Hannsgeorg Schönig

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.

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.