Rainer Borgmann

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.

Part of Ordu Yardimlasma Kurumu, OYAK Girisim Danismanligi AS provides investment services. The company is based in Istanbul, Turkey.

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.

IZES gGmbH is a research and consulting institute that focuses on energy transition, climate protection, and resource conservation. The private company is based in Saarbrücken, Germany, and was founded in 1999. The CEOs are Michael Brand, Frank Baur, and Friedrich Simson. The German company offers a range of services, including project management, research and development, and consulting. The company works on various projects related to renewable energy, sustainable mobility, and energy efficiency. The company collaborates with other organizations, such as universities and research institutes, to develop innovative solutions for sustainable development.

ENTEGA STEAG Wärme GmbH is a leading energy and infrastructure service provider in Germany, based in Darmstadt, Germany. The German company is headed by CEOs Thomas Billotet and Markus Horn. ENTEGA is one of the largest providers of green energy and climate-neutral solutions in the country. The private company offers job opportunities in the field of energy services and renewable energy for both beginners and experienced professionals.

Gichtgaskraftwerk Dillingen GmbH & Co. KG is a private company that supplies steam and air-conditioning. The company is based in Dillingen, Germany. The CEOs are Markus Lauer, Thomas Billotet, Klaus Blug. The German company was founded in 2006.

Part of RAG-Stiftung, Fernwärme-Verbund Saar GmbH is a company based in Voelklingen, Germany. The CEOs are Jürgen Kirsch, Uwe Louis. Fernwärme-Verbund Saar GmbH provides reliable district heating services in various cities including Gelsenkirchen and Bottrop. The German company's district heating services are known for being climate-friendly, safe, comfortable, and state-subsidized. The company offers an alternative to night storage heaters and gas heating. The company was founded in 1979.

Technischer Überwachungs-Verein Saarland eV engages in the operation of technical testing centers. It specializes in the fields of testing and surveying, consulting, professional training and further training, as well as certification. The company was founded in 1871 and is headquartered in Sulzbach, Germany.

STEAG Energy Services GmbH generates and distributes electricity. It also offers design, construction-related services, operation, and optimization of energy generation facilities. The company is headquartered in Essen, Germany.

Part of Ordu Yardimlasma Kurumu, Akdeniz Kimya AS is a Turkish company that manufactures and sells PVC stabilizers and various industrial chemical products. The company is based in Istanbul, Turkey. Akdeniz Kimya was acquired by OYAK Girisim Danismanligi AS on December 19, 2012 for $280.81 million.

Oyak Anker Bank GmbH is a financial institution that prioritizes transparency, security, and flexibility when it comes to managing their clients' money. The private company is based in Frankfurt, Germany. The CEOs of the German company are R. Emre Yalç?nkaya and Suleiman Erol.

Orfin Finansman AS provides financing services to the customers of Renault and Dacia automobile brands. It offers a range of loans, adjusted interest rates and fees, as well as insurance options for purchase of a new or second-hand vehicle. The company was founded by Doga Soysal and Güney Arik on December 13, 2011 and is headquartered in Istanbul, Turkey.

Oyak Renault Otomobil Fabrikalari AS is a joint venture which engages in the manufacture, distribution, and sales of automobiles and engines. It offers cars under the brand Renault and models Clio IV, Clio Grand Tourer, and Megane Sedan. The joint venture was founded on December 4, 1969 and is headquartered in Istanbul, Turkey.

Ordu Yardimlasma Kurumu provides pension fund for the military officers. It also makes private equity investments. The company is founded on March 1, 1961 and is headquartered in Ankara, Turkey.

Part of Ordu Yardimlasma Kurumu, Ataer Holding AS is a holding group with interests in retirement benefits services.

Part of STEAG GmbH, STEAG 2. The company is based in Essen, Germany. Beteiligungs GmbH is a German company that constructs power plants. The CEOs are Alfred Geissler, Michael Baumgärtner, Wolfgang Cieslik. The company was founded in 2016.

RAG-Stiftung operates as a private foundation. It provides financing services for the perpetual mine management as well as the educational, scientific, and cultural projects related to coal mining in the Ruhr and Saar regions. The company was founded on June 26, 2007 and is headquartered in Essen, Germany.