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Source: CNN Money. Exxon is the second largest company in the US as far as revenues go. However, its revenues have dropped by more than 7 percent from the previous year along with decreased oil production and increasing exploration expenditures.
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.