Official Payments Holdings Inc (Official Payments), formerly Tier Technologies, Inc. is a provider of electronic payment solutions (Payment Solutions). The Company operates through Official Payments Corporation (OPC), its subsidiary. The Company operates through two segments: payment solutions and voice systems automation (VSA). Payments solutions provides services to government agencies, educational institutions, utility companies and charitable organizations to accept payments by credit card, debit card and electronic check through mobile, web, telephone and point of sale environments. The voice systems automation segment provides call center interactive voice response systems and support services, including customization, installation and maintenance.