Exxon Mobil is one of the world’s largest integrated oil companies.
Exxon Mobil engages in oil and gas exploration, production, supply, transportation, and marketing. In 2014 it had proved reserves of 25.2 billion barrels of oil equivalent, including major holdings in oil sands through Imperial Oil. Exxon Mobil’s 30 refineries in 17 countries have a throughput capacity of 5.2 million barrels per day and lubricant basestock manufacturing capacity of 131,000 barrels per day. It supplies refined products to more than 19,000 gas stations worldwide (including almost 10,000 in the US). Exxon Mobil is also a major petrochemical producer.