Helmut Trierweiler

H&K Müller GmbH & Co. KG is a sustainable plastic injection molding manufacturer based in Engelskirchen, Germany. H&K Müller specializes in producing plastic containers, packaging, dosing aids, and injection molded parts of all kinds. The German company was founded in 1934 by Katharina Müller and Hugo Müller, and the current CEO is Michael Müller.

DB Regio AG provides commuter train services. The firm specializes in the development and operation of short- and medium-distance commuter train units in urban centers. It engages in passenger transport operations, with focus on regional transportation network connections within metropolitan areas. Its focus areas also encompass investments and contract management, pricing and revenue marketing, and information technology integration. The company is headquartered in Frankfurt, Germany.

Deutsche Bahn AG engages in the provision of mobility, logistics, and passenger transport services. It operates through the following segments: DB Long-Distance, DB Regional, DB Arriva, DB Cargo, DB Schenker, DB Netze bStations, and DB Netza Energy. The company was founded in 1994 and is headquartered in Berlin, Germany.