America's 10 Fastest Growing Private Companies

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Since the economy scraped bottom three years ago, consumers were pulling back, businesses large and small were hunkering down, but these scrappy enterprises were kicking into gear. The Inc. 5000 have grown from $196 billion in sales in 2008 to $299 billion in 2011, an average growth rate of 355%. Which are the scrappiest, speediest among them? We’ll introduce you to the Top 10, in reverse order. --John McDermott