Norbert Speckmann

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.

WSW Energie & Wasser AG engages in the provision of utility services for private, industrial, and corporate clients. The firm generates electricity from coal-fired, hydro, and wind power stations. It also operates facilities for the collection and treatment of water and wastewater, as well as the distribution of drinking water. The company is headquartered in Wuppertal, Germany.

HGS GmbH & Co. KG provides engineering consulting services. It offers services for gas engines and power plants as well as power-generating solutions including commissioning maintenance, and repair; engine and oil management; remote and plant monitoring; gas detector calibration; plant construction, optimization, and modernization; spare parts; and replacement of engines, aggregates, and electrical components. The company is headquartered in Krefeld, Germany.