Klaus Schäfer

E.ON Ruhrgas AG distributes gas. It offers gas transmission and storage solutions. Through a long pipeline system, the company supplies natural gas to gas merchant companies, distributors and industrial users in Germany and seven other nations. It also has interests in gas companies in other countries. Its customers comprises of regional companies, local distribution companies, industry and power stations. The company was founded in 1926 and is headquartered in Essen, Germany.

VIAG AG was Germany's 14th largest industrial corporation and one of its leading power utilities. Its activities were split into five groups: energy, telecommunications, aluminum, packaging, and chemicals. VIAG AG fused in the 2000 with the VEBA AG and formed new entity E.ON AG. VIAG AG was established in 1923

R+V Poistovna AS provides insurance services. It offers life and non-insurance products and services in areas such as accident, casualty, property, and reinsurance. The company is headquartered in Bratislava, Slovakia.

E.ON Italia SpA engages in the generation and distribution of electricity and natural gas to residential and commercial customers. The company was founded in 2000 and is headquartered in Milan, Italy.

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.