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20. Smith International
Smith International
Fortune 500 rank: 302
2007 revenue: $8.76 billion
2007 total shareholder return: 81.1%

Here we go again. International sales powered growth at yet another Houston-based energy company on this list. Smith makes the drill bits, pipes, and turbines that oil companies need to extract deep reserves off the coast of places like Brazil and West Africa and in the Mediterranean.

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Last updated April 24 2008: 10:54 AM ET
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