Olaf Groth

VNG AG wholesales and distributes natural gas. It focuses on the four key business areas of exploration and production, trading and services, transport, and storage. The firm offers gas related, energy industry services, training and advice and marketing services. The company was founded on June 29, 1990 and is headquartered in Leipzig, Germany.

WEMAG AG engages in the generation and distribution of electricity and natural gas. It operates wind turbines, photovoltaic plants, and biogas facilities. The firm also provides fiber-optic Internet services. The company was founded in 1990 and is headquartered in Schwerin, Germany.

Part of Stadt Halberstadt-Verwaltung, Halberstadtwerke GmbH is an energy service provider based in Halberstadt, Germany. The German company offers a range of services including electricity, gas, water, and heat supply, as well as energy consulting and e-mobility solutions. Halberstadtwerke also provides a customer portal for managing personal data and contracts, and a 24/7 emergency hotline for power outages. The CEO of the company is Rainer Gerloff.

Kom9 GmbH & Co. KG supplies electricity. The private company is based in Freiburg, Germany. The CEOs are Wolfgang Höffken, Axel Sträter. The German company was founded in 2009.

Dr. Tasler & Partner - Immobilien-Projekt GmbH is a German company that provides real estate services. The private company is based in Rostock, Germany. The company was founded in 1994. The CEO is Klaus-Peter Tasler.

RVV Rostocker Versorgungs- und Verkehrs-Holding GmbH is a group of companies that provides electricity, gas, district heating, public transport, waste, goods handling, tourism, and business development services to the residents and guests of the Hanseatic and university city of Rostock, DE. The German company's subsidiaries are controlled by the Hansestadt Rostock. The company was founded in 1995 by Werner Pinnow, and the CEOs are Oliver Brünnich and Yvette Hartmann.

Stromnetz Hamburg GmbH produces and distributes electricity and is ultimately controlled by the City of Hamburg. The company is based in Hamburg, Germany. Founded in 1894.