Rolf-Georg Köhler

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.

Stadtentwaesserung Dresden GmbH provides water-cleaning services. The private company is based in Dresden, Germany.

Gas-Union GmbH engages in the production and supply of natural gas. The firm operates through the following segments: Sales, Trading, and Services; Networks; Storage; and Upstream. The Sales, Trading, and Services segment focuses on product procurement, sales, distribution, and risk management processes. The Networks segment refers to product transport. The Storage segment is reponsible for technical storage and services. The Upstream segment specializes in gas exploration. The company was founded in 1961 and is headquartered in Frankfurt, Germany.

VARTA Microbattery GmbH manufactures and sells rechargeable and primary battery systems. It is into research, development, production and sales of electrochemical energy storage systems for electronic devices. The company was founded in 2001 and is headquartered in Ellwangen, Germany.

Essener Versorgungs und Verkehrsgesellschaft mbH manufactures gas and distributes gaseous fuels through mains. The company is a subsidiary of Stadtwerke Essen AG and ultimately controlled by the City of Essen. The company is based in Essen, Germany. The CEOs of the German company are Lars-Martin Klieve, Lothar Grüll.

Stadtwerke - Altmaerkische Gas-, Wasser- Und distributes electricity, gas, and water and is ultimately controlled by the City of Stendal. The company is based in Stendal, Germany. The CEOs are Thomas Bräuer, Doe Klitzke, Thorsten Jansing. The German company was founded in 1886.

Part of Deutscher Sparkassen-und Giroverband eV, Sparkasse Göttingen is a financial institution based in Göttingen, Germany. Sparkasse Göttingen provides online banking services and a range of financial products and services for both private and corporate customers. The CEO of the German company is Rainer Hald.

Open Grid Europe GmbH provides natural gas transmission services. The firm's activities include design and construction of pipelines from conceptual design, project management, and engineering to implementation operation of the pipeline system. It offers services including maintenance and repair, as well as control and monitoring of the network and storage facilities; provision of capacity management services that include capacity assessment and development of new gas industry standards; marketing of the capacities and support of customers; and quantity determination, and billing services. The company was founded in 2004 and is headquartered in Essen, Germany.

Founded in 1997, Hansewasser Bremen GmbH is a subsidiary of EWE AG that provides wastewater disposal and environmental services. The company is based in Bremen, Germany.

Part of Landkreis Osterode Verwaltung, Kreiswohnbau Osterode am Harz/Göttingen GmbH rents and leases land, buildings and apartments. The company is based in Osterode am Harz, Germany. The CEO of the German company is Hans-Peter Knackstedt.

Wasserwerke Westfalen GmbH is a German water treatment company that provides drinking water to 1.5 million people in the southern Münsterland, middle and eastern Ruhr area, and northern Sauerland. The company prepares water from the Ruhr river in its six waterworks located between Wickede (Ruhr) and Witten. The company is based in Schwerte, Germany and was founded in 2001. The company ensures the quality and freshness of the drinking water and also focuses on environmental management and cooperation with agriculture and energy companies. Wasserwerke Westfalen is a subsidiary of the City of Dortmund. The CEOs are Bernd Heinz and Bernhard Klocke.

Contilia GmbH provides general medical and surgical hospital services. It operates as a provider of hospitals and senior citizen facilities whose outpatient and inpatient services are supplemented by outpatient services, medical centers, prevention, early detection and rehabilitation programs. The company is headquartered in Essen, Germany.

Part of Varta AG, VARTA Consumer Komplementär GmbH is a company based in Ellwangen Jagst, Germany. The CEOs of the German company are Roland Rösch, Armin Hessenberger, Rainer Hald. VARTA Consumer Komplementär GmbH provides administration and management services.

WMR Wasserbeschaffung und Energieerzeugung Mittlere Ruhr GmbH is a company based in Germany that engages in the supply of water. The private company was founded in 1970 and the CEO is Dirk Waider.

GELSEN-NET Kommunikationsgesellschaft mbH provides internet, telephone, and cloud services. The private company is based in Gelsenkirchen, Germany. The CEOs are Thomas Dettenberg, Carsten Wick. The German company was founded in 1983.

Part of Stadt Göttingen, GWG Gesellschaft für Wirtschaftsförderung is a company based in Göttingen, Germany. The company facilitates networking and cooperation opportunities for businesses through memberships and partnerships with various organizations, including the German Association of Employers and the Diversity Charter. The company also has international connections to help businesses establish partnerships and collaborations beyond borders. The CEO of the company is Ursula Haufe.

GELSENWASSER Stadtwerkedienstleistungs-GmbH engages in the acquisition, holding, and management of participating interests in firms. The company is headquartered in Gelsenkirchen, Germany.

Prof. Schumann GmbH provides innovative solutions in the credit risk management. It offers credit management, CAM, jana, credit management SAP, web portals and individual programming. The company was founded in 1997 and is headquartered in Gottingen, Germany.

Part of Stadtverwaltung Merseburg, Servicegesellschaft Sachsen-Anhalt Süd mbH is a company based in Weissenfels, Germany. The German company specializes in providing quality services. The company offers a dual study program that combines practical experience in a company with academic learning. The program is designed to provide students with a comprehensive education that prepares them for their future careers. The company was founded in 2011, and the CEO is Kay Lehmann.

Städtische Wohnungsbau-GmbH Göttingen is a private company based in Göttingen, Germany. Städtische Wohnungsbau-GmbH Göttingen provides good living options in Göttingen, with a focus on quality and comfort. The German company was founded in 1960 and is led by CEO Claudia Leuner-Haverich.

GELSENWASSER Magdeburg GmbH provides administrative and management services. The private company is based in Gelsenkirchen, Germany. The CEOs are Julia Anna Kaufmann, Markus Janscheidt. The German company was founded in 2014.

Seniorenzentrum Göttingen Vermietungs GmbH & Co. KG is a private company based in Goettingen, Germany. Seniorenzentrum Göttingen Vermietungs GmbH & Co. KG engages in the management of residential properties, residential buildings, and apartments. The German company was founded in 2005 and is led by CEO Kai Osterhorn.

Part of Varta AG, VARTA Micro Production GmbH is a German company that has been passionate about creating reliable and energy-efficient products for over 130 years. The company is based in Noerdlingen, Germany. The company's focus is on creating products that can be used anywhere, from the North Pole to the Moon. The company was founded in 2018. Herbert Schein has been the CEO of the company since 2018.

Göttinger Versorgungs- und Verkehrsbetriebe GmbH is a holding private company based in Goettingen, Germany. The CEOs of the German company are Michael Neugebauer, Frank Wiegelmann. The company provides transportation services as its primary function.

Erenja AG & Co. KG provides electricity generation services. The private company is located in Germany.

Obermann Logistik GmbH is the largest logistics and freight forwarding service provider in the Harz region of Germany. The company's European Distribution Center is located in the heart of Germany, specifically in Osterode, Germany. With over 120 years of experience, Obermann Logistik is a trusted partner for all logistics needs. The German company was founded in 1893 by Fritz Obermann and is currently led by CEO Lars Obermann.

Obermann Speditions GmbH is a reliable logistics partner based in Osterode, Germany. The German company offers logistics and freight services throughout Europe, including service logistics to optimize equipment and effective outsourcing. As the largest logistics and freight service provider in the Harz region, they have over 120 years of experience and provide solutions for logistical challenges, freight questions, and the sale and maintenance of commercial vehicles. The private company was founded in 1997, and the CEOs are Heiko Andreas Helmke and Lars Obermann.

CONEXA GmbH Präzisionsarmaturen is a private company based in Hann. Muenden, Germany. The German company specializes in providing high-quality pipe connections and hydraulic screw connections, including DIN screw connections, flanges, welding screws, check valves, stainless steel pipes, and hose connectors. The company is committed to delivering excellent quality products to their customers. The company was founded in 1986 and is led by CEOs Hubertus Laddach and Helmar-H. Laddach.

Part of Stadtverwaltung Weissenfels, Stadtwerke Weissenfels GmbH is a company based in Weissenfels, Germany. The German company provides sustainable and affordable energy for Weissenfels, offering a large selection of tariffs for electricity, gas, water, and district heating. The company caters to both private and commercial customers and offer services such as public charging columns for electromobility. The company also provides customer service and support, including a customer magazine and newspaper, an app, and an online service for fault reporting. The CEO of the company is Lars Meinhardt.

Städtische Werke Magdeburg GmbH & Co. KG is a company based in Magdeburg, DE. Städtische Werke Magdeburg GmbH & Co. KG is a subsidiary of the City of Magdeburg. The German company provides various services such as electricity, electric car charging, heating, water supply, and wastewater disposal. The company is currently offering apprenticeships. The company was founded in 1993, and Helmut Herdt has been the CEO of the company since then.

EAM GmbH & Co. KG engages in the supply and distribution of electricity, district heating, and natural gas. The firm also provides district gas control systems and street lighting services. It plans and manages supply networks, as well as water supply and wastewater disposal. The company was founded on September 6, 1929 and is headquartered in Kassel, Germany.