Carsten Schier

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

Abwassergesellschaft Gelsenkirchen mbH provides sewage treatment services. The company was founded in 1996 and is headquartered in Gelsenkirchen, Germany.

ENNI Energie & Umwelt Niederrhein GmbH provides energy supply and management solutions. The firm’s focus areas encompass power generation, electricity distribution, water supply, and natural gas distribution. It engages in technology innovation and development programs, with focus on natural gas heating, thermal and solar development, and electric-powered vehicles. Its also provides clients with energy conservation consulting and technical support services. It offers its solutions to private individuals and commercial businesses. The company is headquartered in Moers, 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.

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.

Ruhrverband Holding GmbH provides water supply, waste treatment and tourist services. The firm's services include suppling water for drinking, industrial purposes and hydroelectric power production, secure flood water-flow, and treat sewage. The company was founded in 1913 and is headquartered in Essen, Germany.

Part of Wasser und Gas Westfalen GmbH & Co. Holding KG, SEH Stadtentwässerung Herne GmbH & Co. KG is a company based in Herne, DE. SEH Stadtentwässerung Herne GmbH & Co. KG is involved in the management of wastewater and sewage systems. The CEOs of the German company are Josef Becker, Rolf Brechlin, Senay Sereflioglu. The company manages the Ruhmbach stream, which flows through the Gysenberger Wald, a designated landscape protection area. The company also offers exemptions from drainage fees for property owners who use fresh water for garden irrigation, subject to certain conditions.

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.

Stadtwerke Kaarst GmbH supplies natural gas, green electricity, and heat. The private company is based in Kaarst, Germany. The CEOs are Markus Barczik and Stefan Meuser. The German company was founded in 2001.

Windpark Haltern AV 9 GmbH operates as a wind park. The private company is based in Haltern am See, Germany. The CEOs of the German company are Bernhard Klocke, Jessika Meier.

Part of Wasser und Gas Westfalen GmbH & Co. Holding KG, Wasserversorgung Herne GmbH & Co. KG is a provider of energy services, including solar, e-mobility, and heating solutions through their SMART-TEC service brand. The company is based in Herne, Germany. The German company also offers Stadtwerke Ökostrom for operating their cost-effective and climate-neutral heat pumps. The CEOs are Ulrich Koch, Rafael Rüdel. The company was founded in 2005.