Mastercard and Visa commercial cards issued in the U.S. generated $868.09 billion in purchases of goods and services in 2017, up 10.1% over 2016. Consumer and commercial purchase volume combined was $4.718 trillion last year. Of that amount, commercial products accounted for 18.40%, up from 18.23% in 2016. Commercial credit cards, which include small business credit, corporate T&E, and purchasing/fleet products, generated $625.90 billion in purchase volume in 2017, accounting for 24.84% of $2.520 trillion in combined commercial and consumer credit purchase volume. This market share w...