Corporations: Oil, Vinegar & Sugar

Ever since it invented the traveler's check in 1891, American Express Co. has been concerned with the problems of U.S. tourists. For the more than 1,500,000 Americans who travel abroad annually—the total is up 20% this year —its 408 offices around the world serve as mailing address, bank, guide, interpreter, travel agent and meeting place. They also take on such tasks as searching for daughters who have not written home and getting quick attention for those who become ill. Best known for its virtually loss-proof checks—which have become one of the world's most trusted and convertible currencies—American Express employs 200...