Visa Inc. does not directly publish a list of all of the banks that issue its credits cards. However, Visa notes that the network of financial institutions it partners with includes 14,300 providers, per its 2014 recent annual report on Investor.Visa.com
Visa does provide a list of Visa-issuing financial institutions in the United States that offer or plan to offer Apple Pay compatibility on USA.Visa.com. This provides a partial but extensive list of partner institutions, which includes several hundred banks and credit unions as of 2015. Partners include most major banks, such as Chase, Bank of America, Wells Fargo, and Citi.