Marion Rövekamp

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.

EWE VERTRIEB GmbH supplies electricity, natural gas and energy services. It serves private, commercial and industry customers, municipal utilities and local authorities. The company is headquartered in Oldenburg, Germany.

swb AG distributes gas, water, electricity and specializes in waste disposal management and water treatment. Its principal activity is to supply of the city of Bremen with electricity, natural gas, water and district heat. The company was founded on September 23, 1854 and is headquartered in Bremen, Germany.

EWE AG provides utility services such as distribution of electricity and gas. The firm supplies electricity and natural gas, water management, communication infrastructure, Internet connections, billing systems in network control, energy trading, and energy management. The company was founded in 1943 and is headquartered in Oldenburg, Germany.