Siemens is a German multinational, founded in 1847, active in the technology, mobility and services sectors, headquartered in Munich and present with various offices in around 200 countries. Its portfolio for industrial automation includes almost all technological areas, except robotics: Automation systems, Identification and localization systems, Industrial communication, Industrial controls, Digital business services, Software for industry, Operator control and monitoring systems , PC based Automation Systems, Power Supplies, Process Analysis, Process Control Systems, Process Instrumentation.