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19. Cameron International
Cameron International
Fortune 500 rank: 490
2007 revenue: $4.67 billion
2007 total shareholder return: 81.5%

Cameron was a supplier to the stars. The Houston-based oil-equipment maker -- the second largest in the nation -- saw profits rise 58% in the year as multinational oil companies increasingly relied on Cameron to provide the valves and pumps needed for deep-water drilling in new regions, like the Arctic Ocean and near Brazil.

NEXT: Smith International

Last updated April 24 2008: 10:54 AM ET
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