Hartmut Stiller

Energieversorgung Gera GmbH wholesales and distributes electricity. The company was founded in 1991 and is headquartered in Gera, Germany.

Flughafen Düsseldorf GmbH operates an international airport. It offers domestic, international and cargo flight transportation services. The airport serves as an airline hub for Air Berlin and Lufthansa airlines. Flughafen Düsseldorf is headquartered in Düsseldorf, 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.

Part of Stadt Coesfeld, Stadtwerke Coesfeld GmbH is a company that sources its electricity from the region. The company is based in Coesfeld, Germany. The German company provides energy services and offers a range of products, including electricity and natural gas. Customers can find information about the company's services on its website, including how to cancel their contracts or inform the company of changes to their living situation. The CEO of the company is Markus Hilkenbach.

WSW Wuppertaler Stadtwerke GmbH operates as a holding company, which engages in the supply of electricity, natural gas, and water. Its business activities also include the management and operation of cable railways and omnibuses. The company was founded in 2007 and is headquartered in Wuppertal, Germany.

WSW Mobil GmbH is a subsidiary of WSW Energie & Wasser AG, which provides electricity, gas, district heating, and energy services to residential and industrial customers in Wuppertal. The company is based in Wuppertal, Germany, and ultimately controlled by the City of Wuppertal (Germany). The German company also offers digital products, infrastructures, platforms, and processes under the umbrella of "WSW Digital - Smart Solutions for Wuppertal". The CEOs of the company are Markus Hilkenbach, Andreas Feicht.

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.

ENGIE Beteiligungs GmbH provides investment services. The private company is based in Berlin, Germany. The CEOs are Marcus Sohns, Thomas Henn. The German company was founded in 2010.

Part of Stadt Borken, Stadtwerke Borken/Westf GmbH is a German company that provides information and services for connecting to their network, adjusting payment installments, and accessing necessary information. The company is based in Borken, Germany. The company also offers a program to save money on the purchase of new electrical appliances. The company was founded in 1865. The CEO is Markus Hilkenbach.