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Zentrale Beteiligungsgesellschaft der Stadt Mainz mbH is a holding private company that unites various city-related sectors such as city marketing, education, and social services. The company is based in Mainz, Germany, and is actively seeking talented individuals to support the future of the city. The ZBM-Konzern group of companies works towards the development of the city, with the ZBM providing support and ensuring effective communication and transparency within the group. The CEOs of the German company are Günter Beck, Daniel Gahr.

ESWE Versorgungs AG engages in the provision of utility services. Its primary business is the distribution of electricity, natural gas and water to its customers. It also provides transportation services. The company was founded on April 16, 1930 and is headquartered in Wiesbaden, Germany.

mainzplus CITYMARKETING GmbH is a private company based in Mainz, Germany that combines Mainz Congress, Mainz Tourism, and Mainz Culture to promote Mainz as a destination for tourism, culture, and conferences. The German company provides event venues such as the Rheingoldhalle, Electoral Palace, and Frankfurter Hof in the Old Town. The company was founded in 2012 and is led by CEOs Marc André Glöckner and Katja Mailahn.

Wohnbau Mainz GmbH is a real estate company that specializes in the development, construction, and management of residential and commercial properties. The company is based in Mainz, Germany. The German company is a subsidiary of Mainzer Stadtwerke AG, which is ultimately controlled by the State of Mainz. The company was founded in 1917 and is currently led by CEOs Franz Ringhoffer and Thomas Will.

Thüga Holding GmbH & Co. KGaA is a private company based in Munich, Germany. Thüga Holding GmbH & Co. KGaA creates added value and is supported by the subsidiary companies of the Thüga Group. The German company offers a unique solution world. The company was founded in 2009 and the CEO is Michael Riechel.

Part of Mainzer Stadtwerke AG, Mainzer Wasserkraft GmbH is a company based in Mainz, Germany. The CEOs of the German company are Stephan Krome, Tobias Brosze.

Mainzer Fernwärme GmbH is a subsidiary of Mainzer Stadtwerke AG and has been providing district heating services in Mainz since 1960. The German company offers information on district heating services, including billing and maintenance costs, on their website.

WIVERTIS Gesellschaft für Informations engages in the provision of information technology and telecommunications services. It focuses on private-sector firms and public administrations. The company is headquartered in Wiesbaden, Germany.

SEG Stadtentwicklungsgesellschaft Wiesbaden mbH is a municipal company that provides complete services for the regional real estate industry. The company is based in Wiesbaden, Germany. The German company is active in different fields of the real estate industry, including urban development project development, real estate management, and urban renewal & living space funding. The company is ultimately controlled by the City of Wiesbaden. The CEOs are Roland Stöcklin, Andreas Guntrum. The company was founded in 1996.

Qioptiq Photonics GmbH & Co. KG engages in the development and production of precision-optic, mechanical, and electromechanical components, instruments, and systems. Its products are used in the fields of medical technology, life sciences, industrial manufacturing, defense, aerospace, as well as research and development. The company was founded on January 31, 2001 and is headquartered in Goettingen, Germany.

Windpark Rheinhessen I GmbH & Co. KG generates electric power. The private company is based in Mainz, Germany. The CEOs of the German company are Stephan Krome, Christoph Zeis.

Überlandwerk Groß-Gerau GmbH is an electricity distribution company based in Gross-Gerau, Germany, with subsidiaries in Germany. The private company distributes electricity. The CEO of the company is Jürgen Schmidt.

Mainzer Wärme PLUS GmbH is based in Mainz, Germany. Part of Mainzer Stadtwerke AG, Mainzer Wärme PLUS GmbH is a German company that supplies heat and electric power. The company was founded in 2014. The CEO is Hartenfels Klaus.

Staatstheater Mainz GmbH operates theatres and is ultimately controlled by the State of Rhineland-Palatinate. The company is based in Mainz, Germany.

Gas-Union GmbH engages in the production and supply of natural gas. The firm operates through the following segments: Sales, Trading, and Services; Networks; Storage; and Upstream. The Sales, Trading, and Services segment focuses on product procurement, sales, distribution, and risk management processes. The Networks segment refers to product transport. The Storage segment is reponsible for technical storage and services. The Upstream segment specializes in gas exploration. The company was founded in 1961 and is headquartered in Frankfurt, Germany.

Part of Mainzer Stadtwerke AG, RIO Energie Verwaltungs GmbH engages in planning, construction, financing and operation of wind turbines. The company is based in Mainz, Germany. The CEOs of the German company are Stephan Krome, Mathias Zeiss.

Part of ENCAVIS Technical Services GmbH, Solarpark Elmenhorst GmbH & Co. KG generates and distributes solar electricity. The company is based in Mainz, Germany. The CEOs of the German company are Mathias Zeiss, Stephan Krome.

Thüga AG operates as a holding company with interests in the energy and water sectors. It provides consulting services with its technical know-how and market assessments to partner companies, as well as ensures the financial support of municipal enterprises. The company was founded by Theodor Weigel in November 1867 and is headquartered in Munich, Germany.

Part of ENCAVIS Technical Services GmbH, Solarpark Tutow II GmbH & Co. KG is a German company that manufactures solar heat collectors. The company is based in Mainz, Germany. The CEOs of the company are Mathias Zeiss, Stephan Krome.

badenova AG & Co. KG engages in the distribution and supply of natural gas, electricity, district heating, and water. Its services also encompass power generation, installation, as well as mobility and electric utilities. The company was founded in 2001 and is headquartered in Freiburg, Germany.

pfalzwind GmbH provides wind electric generation services. The company is based in Ludwigshafen, Germany. The CEOs of the German company are Michael Hammling and Stephan Krome.

Part of Mainzer Stadtwerke AG, Mainzer Erneuerbare Energien GmbH specializes in the planning, construction, and operation of renewable energy sources such as solar, wind, and hydro power. The company is based in Mainz, Germany. The CEOs of the German company are Stephan Krome, Mathias Zeiss.

Stader Versorgungs und Bädergesellschaft mbH is a company based in Stade, DE. It is ultimately controlled by the City of Stade (Germany). The German company provides services related to energy supply and public baths. The company was founded in 1991 and is led by CEO Christoph Born.

Stadtwerke Pirmasens Versorgungs GmbH provides and distributes power, gas and water. The company was founded in 1874 and is headquartered in Pirmasens, Germany.

DREWAG - Stadtwerke Dresden GmbH is an energy supplier based in Dresden, DE. DREWAG - Stadtwerke Dresden is ultimately controlled by the City of Dresden. The German company focuses on customer satisfaction and encourages customers to choose them as their energy provider. The CEO of the company is Frank Brinkmann.

Energie Schwaben distributes natural gas and bio natural gas. It also provides electricity and bio-electricity to private and corporate customers. The company was founded in 1952 and is headquartered in Augsburg, Germany.

Erdgas Südbayern GmbH engages in the supply of natural gas and electricity to private and corporate clients. Its business activities also include portfolio management, operation of energy networks, and generation of energy. The company was founded in 1962 and is headquartered in Munich, Germany.

Stadtwerke Stade GmbH provides waste management services and is ultimately controlled by the City of Stade (Germany). The company is based in Stade, Germany. The CEO of the German company is Christoph Born.

Stadtwerke Villingen-Schwenningen GmbH provides natural gas, water and electricity distribution services. It provides products and services to residential, commercial and industrial sectors. The firm also provides energy consulting services such as energy performance certificate, heating and funding advice, remediation roadmap thermograph and energy saving tips. The company was founded in 1972 and is headquartered in Villingen, German.

Stadtwerke Frankenthal GmbH engages in the distribution and supply of electricity, natural gas, water, and heat. It also operates a swimming pool, beach pool, sauna, car park, and underground car park. The company is headquartered in Frankenthal, Germany.

RIO Windkraft GmbH & Co. KG generates electric power. The private company is based in Mainz, Germany. The CEOs of the German company are Stephan Krome, Mathias Zeiss.