Rank: 8 (Previous rank: 10)
Compare tool: AT&T vs. Top 10
CEO: Randall L. Stephenson
Address: 208 S. Akard St.
Dallas, TX 75202
You'd think that as the exclusive wireless carrier for Apple's iPhone, AT&T would be making big money on the hyper-popular device. You'd be wrong.
AT&T is kicking back a huge share of its iPhone sales to Apple -- a subsidy that cost the carrier $450 million in the fourth quarter of 2008 alone. AT&T is betting that the payoff will come when all those iPhone customers start racking up heavy Internet usage charges year after year after year. - J.B.
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