Roland Spieß

STEAG GmbH engages in the planning, development, construction, and operation of power plants and storage facilities. Its services include conventional power generation, energy trading and optimization, district heating, as well as distributed generation. The company was founded in 1937 and is headquartered in Essen, Germany.

Dortmunder Stadtwerke AG provides urban development and transportation services for the city of Dortmund. The firm, through its subsidiaries, also provides energy and telecommunication services. The company was founded on June 18, 1857 and is headquartered in Dortmund, Germany.

Stadtwerke Schwerte GmbH provides gas and electricity distribution services. The company is headquartered in Schwerte, Germany.

EDG Entsorgung Dortmund GmbH provides solid waste collection system services. The company offers a comprehensive service in the areas of waste management, street cleaning and winter maintenance. In addition, a number of benefits come to the prevention, recovery and disposal of waste, such as targeted and individual counseling for households and businesses, the separate collection of recyclable and pollutants, the separate treatment of organic matter (compost) and the environmentally sound disposal of waste materials. The company was founded in 1997 and is headquartered in Dortmund, Germany.

Wasser & Gas Westfalen GmbH provides gas and water services. The company was founded in 2003 and is headquartered in Bochum, Germany.

Wasser und Gas Westfalen GmbH & Co. Holding KG operates as a holding company of businesses with focus on water, natural gas and energy supply. The company is based in Bochum, Germany.

WV Energie AG operates offshore wind farms. It provides energy management services and manufactures electronic meters. The company was founded in 1904 and is headquartered in Bad Vilbel, Germany.

KEB Holding AG is a German company that provides securities brokerage services. It is based in Muenster, Germany and ultimately controlled by the City of Dortmund. The company was founded in 2002.

PricewaterhouseCoopers GmbH Wirtschaftsprüfungsgesellschaft engages in the provision of auditing and consulting services. It offers audit and audit-related services, tax and legal advice, as well as deals and consulting. The company was founded on October 25, 2016 and is headquartered in Frankfurt am Main, Germany.

Dortmunder Energie- und Wasserversorgung GmbH provides energy services including electricity, gas, heat, water, and electric mobility in Dortmund, DE. The company also has a special BVB Stromtarif for Borussia Dortmund fans. The German company offers attractive deals for its customers, including discounts, tickets for exclusive events, and more. The CEOs are Heike Heim and Matthias Klein-Lassek. The company was founded in 1995 and is ultimately controlled by the City of Dortmund.

SWM Services GmbH provides electricity, water, transportation and municipal services. The company is headquartered in Munich, Germany.

Flughafen Dortmund GmbH is an airport located in Dortmund, Germany that offers affordable flights and parking options. The airport provides easy access to various destinations with short distances and low prices. The German company was founded in 1926 and is currently led by CEO Ludger van Bebber.

Part of Maerkischer Kreis, Amk Abfallentsorgungsgesellschaft des Märkischen Kreises mbH is a waste disposal company based in Iserlohn, Germany. The CEOs of the German company are Kristian Kassebohm, Ralf Giesselmann, Jurgen Willing. The company offers waste collection, thermal recycling, landfill, green and organic waste, electricity and district heating services. The company has a waste-to-energy plant in Iserlohn, a landfill in Lüdenscheid, and a biogas plant in Witten. The company also provides environmental news, press releases, factory tours, career training, and vacancies. The company accept waste from various cities in the region and offer assistance management for inquiries.

Wasserwerke Westfalen GmbH is a German water treatment company that provides drinking water to 1.5 million people in the southern Münsterland, middle and eastern Ruhr area, and northern Sauerland. The company prepares water from the Ruhr river in its six waterworks located between Wickede (Ruhr) and Witten. The company is based in Schwerte, Germany and was founded in 2001. The company ensures the quality and freshness of the drinking water and also focuses on environmental management and cooperation with agriculture and energy companies. Wasserwerke Westfalen is a subsidiary of the City of Dortmund. The CEOs are Bernd Heinz and Bernhard Klocke.

Dortmund Hafen AG is a company based in Dortmund, Germany that was founded in 1895. However, it is known that the German company is ultimately controlled by the City of Dortmund.

DOGEWO Dortmunder Gesellschaft für Wohnen mbH is a company based in Dortmund, Germany. DOGEWO21 is a subsidiary of the German company and ultimately controlled by the City of Dortmund. The company's main focus is on providing housing solutions and promoting community engagement through their neighborhood agencies. The company offers various channels for their customers to request repairs or submit inquiries, including mobile, PC, service offices, and phone. DOGEWO21 also provides a wide range of housing options for individuals looking for a new home. The company was founded in 1918 by Hans Strobel and the CEO is Klaus Graniki.

Westfalenhallen Dortmund GmbH operates the trade fair venues. It offers venues for public and trade fairs, rousing events, world championships or congresses and conferences. The company is headquartered in Dortmund, Germany.

TechnologieZentrumDortmund GmbH operates an IT park. The private company is based in Dortmund, Germany. The CEO of the German company is Guido Baranowski.

Part of E.ON SE, Westnetz GmbH is a German company that supplies electricity and gas. The company is based in Dortmund, Germany.

Dortmunder Stadtwerke Beteiligungsgesellschaft mbH provides investment services and is ultimately controlled by the City of Dortmund. The company is based in Dortmund, Germany. The CEOs are Jörg Jacoby, Guntram Pehlke. The German company was founded in 2006.

Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.

Westenergie AG engages in the planning, construction, operation, maintenance, acquisition, marketing, and utilization of network facilities and other transport, storage, and distribution systems used for electricity, natural gas, district heating, and water. These also include water management plants and information transfer facilities. The company was founded on May 3, 2016 and is headquartered in Essen, Germany.

Konzerthaus Dortmund GmbH provides acoustical facility for concerts. It offers classical, jazz, world music, and pop. The company was founded in September 2002 and is headquartered in Dortmund, Germany.