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5. U.S. Postal Service
Global 500 rank: 83
2007 loss ($ millions): $5,142

A loss of $5.1 billion in 2007 might sound like the final blow to old-school mailing, though the postal service attributes much of its loss to a large earmark ($5.4 billion) to fund retiree health benefits.

But your mailbox isn't going to be obsolete anytime soon: The postal service handled a staggering 212 billion pieces of mail last year.

NEXT: Alcatel-Lucent
Last updated July 09 2008: 8:26 AM ET
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