Exxon Mobil Corporation, doing business as ExxonMobil, is a US-based oil and gas multinational based in Irving, Texas. He is the largest direct descendant of John D. Rockefeller’s Standard Oil Company. It was formed on November 30, 1999 by the merger of Exxon (formerly Standard Oil Company of New Jersey) and Mobil (formerly Standard Oil Company of New York). . ExxonMobil’s core brands are Exxon, Mobil, Esso and ExxonMobil Chemical.
The 9th largest global group in terms of revenue, ExxonMobil from 1996 to 2017 has varied from the first to the sixth largest publicly traded company by market capitalization. The company was ranked ninth in the Forbes Global 2000 list in 2016. ExxonMobil was the second most profitable Fortune 500 company in 2014. In 2018, the company was ranked second in the Fortune 500 American companies. returned.
ExxonMobil is one of the largest oil companies in the world. In 2007, its daily production was 3.921 million BOE (barrels of oil equivalent); but much smaller than a number of national societies. In 2008, this represented about 3% of global production, which is lower than many of the largest state-owned oil companies. Ranked by oil and gas reserves, it ranks 14th in the world, with less than 1% of the total. ExxonMobil’s reserves amounted to 20 billion boe at the end of 2016 and 2007 production rates are expected to last more than 14 years.  With 37 oil refineries in 21 countries with a combined daily refining capacity of 6.3 million barrels (1,000,000 m3), ExxonMobil is the largest refiner in the world, a title also associated with Standard Oil since its constitution in 1870.
ExxonMobil has been criticized for its slow response to clean-up efforts following the 1989 Exxon Valdez oil spill in Alaska, widely regarded as one of the worst in the world in terms of environmental damage. ExxonMobil has long been a campaigner for climate change denial and the scientific consensus that global warming is caused by the burning of fossil fuels. The company has also been the target of accusations of human rights violations, influence on US foreign policy and its impact on the future of nations.