The American Express Company, also known as Amex, is an American multinational financial services corporation headquartered in Three World Financial Center in New York City. The company was founded in 1850 and is one of the 30 components of the Dow Jones Industrial Average. The company is best known for its charge card, credit card, and traveler's cheque businesses.
In 2016, credit cards using the American Express network accounted for 22.9% of the total dollar volume of credit card transactions in the US. As of December 31, 2017, the company had 112.8 million cards in force, including 50 million cards in force in the United States, each with an average annual spending of $18,519