Siemens vs Telefonica

Siemens AG is a German multinational conglomerate company headquartered in Berlin and Munich. It is the largest engineering company in Europe. The principal divisions of the company are Industry, Energy, Healthcare, and Infrastructure & Cities, which represent the main activities of the company. The company is a prominent maker of medical diagnostics equipment and its medical health-care division, which generates about 12 percent of the company's total sales, is its second-most profitable unit, after the industrial automation division.

Telefnica, S.A. is a Spanish broadband and telecommunications provider with operations in Europe, Asia, North America and South America. Operating globally, it is one of the largest telephone operators and mobile network providers in the world. The company started as a public telecommunications company. Its head office is in the Distrito Telefnica in Madrid. As well as the Telefnica brand, it also trades as O2, Vivo and Movistar.