Arndt C. Groth

T-Mobile USA, Inc. engages in the provision of wireless voice, messaging, and data services. It offers different plans for phones and tablets. The company was founded by John W. Stanton in 1994 and is headquartered in Bellevue, WA.

1&1 Internet SE engages in the provision of hosting and cloud services. It provides free domain name, business website, business domain, website hosting, website application, WordPress blog, eShop builder, and domain tips. The company was founded by Ralph Dommermuth in 1988 and is headquartered in Montabaur, Germany.

Hamburg@work eV operates as a business network of the digital and media industry dealing with content and technology. The company is headquartered in Hamburg, Germany.

Inmarsat Global Ltd. provides satellite telecommunication services. It offers global satellite phone services. The company also offers voice and broadband data services. Inmarsat Global is headquartered in London, the United Kingdom.

Airbus Defence & Space GmbH develops and manufactures defense systems. The company provides military transport and fighter aircraft, defense electronics and security systems and space systems. It also conducts research activities. The company is headquartered in Ottobrunn, Germany.

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.

STRATO AG provides web hosting services. Its products include domains, email and homepage packages, webshops, online storage and business solutions, as well as servers. The company was founded by Marc Alexander Ullrich and Norbert Stangl in 1997 and is headquartered in Berlin, Germany.

T-Systems International GmbH engages in the development, implementation, operation, and marketing of client- and industry-specific solutions in the information processing and telecommunications sectors. These include security, data processing, information management, training, and consulting services. The company was founded on August 30, 2004 and is headquartered in Frankfurt, Germany.

eCharge Corp. provides secure online payment services. The American company was founded by Robin Bruce Hutchison and George Fleming. The CEO is Truett Tate.

Allianz Deutschland AG operates as a holding company. It offers insurance products and services, which includes life, health and property and casualty. The company is headquartered in Munich, Germany.

Intershop Communications, Inc. provides e-commerce software solutions. The company is headquartered in San Francisco, CA.

Drawing on a global infrastructure of data centers and networks, T-Systems operates information and communication technology (ICT) systems for multinational corporations and public sector institutions. On this basis, the company provides integrated solutions for the networked future of business and society. T-Systems combines industry expertise and ICT innovations to add significant value to customers' core business all over the world.

Mathematica, Inc. provides research and consulting services. It operates through its subsidiaries. The company is headquartered in Princeton, NJ.

Ziggo BV provides entertainment and communication services. It offers television, internet, landline, and mobile telephony services. The company was founded in1984 and is headquartered in Utrecht, the Netherlands.

Part of United Internet AG, The Phone House Telecom GmbH is a German company that retails mobile phones and other mobile communications products. The company is based in Muenster, Germany. The company was founded by René Richard Obermann. The CEO is Dirk Börsch.

Telekom Deutschland GmbH provides mobile communication services. It offers fixed network telephony, broadband Internet, mobile voice and data, and IPTV products and services. The firm's technologies for mobile data transmission include GPRS, EDGE, W-LAN, UMTS, and HSDPA. The company was founded in 1993 and is headquartered in Bonn, Germany.

Warburg Pincus Deutschland GmbH is a venture capital firm is founded in 1966. The firm is headquartered in Germany.

BITKOM Bundesverband Informationswirtschaft-Telekommunikation operates as a business association. The company is based in Berlin-Mitte, Germany and has subsidiaries in Germany.

inexio Informationstechnologie und Telekommunikation GmbH provides telecommunications and information technology services. It offers DSL and fiber optic broadband Internet access, wavelength and Ethernet connections, hosting, VPN solutions, analog and VoIP telephone connections, managed services, IT operation, and Internet security. The firm invests in the construction and expansion of telecommunications infrastructure. The company was founded by David Zimmer in 2007 and is headquartered in Saarlouis, Germany.

Isat Connect Bidco Ltd. is a British company that provides mobile satellite communication services. The private company is based in St. Peter Port, UK. The company was founded in 2019.

The Internet Economy Foundation operates as a foundation focused on the internet economy. The private company is based in Berlin, Germany. The German company was founded in 2016 and the CEO is Friedbert Pflüger.

Part of Deutsche Telekom AG, Deutsche Telekom, Inc. provides telecommunication services. The company is based in New York, NY.