Fortune 1000 rank: 79
Best Companies rank: 74
No. of U.S. employees: 29,145
Most common salaried job (Avg. Pay):
Project Manager-Technologies ($99,221)
What makes it so great? Credit card behemoth breeds loyalty: Nearly a quarter of employees have been with the company more than 15 years. "It is my honor to serve my brand, my creed, my company," says one.