One Software Technologies (O.S.T.) Ltd. engages in provision of information technology services. It operates through the following operating segments: Software solutions and services, Computing and infrastructures solutions, Managed services, and other. The Software solutions and services segment engages in marketing, distribution and implementation of software products, and also in providing IT professional services. The Computing and infrastructures solutions segment involves in computers marketing, and in integration and implementation of solutions in computing environment. The Managed Services segment provides range of software and infrastructure services, including operation of support centers. The Other segment includes development and marketing of software products for the cellular sector. The company was founded on July 3,1973 and is headquartered in Rosh HaAyin, Israel.