Hans-Hermann Stollen

Süwag Energie AG distributes electricity, natural gas and heat. It offers these products and its related services to both private and corporate clients. The company was founded in 2001 and is headquartered in Frankfurt, Germany.

Part of RWE AG, RWE Rhein Ruhr AG is a German company that supplies electricity. The company is based in Essen, Germany.

KELAG-Kärntner Elektrizitäts AG engages in the production, procurement, distribution, and sale of energy. It also focuses on hydro-power generation, wind energy, district heating, bio-mass energy, as well as recycling of industrial waste heat. The company was founded on January 28, 1923 and is headquartered in Klagenfurt, Austria.

Part of E.ON SE, Rheinisch-Westfälische Wasserwerksgesellschaft mbH is a German company that supplies water. The company is based in Mulheim an der Ruhr, Germany. The company was founded in 1912. The CEO is Franz Josef Schulte.

VSE AG provides electricity, gas, telecommunications and facility management services. It services include energy-related, commercial and metering. The company was founded in 1998 and is headquartered in Saarbrücken, Germany.

Stadtwerke Essen AG provides natural gas and water supply services. It also supplies power and treats sewage. The company was founded in 1979 and is headquartered in Essen, Germany.

envia Mitteldeutsche Energie AG operates as an investment holding company which focuses on the electricity distribution, gas, water supply, and telecommunications sectors. The company was founded in 1999 and is headquartered in Chemnitz, Germany.

RheinEnergie AG engages in the production, trading, network operation, as well as distribution of energy and water. Its products include electricity, natural gas, water, district and local heating, as well as steam. The firm also provides energy-related services. The company was founded in 1863 and is headquartered in Cologne, Germany.

innogy Netze Deutschland GmbH engages in the production and distribution of electricity, natural gas, district heating, and water. It also constructs, operates, acquires, and utilizes network facilities, as well as transport, storage, and distribution systems for its products. In addition, the firm also provides associated services. The company is headquartered in Essen, Germany.

Part of RWE AG, Stadtwerke Dülmen GmbH is a company based in Dulmen, Germany. The German company provides information about its products, services, and prices in a competent and personal manner. The Stadtwerke Dülmen GmbH offers a range of services to its customers and is committed to providing them with the best possible experience. The CEO of the company is Johannes Röken.

Part of Stadt Euskirchen, e-regio GmbH & Co. KG is an energy service provider based in Euskirchen, Germany. The German company offers personalized advice and attractive deals on gas, electricity, water, heat contracting, and energy efficiency. The company provides relief for energy consumers with price brakes for gas, heat, and electricity. The CEOs of the company are Stefan Dott, Markus Böhm, Christian Metze.

Beteiligungsholding Mülheim An der Ruhr GmbH is a company based in Mulheim an der Ruhr, Germany. Part of Stadt Muelheim an der Ruhr Kommunale Einrichtung, Beteiligungsholding Mülheim An der Ruhr GmbH is a German Beteiligungsmanagement company. Beteiligungsholding Mülheim An der Ruhr GmbH was founded in 2002 and the CEO is Hendrik Dönnebrink.

BP Europa SE distributes liquefied gas products. The company was founded on 30 April, 2010 and is headquartered in Bochum, Germany.

Ruhrbahn GmbH provides bus and deep sea passenger transportation services. The company is based in Essen, Germany. The CEOs of the German company are Uwe Bonan, Michael Feller. The company is ultimately controlled by the City of Essen.

Stadtentwässerung Mülheim an der Ruhr GmbH is a sewage disposal company based in Muelheim, Germany. Stadtentwässerung Mülheim an der Ruhr GmbH provides sewage disposal services. The German company was founded in 2004 and is led by CEOs Hendirk Dönnebrink and Burkhard Malcus.

Part of E.ON SE, Stadtwerke Siegburg GmbH & Co. KG is a company that provides electricity transmission services. The company is based in Siegburg, Germany. The CEOs of the German company are André Kuchheuser, Bernd Ganser.

Westenergie AG engages in the planning, construction, operation, maintenance, acquisition, marketing, and utilization of network facilities and other transport, storage, and distribution systems used for electricity, natural gas, district heating, and water. These also include water management plants and information transfer facilities. The company was founded on May 3, 2016 and is headquartered in Essen, Germany.

Gerstel GmbH & Co. KG specializes in automation for GC/MS and LC/MS. The private company is based in Mulheim an der Ruhr, Germany, and has subsidiaries worldwide. The German company provides precision products and services for sample preparation to data analysis, including thermal desorption systems, universal analysis systems for GC-MS, and customer advice, training, and service. Gerstel was founded in 1967 by Eberhard Gerstel and is currently led by CEOs Holger Gerstel and Ralf Bremer.

Mülheimer Wohnungsbau eG is a real estate development and management company based in Mulheim an der Ruhr, Germany. and has subsidiaries in Germany. Mülheimer Wohnungsbau eG provides real estate development and management services. The German company was founded in 1898. The CEO is Frank Esser.

Part of E.ON SE, Emscher Lippe Energie GmbH generates and distributes electricity. The company is based in Gelsenkirchen, Germany. The CEOs are Ulrich Köllmann, Bernd-Josef Brunsbach. The German company was founded in 1999.