Fortune 500 rank: 2 (Previous rank: 1)
2006 Revenues (millions): $347,254
Headquarters: Irving, TX
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Though it's not No. 1 this year, the oil giant remains the most profitable company in the Fortune 500, with $39.5 billion in 2006 earnings, thanks to record crude oil prices in 2006. Revenues are up 2% over last year. Profits jumped 9%. The outfit is a leader in energy exploration, with projects in Africa, Russia and the Persian Gulf.
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