Agency

Imperial Oil Limited (French: Compagnie Pétrolière Impériale Ltée) is a Canadian petroleum company. It is Canada's second-biggest integrated oil company. Exxon Mobil Corp. has a 69.6 percent ownership stake in the company. It is a significant producer of crude oil, diluted bitumen and natural gas, Canada’s major petroleum refiner, a key petrochemical producer and a national marketer with coast-to-coast supply and retail networks. Its retail operations include Esso-brand service stations and On the Run/Marché Express and Tiger Express-brand convenience stores.

It is also known for its holdings in the Alberta Oil Sands. Imperial owns 25 percent of Syncrude, which is one of the world’s largest oil sands operations. Imperial is also in a joint venture oil sands mining operation with ExxonMobil Corp., called Kearl Oil Sands.

Imperial Oil is headquartered in Calgary, Alberta. It was based in Toronto, Ontario, until 2005. Most of Imperial's production is from its vast natural resource holdings in the Alberta oil sands[9] and the Norman Wells oil field in the Northwest Territories.