These are the leading credit card processing companies (JPM, BAC, C, WFC, VNTV, TSS, BCS, FDC, WPG)
BI Intelligence
Credit card processors are mostly responsible for data transmission and security when you use your card at a store or online to make a purchase.
There are two types of processors in the payment-card system. Front-end processors route transactions from merchants to the cardholder's bank to gain authorization; that is, they make sure a customer has enough available credit or funds to make a purchase. Back-end processors are responsible for a fund's settlement, which ends with the merchant receiving a deposit for transactions.
Below, we've outlined the major players in credit card processing and described their major strengths.See the rest of the story at Business Insider
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