Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Siemens AG is Europe''s largest engineering conglomerate. Siemens'' international headquarters are located in Berlin and Munich, Germany. The company is a conglomerate of three main business sectors: Industry, Energy and Healthcare with a total of 15 Divisions. Worldwide, Siemens and its subsidiaries employ approximately 480,000 people in nearly 190 countries and reported global revenue of 77.327 billion euros as of 2008. Siemens AG is listed on the Frankfurt Stock Exchange, and has been listed on the New York Stock Exchange since March 12, 2001.