Sergey Korovin

DTEK LLC operates as a privately-held energy company. Its key business segments are coal mining and preparation, electrical power generation, and electrical power sales and supply. The company was founded in 2005 and is headquartered in Kiev, Ukraine.

DTEK Oil&Gas BV is a financial holding company, which engages in the oil and gas industry activities. The company is headquartered in Amsterdam, the Netherlands.

DTEK Oil&Gas LLC owns and operates power distribution facilities. The firm's business areas incudes licence sites, geological exploration, drilling, drilling and conditioning of gas, product sales and trading. The company is headquartered in Kyiv, Ukraine.

DTEK Energy BV operates as a holding company with interests in coal production, electricity generation, and distribution. It operates through the following segments: Coal Mining and Power Generation on Thermal Power Plants, Coal Resale, Electricity Export; Electricity Distribution; Kyivenergo; and Others. The company was founded by Rinat Leonidovych Akhmeto in 2009 and is headquartered in Kiev, Ukraine.

Part of Microsoft Corp., Microsoft Russia OOO is a Russian company that develops, manufactures, and supports software products. The company is based in Moscow, Russian Federation.