Herbert Egner

Mainzer Stadtwerke AG engages in the supply and distribution of electricity, district heating, gas, and water. It also provides internet and network services, such as Mainzer Internet, Mainzer Ethernet, Mainzer WLAN, and Mainzer Cloud. The company was founded in 1971 and is headquartered in Mainz, Germany.

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.

Grundstücksverwaltungsgesellschaft der Stadt Mainz mbH is based in Mainz, Germany. The company, Grundstücksverwaltungsgesellschaft der Stadt Mainz mbH, constructs and manages commercial and residential buildings and roads. It is ultimately controlled by the City of Mainz. It was founded in 1991 and the CEO is Franz Ringhoffer.

Mainzer Aufbaugesellschaft Mit Beschränkter Haftung (MAG) is a German company based in Mainz, DE, and has subsidiaries in Germany. MAG specializes in the development and realization of significant urban projects in Mainz and the Rhein-Main metropolitan region. The company provides professional and innovative services to both private and municipal clients. MAG's core competencies include project development, project management, and consulting services. The company's projects range from residential and commercial properties to special-purpose buildings such as schools and sports halls. MAG's mission is to create space that enhances the quality of life for people in the region. The company was founded in 1966, and the CEOs are Martin Dörnemann and Christian von der Lühe.

Mainzer Bürgerhäuser GmbH & Co. KG is an event location based in Mainz, DE. The private company's description states that it is an event location with event rooms that can be rented for various occasions. The German company offers event rooms for different occasions that can be rented. The CEO of the company is Günter Beck.