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The desert kingdom has around 16% of the worldâs proven oil reserves and is the biggest global exporter of petroleum liquids. There is little doubt as to why its national oil company, Saudi Aramco, the biggest energy company in the world, generates over $1 billion in revenue every single day.
The Biggest Oil Companies in the World are the Biggest Losers. Exxon, Chevron, and Royal Dutch Shell aren't taking advantage of the oil and gas boom in the United States. Meanwhile, smaller competitors like Hess Corp. are ramping up domestic production. Feb 8, 2014 at 1:02PM.