1.Visa is a credit card brand managed by Visa International in San Francisco, California, USA. The organization is the largest credit card and traveler's check organization in the world, with an annual transaction volume of $300 million. VISA International itself does not issue cards directly. VISA brand credit cards are issued by members of VISA International (mainly banks).

MasterCard is a credit card brand issued by MasterCard international financial institutions. Mastercard international, founded in 1966, is the second largest credit card association in the world.

3. American Express was founded in 1850 and its headquarters is in new york. American Express is the world's largest global film industry with tourism services, integrated finance, financial investment and information processing. Credit card business is in a leading position in the world, and its American Express Centurion Black Gold Card is recognized as the king of credit cards.