The top issuers of Mastercard and Visa commercial credit, debit, and prepaid card products are ranked by purchase volume generated in 2019. Included are corporate travel and entertainment (T&E), fleet and purchasing, business credit, business debit, and prepaid (government benefits, etc.). There were 16 issuers who had purchase volume over $10 billion for all commercial card products combined (credit, debit, and prepaid) in 2019. The top 7 issuers had the same rankings in 2019 as in 2018. Collectively, their purchase volume totaled $669.79 billion, which was up 6.8% over 2018. Those who...