ExxonMobil Logo - Exxon Mobil Corporation or ExxonMobil, is an American multinational oil and gas corporation headquartered in Irving, Texas, United States. It is a direct descendant of John D. Rockefeller's Standard Oil company,and was formed on November 30, 1999, by the merger of Exxon and Mobil. It is affiliated with Imperial Oil which operates in Canada.
ExxonMobil is the world's largest company by revenue and one of the largest publicly traded companies by market capitalization in the world.The company is ranked globally in Forbes Global 2000 list in 2012.Exxon Mobil's reserves were 72 billion oil-equivalent barrels at the end of 2007 and, at then (2007) rates of production, are expected to last over 14 years.With 37 oil refineries in 21 countries constituting a combined daily refining capacity of 6.3 million barrels (1,000,000 m3), Exxon Mobil is the largest refiner in the world,a title that was also associated with Standard Oil since its incorporation in 1870.
Source:wikipedia