ACI Worldwide, Inc. is a global payments technology company. The Company develops markets, installs, and supports a line of software solutions that deliver intelligent payment orchestration to banks, merchants, and billers. Its segments include Payment Software and Biller. Its Payment Software segment drives payments orchestration for banks and merchants. It provides payment solutions to large and mid-sized banks globally for retail banking, digital, and other payment services. Its support of merchants globally includes Tier 1 and Tier 2 merchants (in-store and online), payment service providers, independent selling organizations, value-added resellers, and acquirers who service them. The Company's Biller segment provides electronic bill presentment and payment services to companies operating in the consumer finance, insurance, healthcare, higher education, utility, government, mortgage, subscription provider, and telecommunications categories.