Thomas Ziermann

Dussmann Stiftung & Co. KGaA operates as a holding company with interests in service companies. It focuses on services in the areas of infrastructural and technical facility management, catering, as well as support and medical care for senior citizens. The company was founded by Peter Dussmann in 1963 and is headquartered in Berlin, Germany.

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.

Wartburg-Sparkasse is a credit union based in Germany. The CEO of the German company is Tino Richter.

Bundesverband der Deutschen Energie und Wasserwirtschaft eV supplies and generates gas, electricity and bio power. The private company is based in Berlin, Germany.

KEBT Kommunale Energie Beteiligungsgesellschaft Thüringen AG is a private company based in Erfurt, Germany. The German company provides investment services in the energy sector.

OKV-Ostdeutsche Kommunalversicherung AG is a German mutual insurance company that specializes in providing insurance services to municipalities, public bodies, and public utility companies. The company is based in Berlin, Germany. The company offers a range of insurance products, including building, inventory, and liability insurance, as well as cyber-risk, legal protection, and accident insurance. Jürgen Meier has been the CEO of the company since 2017.

GASAG AG engages in the supply and distribution of electricity and natural gas. It also provides renewable energy solutions and services. The company was founded on January 1, 1847 and is headquartered in Berlin, Germany.

Gesellschaft der kommunalen Strom-Aktionäre in Thüringen mbH is a management services company based in Erfurt, Germany. The German company provides management services. The private company was founded in 1997. Stefanie Preikschat has been the CEO of the company since 2012.

KARL WEISS Technologies GmbH is a German company that specializes in civil engineering and classical piping and sewer construction. The private company is based in Berlin, Germany.

Kommunale Dienstleistungs-Gesellschaft Thüringen mbH is a private company based in Erfurt, Germany. The German company provides technical, physical, and chemical services. The CEO of the company is Stefanie Preikschat.

Part of SWE Stadtwerke Erfurt GmbH, Swe Energie GmbH distributes electricity and gas. The company is based in Erfurt, Germany. The CEO of the German company is Karel Schweng.

Eisenacher Versorgungs-Betriebe GmbH (evb) engages in the distribution and supply of electricity, natural gas, and district heating. The company was founded in 1991 and is headquartered in Eisenach, Germany.

Verwaltungs- und Baugesellschaft mbH Waltershausen is a company that manages its own residential properties and provides property management services for third-party rental and ownership properties. The company is ultimately controlled by the Town of Waltershausen (Germany). The company is based in Waltershausen, Germany. The German company also assists with transportation during moves, minor repairs, furnished guest apartments, apartment cleanouts, and community spaces. The company was founded in 1993. The CEO is Ulrike Göring.

Energieversorgung Inselsberg GmbH supplies electricity, natural gas, and water. The company is ultimately controlled by the Town of Waltershausen (Germany). The company is based in Waltershausen, Germany. The CEO of the German company is Sandra Fröhlich.