brand names, including Esso and Mobil, to all types of customers.