Axel Maria Wietfeld

Uniper Energy Storage GmbH provides gas storage services. The company is headquartered in Essen, Germany.

RAG-Beteiligungs AG engages in the holding and management of shares in Rohöl-Aufsuchungs Aktiengesellschaft (RAG) in the interest of its shareholders, as well as participation in energy projects. The company was founded on December 22, 1993 and is headquartered in Maria Enzersdorf, Austria.

Uniper UK Ltd. is an energy procurement company that focuses on providing reliable and market-oriented energy supply solutions for electricity and gas. Uniper UK Ltd. is based in Birmingham, UK and was founded in 1993. Uniper was acquired by E.ON UK Plc on 2005-07-01 and is ultimately controlled by the Government of Germany. The British company believes in strong and sustainable partnerships with their suppliers and offer tailored solutions for their business. Uniper's flexible delivery concepts in the sub-balance sheet account allow them to sell gas, electricity, and energy-related services to municipal utilities, energy partners, and industrial customers.

ONEO GmbH & Co. KG engages in the production and distribution of petroleum and natural gas, as well as the generation and storage of renewable energies. It specializes in exploration and production, geothermal energy and sustainable utilization, and production principles. The firm also operates storage facilities for oil and gas. The company was founded in 2018 and is headquartered in Hannover, Germany.