Gruppe Deutsche Telekom AG

Combis consults, develops, implements, integrates & maintains complete, complex and sophisticated information-application-communication turn-key solutions. COMBIS is woven from hardworking, talented people and high technologies. They have crossed a long way of continuous growth and progress from the beginnings, when one enthusiast 19 years ago formed a company that has become the leading Croatian system integrator. Their development has always been based on the freedom of thought, innovation & creativity, stimulating at the same time teamwork & friendship among employees, as the main driver of their business. Moreover, technologies that they develop and implement are enriched with human factor and knowledge, making all the difference. Thus, technology truly becomes a living component of success and development of its customers.

OTE Plc provides interest bearing loans. It raises bonds and loans from the market. The company was founded on December 17, 1999 and is headquartered in London, the United Kingdom.

Slovak Telekom, a.s. provides telecommunication services to residential and corporate clients in Slovakia. It offers a range of services, including voice and data services through landline and mobile telecommunication networks, Internet connectivity, digital TV services, MMS messaging services, and roaming services. Slovak Telekom was founded on April 1, 1999 and is headquartered in Bratislava, Slovakia.

Part of Deutsche Telekom AG, T-Systems Information & Communication Technology India Pvt provides information and communications technology services. The company is based in Pune, India.

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.

CE Colo Czech s.r.o. provides state-of-the-art carrier neutral data center services. Its services include colocation, remote hands, connection and other services. The company was founded in January 2011 and is headquartered in Prague, Czech Republic.

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.

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.

T-Systems SASU provides digital infrastructure services. It offers solutions for cloud, network, security, quality, automotive, and outsourcing. The firm caters to the bank, automobile, insurance, and retirement sectors. The company was founded on August 5, 1980 and is headquartered in Saint-Denis, France.

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.

T-Systems Multimedia Solutions GmbH provides digital solutions and web innovations services. It specializes in digital transformation, industry 4.0 and Internet of Things, business solutions, IT security, IT management, IT quality, digital commerce, digital marketing, and digital service. The company is headquartered in Dresden, Germany.

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.

Founded in 1999, Deutsche Telekom IT GmbH is a German software development company that develops software applications. The company is based in Bonn, Germany and is a subsidiary of Deutsche Telekom AG.

Telekom Innovation Pool GmbH provides venture and growth capital for companies that operate in such fields as telecommunication, information technologies, multimedia and develop technologies that are in line with Deutsche Telekom AG's strategy.

ClickandBuy International Ltd. provides electronic money transfer services. It also provides internet payment billing systems. The company was founded by Norbert Stangl in 1999 and is headquartered in England, the United Kingdom.

Engineering.mo SpA provides information and communications technology solutions. The company is headquartered in Rozzano, Italy.

Part of Deutsche Telekom AG, T-Systems Malaysia Sdn. The company is based in Cyberjaya, Malaysia. Bhd. is a Malaysian company that provides integrated and secure network, cloud, Salesforce, and SAP solutions to help businesses on their road to digitalization. T-Systems offers Secure Access Service Edge (SASE) to provide secure networks, high connectivity, and quick cloud access for companies. The company also partners with leading technology and software enterprises to provide the best solutions for their clients. Additionally, T-Systems offers an Intrusion Detection System (IDS) that checks data traffic within vehicles for anomalies.

T-Systems Singapore Pte Ltd. provides telecommunication and consulting services. It serves the telecommunications, manufacturing, finance, retail, government, health care, oil and gas and transportation industries. The company is headquartered in Singapore

operational services GmbH & Co. KG is a company based in Frankfurt, Germany. The German company provides operational services and have won the "Partner Award" from ServiceNow. Ulrich Müller has been the CEO of the joint venture company since 2010.

Detecon International GmbH provides management consulting services. It advises telecommunications companies, governments, investors and regulatory authorities with solutions developed from the application of information and telecommunications technologies. The company was founded in 1977 and is headquartered in Cologne, Germany.

Part of Deutsche Telekom AG, Software Daten Service GmbH develops software for the banking industry. The company is based in Vienna, Austria. Ernst Kendlbacher has been the CEO of the Austrian company since 2011.

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.

Deutsche Telekom Venture Funds GmbH is venture capital fund that invests in early stage companies.

Part of Deutsche Telekom AG, Sprint Telecom India Pvt Ltd. is an Indian telecommunications company. The company is based in Mumbai, India. Founded in 2011, Sprint Telecom India provides telecommunications services.

Sprint/United Management Co., Inc. provides management services. The company is headquartered in Overland Park, KS.

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.