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The 20 Most Valuable Energy Companies In The World

Rob WileJan 30, 2013, 18:17 IST

ferdart via FlickrEnergy consulting firm PFC has released its annual ranking of the world's most valuable energy companies.

With oil and gas prices relatively flat from a year ago nearly every company's value either fell or flatlined.

Just two of the top-10 companies saw positive growth, and neither were in the U.S.

The combined market capitalization of the PFC Energy top 50 was $3.5 trillion, a slight 0.8% decline from 12 months previously.

We ranked the 20 biggest.