Americanexpress
American express offers individuals online access to its world-class card, financial, and travel services, including financial advice, retirement planning, air and hotel reservations and more.
http://www.americanexpress.com/
Mastercard
Mastercard® personal cards, mastercard worldwide
http://www.mastercard.com/be/personal/en/
Visa
The number one payment card used by people around the world, visa cards offer exceptional convenience and reliability. use visa cards to pay for purchases in more than 150 countries, as well as at internet merchants.
http://www.visa.com