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Stadtwerke Köln GmbH engages in the supply and distribution of electricity, natural gas, water, and district heating. It also provides river port, transportation, and public transport systems services. The company was founded in 1960 and is headquartered in Cologne, Germany.

Gas-, Elektrizitaets- und Wasserwerke Köln AG supplies power and gas. The company is headquartered in Cologne, Germany.

Part of E.ON SE, rhenag Rheinische Energie AG is a German company that provides energy solutions with almost 150 years of experience in the field. The company is based in Cologne, Germany. rhenag offers an interactive chart to explain the different items on their customers' annual bills, ensuring clarity and understanding. The company's expertise in energy and long-standing tradition in the industry make them a reliable choice for forward-thinking energy solutions.

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.

RheinEnergie AG engages in the production, trading, network operation, as well as distribution of energy and water. Its products include electricity, natural gas, water, district and local heating, as well as steam. The firm also provides energy-related services. The company was founded in 1863 and is headquartered in Cologne, Germany.

Stadtwerke Troisdorf GmbH provides utility services and is ultimately controlled by the City of Cologne. The company is based in Troisdorf, Germany. Stadtwerke Troisdorf was acquired by RheinEnergie AG on April 27, 2005. The German company was founded in 1904. The CEO is Peter Blatzheim.

NetCologne Gesellschaft für Telekommunikation mbH provides telecommunication services. It operates self network telecommunications and provides services in all areas of communications like voice, data and internet. The company was founded on October 31, 1994 and is headquartered in Cologne, Germany.

SWK Stadtwerke Krefeld AG operates as a holding company, which engages in the distribution and supply of electricity, water, gas, and heat. The firm also provides waste disposal and transportation services. It operates through the following segments: Energy, Water, Waste Management, Transportation, and Services. The Energy segment comprises electricity, gas, and heat. The Water segment deals with water and sanitation. The Waste Management segment specializes in waste collection. The Transportation segment offers public transport with buses and trams. The Services segment consists of management, control, and infrastructure. The company was founded in 1990 and is headquartered in Krefeld, Germany.

Bensberger Bank eG provides banking and financial services to individuals and businesses. Its services encompasses foundation support, business financing and credit card issuing. The company was founded in 1927 and is headquartered in Bensberg, Germany.

Part of moderne stadt Gesellschaft zur Förderung des Städtebaues, modernes köln Gesellschaft für Stadtentwicklung mbH is a German company that focuses on urban development. The company is based in Cologne, Germany. The CEOs of the company are Thomas Scheitza, Andreas Röhrig.

Duisburger Verkehrsgesellschaft AG is a transportation company based in Duisburg, DE. Duisburger Verkehrsgesellschaft is a subsidiary of the City of Duisburg and is ultimately controlled by them. The German company provides transportation services to over 165,000 passengers daily within and beyond the city limits. The company's main services include SchokoTicket and KombiTicket, and it has various ticket sales outlets and a customer center. The CEO of the company is Marcus O. Wittig.

Part of TÜV Rheinland Berlin Brandenburg Pfalz eV, TÜV Rheinland Industrie Service GmbH is a company based in Cologne, Germany. The German company specializes in functional safety and offers assessments, certifications, and trainings to improve functional safety and reduce risks. Contact them now to learn more.

Part of Stadt Bergisch Gladbach, Bädergesellschaft der Stadt Bergisch Gladbach mbH is a company that operates swimming pools. Bädergesellschaft der Stadt Bergisch Gladbach mbH is based in Bergisch Gladbach, Germany. The German company was founded in 1997 and has Manfred Habrunner and Bernd Martmann as CEOs.

AggerEnergie GmbH provides environmentally friendly electricity, gas, and water to the region while also supporting social projects. AggerEnergie is based in Gummersbach, DE and ultimately controlled by the City of Cologne. The German company offers reliable natural gas at fair prices for businesses and commercial customers, including small and medium-sized enterprises, industries, and associations. The company encourages customers to switch to regional electricity and become active participants in the energy transition. The company was founded in 1926, and the CEOs are Frank Röttger and Uwe Töpfer.

Brunata Wärmemesser Gesellschaft Schultheiss GmbH & Co. is a company based in Huerth, Germany. The German company provides services to landlords, housing associations, housing companies, and property managers for over seven decades. Brunata-Metrona is a trusted partner in the industry. The company is ultimately controlled by the City of Cologne.

Duisburger Versorgungs- und Verkehrsgesellschaft mbH is a company based in Duisburg, Germany. The company is a subsidiary of another entity, which is ultimately controlled by the City of Duisburg. The company was founded in 1970, and the CEO is Marcus O. Wittig.

GEW Köln AG is a subsidiary of Stadtwerke Köln GmbH and is based in Cologne, Germany. The German company is primarily involved in providing energy services. According to their company description, GEW Köln AG is a subsidiary of Stadtwerke Köln GmbH, which is ultimately controlled by the City of Cologne. Dieter Steinkamp has been the CEO of the company since 2007.

Energieversorgung Leverkusen GmbH & Co. KG (EVL) is a modern energy service provider that offers tailor-made products and comprehensive services to its business customers. The company is based in Leverkusen, Germany and is ultimately controlled by the City of Cologne. The CEOs of the German company are Thomas Eimermacher, Ulrik Dietzler.

Part of Stadt Leichlingen, Stadtwerke Leichlingen GmbH provides natural gas and drinking water services to the Leichlingen market area. The company is based in Leichlingen, Germany. The German company's services include market area conversion, natural gas conversion, conversion to h-gas, conversion from l to h-gas, l-gas, and new natural gas. The company was founded in 1913. The CEO is Frank Steffes.

AWB Abfallwirtschaftsbetriebe Köln GmbH & Co. KG is a waste management and disposal service company based in Cologne, Germany. The CEOs of the German company are Ulrich Gilleßen and Peter Mooren. The company's main focus is on the removal and disposal of waste, street cleaning, and winter services. AWB Abfallwirtschaftsbetriebe Köln GmbH & Co. KG is a subsidiary of Stadtwerke Köln GmbH and ultimately controlled by the City of Cologne.

Rheinische NETZGesellschaft mbH is a network operator that provides secure gas and electricity supply in and around Cologne. The company is based in Cologne, Germany. The German company offers information on network charges, gas prices, special fees, and balancing parameters. The company is a subsidiary of the City of Cologne. The CEOs of the company are Ulrich Groß, Karsten Thielmann.

Gasversorgungsgesellschaft mbH Rhein-Erft is a German energy company that offers the best tariffs for energy contracts to both private and business customers. The company is based in Huerth, Germany. The company's website, gvg.de, provides information on the different tariffs available. The company was founded in 1956 and the CEOs are Werner Abromeit and Phillip Erdle.

moderne stadt Gesellschaft zur Förderung des Städtebaues engages in the implementation of urban development projects. It also specializes in the construction of residential and office buildings. The company was founded in 1968 and is headquartered in Cologne, Germany.

Wohnungsgesellschaft der Stadtwerke Köln mbH is a private company based in Cologne, Germany. The CEOs of the German company are Dirk Kolkmann, Dieter Steinkamp. The company engages in rental and leasing of residential buildings and apartments.

Stadtwerke Lohmar GmbH & Co. KG supplies electricity, natural gas, and water. The company is based in Lohmar, Germany, and has subsidiaries in Germany. The German company was founded in 2011, and the CEOs are Sonja Kreikemeyer and Gregor Laarmann.

RheinEnergie HKW Rostock GmbH provides households and businesses with electricity, gas, water, and heat. The company is based in Cologne, Germany. The German company is a subsidiary of RheinEnergie AG and ultimately controlled by the City of Cologne. The CEO of the company is Dieter Steinkamp.

Stromnetz Bornheim GmbH & Co. KG is a municipal power grid service provider in Bornheim, DE. The private company is a partnership between the city of Bornheim and Rheinenergie, with the former owning 51%% and the latter owning 49%%. The company operates and manages the Rheinische Netzgesellschaft mbH, which provides electricity to households and companies in all Bornheim districts. The German company guarantees a safe, economic, and sustainable power supply to approximately 50,000 inhabitants in private households and businesses. The CEOs of the company are Uta Synder and Ralf Cugaly.

Zoo Duisburg AG operates zoological gardens. The private company is based in Duisburg, Germany.

BRUNATA-METRONA GmbH is a German company that specializes in issuing energy certificates and providing legally compliant billing for efficient administration and communication with tenants and owners. The private company is based in Huerth, Germany and was founded in 1950. The company also offers regular legionella testing and installation and operation of smoke detectors. The CEOs are Norbert Rolf and Oliver Geer. Rental companies, housing associations, housing companies, and property managers have trusted BRUNATA-METRONA for seven decades.

Stadtwerke Pulheim GmbH distributes electric power. The private company is based in Pulheim, Germany. and has subsidiaries in Germany. The CEOs are Jens Batist, Harry Gersabeck. The German company was founded in 2009.

RheinEnergie Trading GmbH is a private company based in Cologne, Germany. The CEOs of the German company are Arndt Robbe, Babette Bruckbauer.