Discover Financial Services is a bank operating in two distinct segments: direct banking and payment services. The company issues credit and debit cards and provides other consumer banking products including deposit accounts, students loans, and other personal loans. It also operates the Discover, Pulse, and Diners Club networks. The Discover network is the fourth-largest payment network in the United States as ranked by overall purchase volume, and Pulse is one of the largest ATM networks in the country.