Siemens AG (German pronunciation: [ˈziːməns] (listen)[3][4][5] or [-mɛns][5]) is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe[6] headquartered in Munich with branch offices abroad. The principal divisions of the corporation are Industry, Energy, Healthcare (Siemens Healthineers), and Infrastructure & Cities, which represent the main activities of the corporation.[7][8][9] The corporation is a prominent maker of medical diagnostics equipment and its medical health-care division, which generates about 12 percent of the corporation's total sales, is its second-most profitable unit, after the industrial automation division. In this area, it is regarded as a pioneer and the company with the highest revenue in the world.[10][11] The corporation is a component of the Euro Stoxx 50 stock market index.[12] Siemens and its subsidiaries employ approximately 303,000 people worldwide and reported global revenue of around €62 billion in 2021[2] according to its earnings release.