Cornelia Elisabeth Sonntag

T-Mobile Czech Republic a.s. provides telecommunications services. The company offers mobile telecommunication services, internet, television, mobile phones, tablets, laptops and modems. The company was founded on February 15, 1996 and is headquartered in Prague, Czech Republic.

Helmholtz Institute provides PhD training and education services. The private company is based in Utrecht, Netherlands.

Deutsche Telekom (UK) Ltd. specializes in the development and support of products and services for telecommunications operators. It combines technical and commercial know-how from all over the world and supports the international activities. The company is headquartered in London, the United Kingdom.

Part of Deutsche Telekom AG, Deutsche Telekom Pan-Net SRO is a telecom company based in Bratislava, Slovakia. The Slovak company provides telecom operator services and was founded by Kerstin Guenther.

Case Western Reserve University provides educational services. It offers a variety of undergraduate degree courses and graduate and professional options such as arts and sciences, dentistry, engineering, law, management, medicine, nursing, social work, and more. The firm also offers dual-degree programs. The company was founded in 1826 and is headquartered in Cleveland, OH.

CodeCool Kft. operates coding schools and training centers. The company was founded by Gábor Simon, József Péter Boda, Máté Rémiás, and Vinnai Balázs on November 17, 2014 and is headquartered in Miskolc, Hungary.

Helmholtz Zentrum München Deutsches Forschungszentrum engages in the operation of a research institution for environmental health. Its activities include research focusing on the interaction of genetics, environmental factors, and lifestyle as well as the development of strategies and applications for the diagnosis, treatment, and prevention of serious common diseases. The company was founded in 1960 and is headquartered in Neuherberg, Germany.

Part of Deutsche Telekom AG, Deutsche Telekom Technik GmbH is a German telecommunications company. The company is based in Bonn, Germany. The CEOs are Abdurazak Mudesir, Christian Kramm, Peter Beutgen. The company was founded in 2005.

Part of TRI R, TBDS AS broadcasts television and radio. The company is based in Bratislava, Slovakia. TBDS was acquired by TRI R from Deutsche Telekom AG on August 06, 2007.

T-Systems ITC Iberia provides IT and telecommunications solutions and services for the automotive, banking, health, and public sectors. These include systems integration and engineering, as well as infrastructure management and process modernization. The firm is based in Barcelona, Spain.

GTS Poland Sp zoo provides telecommunications services. The company was founded in 1997 and is headquartered in Warsaw, Poland.

T-Mobile International AG & Co. KG provides telecommunications services. As strategic business segment of Deutschen Telekom AG for mobile telephony, the company concentrates on mobile telephony markets in Europe and the USA. The company is a partner of the FreeMove alliance, which they founded together with three other european mobile phone providers: Orange, Telefónica Móviles Espana and TIM (Telecom Italia Mobile). The company was founded in 1999 and is headquartered in Bonn, Germany.

T-Mobile Austria GmbH engages in the provision of mobile telecommunications, fixed-line network, and Internet services. It also operates an online platform, which offers mobile phones. The company was founded in October 1996 and is headquartered in Vienna, Austria.

T-Mobile Polska SA engages in the operation of mobile phone networks. It also offers telephones, routers, modems, tablets, and computers. The company provides caller identification, hotspot, high definition voice and Internet services. T-Mobile Polska was founded in 1995 and is headquartered in Warsaw, Poland.

Part of Deutsche Telekom AG, Deutsche Telekom Europe Holding GmbH provides wireless telecommunication services. The company is based in Bonn, Germany. The CEOs of the German company are Robert Patrick Hauber, Kai-Ulrich Deissner, Johannes Jansen.

Orange Romania Communications SA provides telecommunications services. It offers internet, mobile and landline telephone, roaming, migration, and digital television solutions, as well as trade of mobile phones and tablets, and accessories. The company was founded in 1930 and is headquartered in Bucharest, Romania.

Buyin SA is a Belgian procurement company that specializes in telecommunications industry. Buyin is based in Brussels, BE. The private company provides technical consultancy with commercial cost insights and leverage scale and innovation across all the strategic telco product categories. The company creates solutions to increase competitiveness on the basis of a demand plan and in constant interaction with their customers. The company has a proven track of building strong long-term relationships with suppliers and partners. Béatrice Felder has been the CEO of the company since 2019.

Kereskedelmi és Hitelbank Zrt. provides banking and financial services. It offers loans, credit and debit cards, savings, financing, investments, and premium solutions. The bank was founded on January 1, 1987 and is headquartered in Budapest, Hungary.

Zoznam SRO operates an internet search engine and directory service. Zoznam was founded in 1997 and is headquartered in Bratislava, Slovakia.