Visa Inc. (NYSE: V), commonly calle VISA, is an economic joint venture of 21,000 financial institutions that issue and market Visa products including credit and debit cards. The company was originally named Visa International Service Association. As a part of VISA's restructuring and IPO plan, the name change occurred in late 2007. VISA is not engaged in any actual credit lending, but rather generates revenues from operating the world's largest retail electronic payment network. The company is based in San Francisco, California, USA.