Joint Stock Company "National Company "KazMunayGas" engages in the development, exploration, production, refining, transportation, and sale of hydrocarbons in the Republic of Kazakhstan and internationally. It operates through three segments: Exploration and Production of Oil and Gas; Oil Transportation; and Refining and Trading of Crude Oil and Refined Products. The company is involved in the production of crude oil, and gas and refined products; transportation, refining, and marketing of oil products; and provision of drilling services. In addition, the company involved in designing, construction, and maintenance of oil and gas pipeline and field infrastructure. The company was founded in 2002 and is based in Nur-Sultan, Kazakhstan.