Joachim Heinrich Rumstadt

STEAG GmbH engages in the planning, development, construction, and operation of power plants and storage facilities. Its services include conventional power generation, energy trading and optimization, district heating, as well as distributed generation. The company was founded in 1937 and is headquartered in Essen, Germany.

Evonik Steag GmbH generates and distributes power. It transports, processes and distributes hard coal, coke and byproducts from coal processing. It builds and operates installations for decentralized energy supply. The company was founded in 1937 and is headquartered in Essen, Germany

Part of RAG-Stiftung, RAG AG specializes in coal mining. The company is based in Essen, Germany. The CEO of the German company is Peter Schrimpf.

Part of STEAG GmbH, Steag Power Saar GmbH (SR) is a German company that operates coal-fired power plants. The company is based in Saarbrücken, Germany.

STEAG New Energies GmbH engages in the development and provision of energy solutions. It distributes electric power, wind power, bioenergy, mine gas, district heat, and geothermal power for energy supply. The company was founded in 1961 and is headquartered in Saarbrücken, Germany.

Iskenderun Enerji Uretim Ve Ticaret AS operates as a coal fired power plant. The firm operates in compliance with international technical standarts and the competitiveness of the plant is secured by design and high availability. The company was founded in 1998 and is headquartered in Ankara, Turkey.

Part of Lhoist SA, Rheinkalk GmbH is a German company that manufactures lime and dolomite stone products. The company is based in Wülfrath, Germany. The CEOs of the company are Michael Liell, Paul Alexander Schipper, Philipp Niemann.