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2. Republic Services
2. Republic Services
2010 Fortune 500 rank: 278
2009 profit growth: 570.7%
2009 revenue growth: 122.5%

CEO since 1998: Jim O'Connor

Waste disposal is ordinarily a grimy business. But when you boast big investors such as Bill Gates and Warren Buffett, the business begins to look downright glossy.

Republic's 2008 purchase of Allied Waste Systems also added a little sheen, helping boost revenues 122% last year, to $8.2 billion, and profits 571%, to $495 million.

NEXT: 3. Wells Fargo

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Last updated April 28 2010: 12:37 PM ET
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