Exxon is an integrated oil and gas company that explores for, produces, and refines oil around the world. In 2008, it produced 2.4 million barrels of oil and 9.1 million cubic feet of natural gas a day. At year-end, reserves stood at 12.8 billion barrels of oil equivalent (plus 8.3 billion for equity companies), 59% of which are oil. The company is the world's largest refiner with 36 refineries, and it is one of the world's largest manufacturers of commodity and specialty chemicals.
