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40. Maggie Wilderotter
Chairman and CEO
Frontier Communications (FTR)
2009 rank: 50
Age: 55

The $8.6 billion acquisition of Verizon assets in July tripled Frontier's size: Its expanded revenue should top $6 billion a year, making it the nation's largest rural communications company.

NEXT: Lynn Elsenhans
Last updated September 30 2010: 2:47 PM ET
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