Deutsche Telekom

Deutsche Telekom merged its T-Mobile USA unit with prepaid specialist MetroPCS in 2013, and that firm merged with Sprint in 2020, creating the second-largest wireless carrier in the us. T-Mobile now serves 77 million postpaid and 21 million prepaid phone customers, equal to around 30% of the us retail wireless market. The firm entered the fixed-wireless broadband market aggressively in 2021 and now serves more than 5 million residential and business customers. In addition, T-Mobile provides wholesale services to resellers.

Telefonica operates mobile and fixed networks in Spain (where it is the incumbent telephone operator), the UK, Germany, Brazil, and other Latin American countries like Colombia, Mexico, Argentina, and Chile. The company derives more than 30% of its revenue from Spain, close to 20% from Germany, and 20% from Brazil. Its UK operations are held through a joint venture with Virgin Media. For several years Telefonica has been simplifying its corporate structure by selling noncore assets.

Provider of telecommunication and internet services intended to offer a network for connection. The company's services include calling, texting and roaming from anywhere through its third, fourth-generation and fifth networks, enabling the users to call and text at a low-frequency network with no mobile signal or any extra cost.