Ulrich Wegmann

Evonik Operations GmbH manufactures specialty chemicals. The company was founded on August 23, 2000 and is headquartered in Weatherford, TX.

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.

Deutsche Steinkohle AG provides coal mining services. Its coke coal is used primarily for the production of steel and its hard coal is used for power generation. It operates mines in Northrhine-Westphalia, in the Saarland and a coking plant in Northrhine-Westphalia. The company is headquartered in Herne, Germany.

Part of RAG-Stiftung, RAG Immobilien AG is a German company that provides real estate management services. The company is based in Essen, Germany.

TÜV NORD AG provides testing, inspection, and certification services. It offers seminars, courses, professional development, and in-house training courses in relevant subjects to companies and private individuals. The company was founded in 1869 and is headquartered in Hannover, Germany.

Part of Siemens AG, RAG Informatik GmbH is a German company that provides information technology services. The company is based in Gelsenkirchen, Germany. RAG Informatik was acquired by Siemens AG from RAG Deutsche Steinkohle AG on November 30, 2004.

DBT GmbH manufactures and supplies underground coal mining systems. It offers a range of equipment from hydraulic shield supports, electro hydraulic controls, conveyors, ploughs and shearers to crushers. The company was founded in 1995 and is headquartered in Lunen, Germany.

Part of RAG-Stiftung, Vivawest GmbH is a German company that focuses on the development and value enhancement of their properties. The company is based in Gelsenkirchen, Germany. The company manages over 120,000 apartments in NRW, providing homes for approximately 300,000 people. The company offers a repair service to quickly address emergencies and repairs for their tenants. The company was founded in 2006 and is led by CEOs Claudia Goldenbeld and Haluk Serhat. Vivawest was acquired by RAG AG on June 30, 2015.

Part of Caterpillar, Inc., Caterpillar Global Mining Europe GmbH is a German company that manufactures and distributes mining equipment. The company is based in Lunen, Germany. The CEOs of the company are Johan Masse, Thomas Reuß, Martin Wetter.