T-Mobile is the brand name used by some of the mobile communications subsidiaries of the German telecommunications company Deutsche Telekom AG in the Czech Republic, Poland and the United States.
Deutsche Telekom AG is a German telecommunications company headquartered in Bonn and is the largest telecommunications provider in Europe by revenue. It was formed in 1995 when Deutsche Bundespost, a state monopoly at the time, was privatized. Since then, Deutsche Telekom has consistently featured among FortuneMagazine's top Global 500 companies by revenue, with its ranking as of 2023 at number 79. In 2023, the company was ranked 41st in the Forbes Global 2000. The company operates several subsidiaries worldwide, including the mobile communications brand T-Mobile. It is the world's fifth-largest telecommunications company by revenue.
Hellenic Telecommunications Organisation S.A. is the largest technology company in Greece. It is one of the three largest companies listed in the Athens Stock Exchange, according to market capitalization.
Magyar Telekom Nyrt. is one of the leading Hungarian telecommunications service provider company. It is a subsidiary of Deutsche Telekom.
Koninklijke KPN N.V., trading as KPN is a Dutch telecommunications company. KPN originated from a government-run postal, telegraph and telephone service and is based in Rotterdam, Netherlands.
Hrvatski Telekom, alsko kown as HT or Telekom, is a Croatian telecommunications company founded in 1998. Headquartered in Zagreb, it is majority-owned by Deutsche Telekom with a 53.5% stake and is publicly traded on the Zagreb Stock Exchange.
Tele2 AB is a provider of mobile and fixed connectivity, telephony, data network services, TV, streaming and global Internet of Things services, amongst others, to consumers and enterprises. It is headquartered in Kista Science City, Stockholm, Sweden. It is a major mobile network operator in Sweden, Estonia, Latvia and Lithuania. The company initially founded Tele2 Russia, but later sold all its operations, only leasing the use of its brand name.
NDO Limited was an Internet Service Provider (ISP) in the United Kingdom. Originally established in 1995, originating from NetDirect which was one of the first ISPs in the UK.
Türk Telekom is a state-owned Turkish telecommunications company. Türk Telekom was separated from Turkish Post (PTT) in 1995.
Vodafone Deutschland GmbH is the largest cable television operator in Germany. Kabel Deutschland was subject to a hostile takeover bid by the British Vodafone Group in September 2013; the deal was approved in December 2013 and finalised on 29 January 2014. Until the takeover the company name was Kabel Deutschland.
Crnogorski Telekom is the leading telecommunications operator based in Podgorica, Montenegro. It is the largest telecommunications company in Montenegro and provides fixed-line, mobile, IPTV, internet, ICT and cloud services.
Arcandor AG was a holding company located in Essen, Germany, that oversaw a number of companies operating in the businesses of mail order and internet shopping, department stores and tourism services. It was formed in 1999 by the merger of Karstadt Warenhaus AG, founded in 1920, with Quelle AG, founded in 1927. In 2005, the corporation had about 68,000 employees and annual sales of €15.5 billion. Its stocks were traded on the Mid Cap DAX until September 2009. The company's largest store was Kaufhaus des Westens (KaDeWe) in Berlin, and the largest store operated by Karstadt was in Frankfurt.
Arcor is the former name of the fixed phone line and Internet business of Vodafone D2 GmbH, a German subsidiary of telecommunications company Vodafone. It is the second-largest provider of fixed phone lines in Germany after Deutsche Telekom. Its name changed on 1 August 2009 after Vodafone completed acquisition of the company. Its headquarters were in Eschborn near Frankfurt. It is one of the few telecommunications companies in Germany to operate an ISDN network that is independent of the incumbent provider Deutsche Telekom.
The prevalent means of connecting to the Internet in Germany is DSL, introduced by Deutsche Telekom in 1999. Other technologies such as Cable, FTTH and FTTB (fiber), Satellite, UMTS/HSDPA (mobile) and LTE are available as alternatives.
United Internet AG is a global Internet services company headquartered in Montabaur, Rhineland-Palatinate, Germany. The company is structured in two business areas, Access and Applications, and has a total of 16 brands and numerous subsidiaries. The well-known brands under the umbrella of United Internet AG include 1&1, IONOS, Fasthosts, GMX, WEB.DE and 1&1 Versatel.
1&1 AG is a German telecommunications service and landline and mobile telecommunications provider headquartered in Montabaur, Rhineland-Palatinate and listed on the TecDAX. Since 2017, the majority of the company has belonged to United Internet.
NFON AG, headquartered in Munich, was founded in 2007 and is a provider of integrated cloud business communications. The company is active in 15 European countries with its own subsidiaries and a partner network.
René Obermann is a German businessman who is co-head of Warburg Pincus International LLC's European operations, and chairman of Airbus SE since April 2020. He was previously CEO of Deutsche Telekom AG.
Odido Netherlands is the largest mobile phone company in the Netherlands. It was owned by Deutsche Telekom before being sold to WP/AP Telecom Holdings IV B.V., a joint venture between Warburg Pincus and Apax Partners. From 2021–23, it licensed the T-Mobile brand name from Deutsche Telekom. As of January 2024, it had 6.9 million customers.
The Norisbank is a German bank with headquarters in Bonn. Since 2 November 2006, it has been a subsidiary of Deutsche Bank and since 27 July 2012 purely a direct bank.
