Dennis Horch

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.

Part of ManpowerGroup, Inc., Vivento Interim Services GmbH is a staffing and recruitment agency based in Bonn, Germany. The CEOs of the German company are Hansjörg Votteler, Sonja Pierer, Joachim Schneider.

Part of Diebold Nixdorf, Inc., Prosystems IT GmbH is a German company that provides IT services for the banking industry. The company is based in Bonn, Germany. The company was founded in 2004. The CEO is Vassilios Timiliotis. Prosystems IT was acquired by Diebold Nixdorf AG, part of Diebold Nixdorf, Inc. from August 09, 2016 on April 22, 2008.

Diebold Nixdorf Portavis GmbH develops pre-packaged information technology software solutions. The company was founded on June 27, 2005 and is headquartered in Hamburg, Germany.

Diebold Nixdorf Systems GmbH engages in the research, development, production, distribution, installation, and leasing of products and solutions in the fields of electronic information processing and transmission, as well as other systems engineering. It also provides consulting and training services. The company was founded on November 2, 2009 and is headquartered in Paderborn, Germany.

E+ Co. engages in the provision of investment services. The company was founded in 1994 and is headquartered in Bloomfield, NJ.

Gigabell AG operates as an Internet service provider offering business and private customers services such as Internet connection, e-mail, network solutions and e-commerce services. The firm was founded in 1995 by Daniel Davids and is headquartered in Frankfurt am Main, Germany.

CPC Unternehmensmanagement AG, founded in 1993, is a leading management consultancy for change management based in Frankfurt, Germany. The German company specializes in adjusting structures and standards, providing transparency, and offering consulting support, project management office, and program management services. CPC AG can be contacted directly for advice and consultation.

Part of Deutsche Telekom AG, Deutsche Telekom Training GmbH provides adult educational services. The company is based in Bonn, Germany. The CEO of the German company is Anton Arefjev.

Syntax Systems GmbH & Co. KG provides SAP outsourcing and consulting services. It offers managed cloud security services. The company was founded in 1995 and is headquartered in Weinheim, Germany.

WINCOR NIXDORF International GmbH offers information technology based solutions. It caters to the financial, retail, wholesale, lottery, postal, transportation, and public administration industries. It offers information technology consulting, hardware and software. The company was founded in 1952 by Heinz Nixdorf and is headquartered in Paderborn, Germany.

Part of Deutsche Telekom AG, gedas Mexico is a Mexican company that develops digital street maps. The company is based in Mexico City, Mexico.

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.

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.

American International Technology Enterprises, Inc. doing business as AIG Technologies, provides information technology services for clients in the insurance industry. Its services include software development, systems integration and data center outsourcing. It was established in 1972 and is headquartered in Livingston, NJ

T-Systems North America, Inc. provides systems integration and networking services. It implements advanced systems for corporate data and voice communications, as well as Internet Protocol (IP) networking systems. The company also offers managed network services to telecommunicatios carriers and Internet service providers, and they provide desktop computing services, technology assessments, and other cinsulting services. T-Systems International is a division of global telecommunications company Deutsche Telekom. T-Systems North America is headquartered in Rochester, MI.

IBM Deutschland GmbH provides information technology, business consulting, Cloud, and software solutions. It also offers IT infrastructures including software and hardware, as well as its financing. Its services include consultation on project deliverables, as well as creation, transformation, and operation of IT infrastructures, applications, and business processes. The company was founded in 1910 and is based in Ehningen, Germany.

Part of euNetworks Group Ltd., Lambdanet Communications Deutschland AG provides telecommunications and internet services. The company is based in Hannover, Germany. Markus Weiland has been the CEO of the German company since 2013. Lambdanet Communications Deutschland was acquired by euNetworks GmbH from 3U Holding AG on May 31, 2011 for $35.63 million.

Part of Atecs Mannesmann AG, o.tel.o GmbH is a mobile phone service provider based in Cologne, Germany. The German company offers affordable mobile phone contracts and prepaid plans on the Vodafone network, as well as a range of popular smartphones from brands like Apple and Samsung. Customers can manage their accounts and get information about their plans through the Mein otelo app. In 1999, o.tel.o was acquired by Mannesmann Arcor AG & Co. from E.ON SE for $1,224.52 million.

BIB TECH GmbH, a subsidiary of Netzkontor Group GmbH, provides expertise in fiber optic projects. The private company is based in Rodenberg, Germany. The German company's engineering office has been a reliable partner for broadband projects for municipalities and network operators, offering services from planning to implementation. BIB TECH has established itself as a long-standing partner for broadband projects for districts, cities, and municipalities. The CEO of the company is Björn Claaßen.

E-PCPM GmbH & Co. KG provides wireless telecommunications services. It offers mobile voice and data services, including phone, email, multimedia, prepaid calling cards, and Internet access. The company was founded in 1993 and is headquartered in Dusseldorf, Germany.

Lufthansa Technik AG provides maintenance, repair and overhaul services for commercial aircrafts and aircraft engines. It offers total support and engineering services, modifications, VIP and executive jet solutions, aircraft on the ground and e-Services. The firm serves airlines, leasing companies and private aircraft operators. The company was founded in 1951 and is headquartered in Hamburg, Germany.