Long the world's leading maker of flat-screen TVs, memory chips, and LCD screens, Samsung Electronics has become a lot sexier lately: Its Galaxy tablets have made a big splash, earnings have jumped, and it climbed four slots on our All-Star list this year to No. 38. Here's how it executed its makeover.
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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?