Public Joint Stock Company Gazprom, an integrated energy company, engages in the geological exploration, production, processing, storage, transportation, and sale of gas, gas condensates, and oil in Russia and internationally. The company operates through Production of Gas, Transportation of Gas, Distribution of Gas, Gas Storage, Production of Crude Oil and Gas Condensate, Refining, and Electric and Heat Energy Generation and Sales segments. It also produces coalbed methane; and owns Unified Gas Supply System, a gas transmission system totaling approximately 172,600 kilometers that comprises 254 compressor stations with a total capacity of 47,100 megawatts in Russia. In addition, the company operates underground gas storage facilities; operates oil refining and petrochemical complexes; generates and sells electric and heat energy; produces and markets liquefied natural gas; and produces other goods, as well as provides other works and rendering of other services. Public Joint Stock Company Gazprom was founded in 1993 and is headquartered in Moscow, Russia.