2. MasterCard (new york Stock Exchange code: MA) was established in 1966, and its global headquarters is located in new york in the eastern United States. As the world's leading payment company, MasterCard is committed to providing consumers around the world with a more convenient and efficient financial payment environment. MasterCard provides global business links for global financial institutions, governments, enterprises, merchants and cardholders through consulting services of payment joining, processing centers and payment industry.