Deutsche Telekom
Deutsche Telekom is Germany's incumbent telephone company and offers integrated telecommunication services, fixed and mobile, in several countries. Its U.S. business, T-Mobile, is among the largest wireless phone companies in the country, having recently acquired the fourth mobile provider, Sprint. Apart from Germany and U.S., the company operates in nine European countries. The firm's strategy has been to increase its scale (Sprint acquisition), improve operations through digitalization, and invest in its networks.