Siemens AG (FWB: SIE, NYSE: SI) is the world's largest electronics company. Its international headquarters are in Berlin and Munich, Germany. Siemens AG is listed on the Frankfurt Stock Exchange and also on the New York Stock Exchange since March 12, 2001.

Worldwide, Siemens and its subsidiaries employ 461,000 people (2005) in 190 countries and reported global sales of €85 billion in fiscal year 2005.