7 of 20
Rank: 6
Profits ($millions): $18,688
Change from 2006: 9%
Ticker: CVX

Chevron's profits rose 9% to $18.7 billion in 2007 after oil prices jumped to nearly $100 a barrel in the fourth quarter. In spite of bumper earnings last year, Chevron faces several challenges from falling oil production to difficulties in finding new resources.

But in forward looking plans, the company has invested in energy alternatives, including geothermal and biodiesel fuels, and signed contracts to develop oil fields in China.

NEXT: Petronas
Last updated July 09 2008: 8:24 AM ET
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