Wilhelm Wolters

GELSENWASSER Energienetze GmbH is a German company that provides energy and water supply services. GELSENWASSER Energienetze is based in Gelsenkirchen, DE and ultimately controlled by the City of Dortmund. The company offers in-house and digital services, as well as training positions in technical and commercial areas. The company is gradually expanding its wiki to explain terms from their everyday work. The company also provides practical tips for everyday life and background information on energy savings. The CEOs of the company are Heiner Krietenbrink and Thilo Augustin.

NiersGasNetze GmbH & Co. KG is a German company that supplies gas. The private company is based in Kevelaer, Germany. The CEOs are Christian Creutzburg, Hans-Josef Thönennis. The company was founded in 2016.

Wohnbau eG is a German company that constructs and leases apartments. The private company is based in Goch, Germany. The company was founded in 2003.

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.

Part of Wasser und Gas Westfalen GmbH & Co. Holding KG, Wassergewinnung Essen GmbH is a company that focuses on the extraction, promotion, preparation, and provision of drinking water at the Ruhr in Essen and the corresponding delivery to the shareholders. The company is based in Essen, Germany. The German company ensures the highest quality and purity of drinking water for around one million people with the latest technology. The CEOs of the company are Friedrich Reh and Tobias Grau.