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11. Monsanto
Monsanto
Fortune 500 rank: 305
2007 revenue: $8.61 billion
2007 total shareholder return: 114.4%

The company, which makes Roundup weed killer and other retail products, as well as seeds, is another beneficiary of the ethanol boom. Monsanto saw corn seed sales improve 57% over 2006 -- Bank of America estimates that the St. Louis company provided more than 30% of the seeds for the 2007 U.S. corn crop.

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Last updated April 24 2008: 10:54 AM ET
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