Companies based in Gelsenkirchen

transit district in the Rhine-Ruhr area, Germany

Gelsenwasser AG is a German private utilities company that supplies natural gas and fresh water to residents in Germany. Areas of service include Ruhr, Lower Rhine, Westphalia, Lower Saxony, Brandenburg, Mecklenburg-Western Pomerania, Münster, and Saxony-Anhalt. The company also provides wastewater filtration services, and electricity.