The American Express Card: Don't Shuffle Papers Without It?

Five years ago, American Express Co. was more than willing to let federal bureaucrats leave home without its familiar green charge cards. The idea of bidding on a contract to provide cards to skimpy-spending federal employees seemed a bit downscale to AmEx. After all, it's the king of corporate card providers, with 89 of the 100 top U.S. companies among its accounts.

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