Michael Wiener

Süwag Energie AG distributes electricity, natural gas and heat. It offers these products and its related services to both private and corporate clients. The company was founded in 2001 and is headquartered in Frankfurt, Germany.

Wintershall Dea International GmbH engages in the exploration, extraction, processing, storage, and marketing of oil, gas, and mineral deposits, including related main and by-products. Its business activities also include the construction and operation of gas piping systems. The company was founded on June 10, 1964 and is headquartered in Hamburg, Germany.

Berliner Wasserbetriebe supplies drinking water. Its core task is to supply residents of Berlin and the surrounding area with drinking water and dispose of their wastewater. It operates water works and also provides sewerage services. Not only does it perform conventional wastewater treatment at its wastewater treatment works, but has also equipped the majority with biological nutrient elimination facilities, to maintain the quality of Berlin's lakes and rivers. The company was founded in 1992 and is headquartered in Berlin, Germany.

Berlinwasser Holding GmbH provides water services. The firm engages in disposal and treatment of wastewater. The company was founded in 2000 and is headquartered in Berlin, Germany.

Essent NV engages in the supply of electricity, gas, and heat to consumers and corporations. It offers electricity generated through biomass, wind energy, combined heat and power plants. The company was founded in 1999 and is headquartered in ’s-Hertogenbosch, the Netherlands.

Interbrew Deutschland Holding GmbH operates as a holding company with interest in producing and distributing beers and malted beverages. The company was founded in 1526 and is headquartered in Bremen, Germany.

Ravensburger AG engages in the development, publishing, and production of children's games and leisure items. Its product portfolio includes wooden toys, children's books, playing cards, puzzles, and board games. The firm was founded by Otto Robert Maier in 1883 and is headquartered in Ravensburg, Germany.

Part of RWE AG, RWE Trading GmbH is a German company that trades in physical energies and derivative products. The company is based in Essen, Germany.

DNV GL Netherlands BV engages in the provision of energy consulting, testing and certification services. It offers strategy and planning, operational support, measurements, inspections, and certifications. The company is headquartered in Arnhem, the Netherlands.

envia Mitteldeutsche Energie AG operates as an investment holding company which focuses on the electricity distribution, gas, water supply, and telecommunications sectors. The company was founded in 1999 and is headquartered in Chemnitz, Germany.

Stabilus GmbH engages in the manufacture of electromechanical drives, gas springs and dampers. It operates through the following segments: Automotive, Swivel Chair and Industrial. The firm products include locking and non-locking gas spring, swivel chair gas spring, dampers, automatic drive systems and configuration systems. The company was founded in 1934 and is headquartered in Koblenz, Germany.

Stadtwerke Duisburg AG provides utility services and is ultimately controlled by the City of Duisburg. The company is based in Duisburg, Germany. The German company was founded in 1854. Marcus O. Wittig has been the CEO of the company since 2012.

Essent Nederland BV produces and generates energy. The company is headquartered in s-Hertogenbosch, the Netherlands.

Global Sustainable Electricity Partnership operates as a non-profit international organization. It manages, designs, operates and maintains renewable energy projects. The company was founded in 2001 and is headquartered in Montréal, Canada.

Part of RWE AG, RWE Supply & Trading GmbH is a German company that produces clean, secure, and affordable electricity while pursuing a clear goal of reducing CO2 emissions. The company is based in Essen, Germany. The company is also advancing storage and energy technologies globally.

RWE Veolia Berlinwasser Beteiligungs GmbH is a holding private company based in Berlin, Germany with interests in water supply.

NET4GAS sro provides natural gas distribution and transmission services. It also provides maintenance, dispatching and diagnostics services. The company was founded in 2006 and is headquartered in Prague, Czech Republic.

Part of Eko2 GmbH, Koblenzer Elektrizitätswerk & Verkehrs AG provides a range of services including 100%% green electricity, natural gas, heat, solar systems, e-mobility, and more. The company is based in Koblenz, Germany. The German company offers comprehensive on-site advice in 14 customer centers. Koblenzer Elektrizitätswerk & Verkehrs was acquired by Eko2 GmbH from RWE AG on December 21, 2012 for $291.21 million.

Part of RWE AG, RWE IT GmbH is a German company that provides information technology services. The company is based in Essen, Germany. Marcus Schaper has been the CEO of the company since 2016.