S&T AG provides information technology solutions and services. It operates through the following segments: Services DACH, Service EE, Appliances Security, and Appliances Smart Energy. The Services DACH segment develops and markets IT technologies used in the client, server and storage areas; and provides the related commissioning and maintenance services. The Service EE segment provides services required by IT components. The Appliances Security segment manufactures items for IT security and infotainment. The Appliances Smart Energy segment handles all business involving the field of smart energy. The company was founded by Hermann Oberlehner in 1990 and is headquartered in Linz, Austria.