The largest US issuers of Visa and Mastercard consumer credit and consumer debit/prepaid card products are ranked below based on purchase volume for goods and services in 2024. The Consumer Purchase Volume columns exclude purchase volume tied to small business, corporate, purchasing and fleet commercial credit, debit and prepaid cards. The All Purchase Volume columns are the totals for consumer, small business and commercial products combined. For the ranking table, log in and download Issu...