Shake Things Up
Shake Things Up
Samsung Group chairman Lee Kun-hee has led a transformation over the past year that included boosting Samsung Electronics' R&D and operations investment by 98% in 2010 and replacing its CEO and several top managers. The moves are credited for the company's record revenue of $136 billion and 58% surge in profits last year. Though profits fell in the first quarter of this year, analysts say that 2011 earnings could hit a record.

Last updated July 20 2011: 6:44 AM ET
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Top 50 winners

Which companies have the best reputations? Apple tops the list for the third year in a row. Who else made the top 50 this year?