Fortune 500 rank: 4 (Previous rank: 4)
2006 Revenues (millions): $200,567
Headquarters: San Ramon, CA
Get quote: CVX
Chevron's merger with Unocal was finalized in 2006, helping to give the oil giant a banner year, with $17.1 billion in earnings. Chevron boosted its reserves by 950 million barrels, and results were also helped by new oil production in Angola. Revenues are up 6% over last year. Profits jumped 22%.
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