Jan-Frederik Zieger

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.

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.

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.

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.

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.

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.

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

WRG Wirtschaftsförderung Region Göttingen GmbH is a private company based in Goettingen, Germany. The German company serves as a competent contact for economic development for businesses and institutions in the Göttingen region. The CEO of the company is Detlev Barth.

Seniorenzentrum Göttingen gGmbH is a senior center and nursing home located in Goettingen, DE. The private company provides a well-equipped and centrally located facility for the elderly in the city of Goettingen. The German company's focus is on fostering a sense of community and cooperation among its residents. The CEO of the company is Kai Osterhorn.

Part of Stadt Göttingen, Deutsches Theater in Göttingen GmbH is a theater company based in Göttingen, Germany. The CEOs of the German company are Erich Sidler, Sandra Hinz. The company offers a variety of plays and performances, including Robin Hood and Party #8. The company also offers subscriptions and extra services such as bistro and costume rental. The theater is open Monday to Friday from 10 a.m. to 7 p.m. and Saturdays from 11 a.m. to 2 p.m. The box office opens one hour before the start of the introduction. The company is committed to theater pedagogy and offers presentations and workshops.

Part of Stadt Göttingen, Göttinger Verkehrsbetriebe GmbH is a transportation company based in Göttingen, Germany. Göttinger Verkehrsbetriebe GmbH ensures good mobility in Göttingen and has been doing so for over 90 years. The German company was founded in 1927 and the CEO is Michael Neugebauer.

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

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.

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.

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.

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.

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.

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.

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.

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.

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