Walter Raizner

T-Com provides telecommunications services to the carrier's fixed-line telecommunications network in Germany. It provides international carrier services, terminal equipment and data communications services and offers services to residential customers and small to midsized businesses. It also provides Deutsche Telekom's fixed-line network infrastructure services and offers these services to other telecom carriers. The company is headquartered in Bonn, Germany.

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 International Business Machines Corp., IBM Central Holding GmbH is a German company that is working towards making a positive impact on the world. IBM Central Holding is based in Ehningen, DE. The company offers a range of software, hardware, and services that can be browsed by technologies, business needs, and services. The company was founded in 2001, and Matthias Hartmann has been the CEO of the company since 2018.