Biggest Companies of the 2012 Inc. 5000

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From lawn care services and craft supplies to groceries and apparel, this year’s biggest Inc. 5000 companies by sales each grew quickly enough to land on the list--despite their massive size. Click through the Gallery to find out which of America's fastest-growing companies--Levi Strauss, Facebook, or Publix (or none of these)--sells the most stuff. --Jillian D’Onfro