Siemens is a technology company. Make power plants, telephone systems, medical systems, car parts, washing machines and other stuff. Organizes more business units (eg. VDO, BSH) into one corporation.
Their headquarters are in Munich where they are one of the largest employers in the city.
Siemens AG
Wittelsbacherplatz 2
80333 München
Germany
Telephone: +49 89 636-00