Udo Berner

Dürr Holding GmbH is an investment holding private company based in Denkendorf, Germany. Dürr Holding GmbH functions as an investment holding German company. The company was founded in 1998.

Part of Wolff & Müller Holding GmbH & Co. KG, WOLFF & MÜLLER Quarzsande GmbH is a private company based in Roederland, Germany. The CEOs are Michael Bork, Albert Dürr. WOLFF & MÜLLER Quarzsande GmbH manufactures industrial minerals, quartz sand and gravel. The German company was founded in 1936.

Part of Wolff & Müller Holding GmbH & Co. KG, Wolff & Müller - RKK Beteiligungs GmbH is a building materials wholesaler based in Stuttgart, Germany. Wolff & Müller - RKK Beteiligungs GmbH specializes in the wholesale distribution of building materials. The German company was founded in 1998 and the CEO is Albert Dürr.

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.

Part of Karl Danzer-Stiftung-Reutlingen, Danzer Holding AG engages in wholesale of timber and building materials. The private company is based in Dornbirn, Austria.

Part of BCG Holding Group SCS, Boston Consulting Group Service GmbH is a German company that provides management consulting services. The private company is based in Munich, Germany.

Part of Estate of Heinz Hermann Thiele, Alpha Rail Team GmbH & Co. KG engages in the provision of other services for land transport. The private company is based in Werdohl, Germany. The German company was founded in 1888. Oliver Schuster has been the CEO of the company since 2014.

DB Cargo AG provides rail freight transportation services. It offers block train services, single wagon transport, and intermodal transport services. The company was founded in 2000 and is headquartered in Mainz, Germany.

High Bay Warehouses GmbH constructs warehouses. The private company is based in Siegen, Germany. The German company was founded in 2009. The CEO is Oliver Wilm.