ACI Worldwide Inc. is a digital payment systems company headquartered in Elkhorn, Omaha, Nebraska, that processes billions of transactions daily equating to trillions of U.S. dollars from customers in 94 countries. ACI Worldwide's products and services are used globally by banks, financial intermediaries such as third-party electronic payment processors, payment associations, switch interchanges, merchants, corporations, and a wide range of transaction-generating endpoints, including automated teller machines, merchant point of sale terminals, bank branches, mobile phones, tablet computers, corporations, and internet commerce sites. ACI Worldwide has partnered with organizations like AWS, Google, Red Hat, IBM, Mastercard, Visa, and other fintech innovators to enable banks, merchants, and billers to easily and securely accept, transform, and transmit any payment instantly on a cloud-native platform. Wikipedia