Berthold Huber

DB Fahrzeuginstandhaltung GmbH provides rail vehicles repair and maintenance services. The company is based in Frankfurt, Germany. The company is a subsidiary of Deutsche Bahn AG and ultimately controlled by the Government of Germany. The company was founded in 2001. Uwe Fresenborg has been the CEO of the company since 2011.

DB Netz AG manages and maintains railway infrastructure networks. The firm operates as a service provider for railway undertakings and necessary installations. It focuses on the compilation of timetables and the repair and maintenance of the rail network. It also engages in investments in the existing network, in modern command and control technology, and in plans for building new lines and upgrading old ones. Its product portfolio consists of train paths for passenger and freight transport and of service installations necessary for the preparation, post-processing, and operation of train movements. The company was founded in 1998 and is headquartered in Frankfurt, Germany.

DB Fernverkehr AG provides transportation, mobility and logistics network services. They are engaged in the operation of passenger trains in Germany. The company was founded in 1991 and is based in Frankfurt, Germany, with regional divisions throughout the country.