Hint: Credit cards is also their business
Answer: American Express Company
American Express Company sometimes known as "AmEx", is a diversified global financial services company that is headquartered in New York City. Founded in 1850, it is one of the 30 components of the Dow Jones Industrial Average. The company is best known for its credit card, charge card, and traveler's cheque businesses. Amex cards account for approximately 24 percent of the total dollar volume of credit card transactions in the US, the highest of any card issuer.
