SIEMENS AG FWB: SIE, NYSE: SI is the world's preeminent electrical and mechanical company and a world leader in electrical engineering, founded in 1847 by Werner von Siemens. The company's headquarters are in Munich, Germany. The company's activities are focused on information and communication, automation and control, power, transportation, medical systems and lighting, and sustainability has always been the company's principle. The Siemens Group owns Siemens Financial Services GmbH, Siemens Real Estate Asset Management Group, Bosch-Simons Home Appliances Group, and Fujitsu Siemens Computers (Holdings) Inc.