Transaction Systems Architects, Inc. (TSA) provides enterprise e-payments software and services. Its principal operating unit, ACI Worldwide, provides solutions for consumer and wholesale payments, and application infrastructure. It serves customers in 84 countries, including financial institutions, retailers, and payment processors. ACI Worldwide’s products are used to route and process transactions for automated teller machine networks; process transactions from point-of-sale devices, wireless devices, and the Internet; control fraud and money laundering; authorize checks; establish frequent shopper programs; automate transaction settlement, card management, and claims...