Siemens AG is a German conglomerate, the largest in Europe for turnover and employees.
It has its own headquarters in Berlin, Munich, Erlangen and Milan, and is divided into 4 sectors, namely Infrastructures and Cities, Industry, Energy, Healthcare.
Worldwide, it has about 372,000 employees in 190 countries, and in 2011 it has a turnover of € 77.327 billion