Nihon Unisys, Ltd. engages in the provision of information and communications technology (ICT) services. It operates through the following business segments: System Services, Support Services, Outsourcing, Software, Hardware, and Others. The System Services segment consists of contracted software development, system-related services, and consulting. The Support Services segment deals with support services for software, hardware, and installation services. The Outsourcing segment engages in contracted administration of information system. The Software segment provides software under a software license agreement. The Hardware segment provides hardware under a sales or a lease contract. The Others segment includes installation and facilities construction. The company was founded on March 29, 1958 and is headquartered in Tokyo, Japan.