Gerald Ziemann

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.

Part of Stadt Wolfenbuettel Koerperschaft des Oeffentlichen Rechts, Abwasserentsorgung Wolfenbüttel GmbH is a company based in Wolfenbuttel, Germany. Abwasserentsorgung Wolfenbüttel GmbH provides electricity, gas, water, and energy solutions to private and business customers. The German company offers fair prices and clearly defined conditions for electricity and natural gas supply. The company also provides services such as photovoltaic systems, e-mobility, and energy advice. Abwasserentsorgung Wolfenbüttel GmbH is committed to supporting the economy in the region and creating jobs. The company has a 24/7 customer portal where customers can manage personal data and contractual matters. The company was founded in 1979. The CEO is Matthias Tramp.

GASAG AG engages in the supply and distribution of electricity and natural gas. It also provides renewable energy solutions and services. The company was founded on January 1, 1847 and is headquartered in Berlin, Germany.

Stadtwerke Wolfenbüttel GmbH is a utility provider in the city of Wolfenbüttel and its neighboring communities. It offers electricity, water, and natural gas to its clients. It is also responsible for the maintenance of its distribution lines and the city's sewage system. The company was founded on the 1st of January, 1979 and is headquartered in Wolfenbüttel, Germany, with offices within nearby communities.

Avacon AG operates as a regional energy service provider. Its services include energy and natural gas distribution, water supply, as well as district heating. The firm also offers technical and infrastructure services. The company was founded in 1999 and is headquartered in Helmstedt, Germany.

LandE GmbH specializes in electricity distribution services. The company is based in Wolfsburg, Germany.

Part of E.ON SE, SVO Holding GmbH distributes electricity, natural gas, and drinking water. The company is based in Celle, Germany. The German company was founded in 2009. The CEO is Wolfgang Fragge.

Part of Landschaftliche Brandkasse Hannover, Öffentliche Feuerversicherung Sachsen-Anhalt is a German company that offers the best possible protection for all life situations to its customers in Sachsen-Anhalt. The company is based in Magdeburg, Germany. The company actively contributes to climate protection in Sachsen-Anhalt through its campaign "Bäume für Sachsen-Anhalt" by supporting reforestation projects with every ÖSA car new contract. The ÖSA Unfallversicherung provides worldwide insurance coverage for you and your family in case of leisure and work accidents, around the clock. The CEO of the company is Peter Ahlgrim.

TRANSPORTWERK Magdeburger Hafen GmbH is a significant system service provider for freight handling and logistics partner in Magdeburg, DE. The company operates the Magdeburg port railway, which has a track network of 54 km in the port area and a direct connection to the public rail network of DB Netz AG. The German company is ultimately controlled by the City of Magdeburg. The company was founded in 1992, and the CEO is Heiko Maly.

Zoologischer Garten Magdeburg gGmbH is a zoo located in Magdeburg, Germany. Visitors can watch daily animal feedings and contribute to species protection by purchasing adult tickets. The zoo has two playgrounds for children and a savanna landscape completed in 2017 where visitors can experience the diversity of African wildlife. The giraffe house allows visitors to observe the gentle giants at eye level. The zoo also has a 2-hectare community facility where visitors can search for the blood breast pavian. The CEO of the German company is Kai Perret.

Messe und Veranstaltungsgesellschaft Magdeburg GmbH (MVGM) is a company based in Magdeburg, Germany that offers event locations for conferences, congresses, and celebrations of all sizes. The German company provides unique and unforgettable experiences with first-class catering and service. MVGM is the strongest provider of events in Magdeburg, offering a variety of locations such as the AMO Kultur- und Kongresshaus, the GETEC-Arena, the Johanniskirche, the MDCC-Arena, the Stadthalle with the Albinmüller-Turm, and the Elbauenpark with the Seebühne and Jahrtausendturm. The company is ultimately controlled by the City of Magdeburg. The CEO of the company is Steffen Schüller.

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.

Stadtwerke Göttingen AG is an energy service provider based in Göttingen, Germany, founded in 1859. The German company is responsible for providing gas, energy, heat, and water to Göttingen and the surrounding region. The company also offers emergency services for gas leaks, water supply disruptions, and district heating interruptions. Additionally, the company assists with the renewal of heating systems. Stadtwerke Göttingen AG is ultimately controlled by the City of Göttingen.

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.

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

Backring Rhein-Berg Albert Müller GmbH is a bakery store based in Overath, Germany. The CEOs of the German company are Dieter Müller and Christof Müller. The private company operates as a bakery store.