A. B. Wilhelm Reutersberg

Saar Ferngas AG produces and distributes gas. The company develops, exploits, explores and produces oil and gas properties in Germany. It deals with power generation, gas distribution, decentralized energy supplies, district heating and coal trading. Saar Ferngas was founded in 1929 and is headquartered in Saarbrucken, Germany.

Part of E.ON SE, E.ON Czech Holding AG is a holding German company with interests in energy companies. The private company is based in Munich, Germany.

Vaillant Deutschland GmbH & Co. KG provides heating technology products. Its product are based on gas, oil, electricity and solar energy. The firm's products include hot water boilers, electric & heating appliances, water heaters, storage tanks, solar systems, heat pumps, air conditioning units and photovoltaic systems. Vaillant Deutschland was founded in 1874 by Johann Vaillant and is headquartered in Remscheid, Germany.

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.

Part of E.ON SE, E.ON Benelux BV generates and distributes electricity and provides gas, district heating, and water services to industrial, commercial, and residential customers. The private company is based in Rotterdam, Netherlands.

Henkel Loctite Corp. provides engineering adhesives, sealants, and coating products. Its products include glue, epoxies, threadlockers, construction and spray adhesives, sealants, and foam. The company was founded on May 18, 1988 and is headquartered in Philadelphia, PA.

E.ON Energie AG is a provider of energy services. Most of its activities are concentrated in the countries of Central Europe and Central Eastern Europe. It's power stations in Germany and abroad generate electricity and, in some cases, district heating, and have a total installed capacity of some 27,000 megawatts (MW). It's German nuclear subsidiary, E.ON Kernkraft, owns / co-owns 12 reactors in Germany's Bavaria, Lower Saxony, and Schleswig-Holstein regions, with a net installed capacity of about 8,500 MW

Part of E.ON SE, E.ON Sales & Trading GmbH is a German company that distributes energy services. The private company is based in Munich, Germany.

Joh. Vaillant GmbH & Co. KG engages in the manufacture and distribution of heating, ventilation, and climate control systems. Its products include floor-standing boilers, wall-mounted heat generators, heat recovery ventilation systems, heat reservoirs, and air handling units. The company is headquartered in Haan, Germany.

Part of E.ON SE, E.ON France SAS functions as an investment holding French company. The private company is based in Paris, France.

Viesgo Infraestructuras Energeticas SL engages in the generation, distribution, and sale of electricity and gas. It employs a network of wind farms, hydrothermal, coal-fired, and biomass plants. The company was founded by Fernando Villaamil Iglesias and Luis Castillo Gogorza in 1906 and is headquartered in Madrid, Spain.

Magyar Földgázkereskedo Zrt. engages in the trade of natural gas. It offers supply and distribution services. The company was founded on October 16, 2000 and is headquartered in Budapest, Hungary.