Naftogaz of Ukraine (, Naftogaz Ukrainy; literally "Petro-Gas of Ukraine") is the largest national oil and gas company of Ukraine. It is a state-owned company subordinated to the Government of Ukraine. The vertical-integrated company carries out a complete cycle of exploration operations and development of deposits, operating and exploratory drilling, extraction, transportation, and refinement of natural gas and crude oil, supply of natural and liquefied gas to consumers. Ukraine's system of trunk natural gas pipelines and underground natural gas depots is operated by Ukrtransgaz, a subsidiary of Naftogaz. As of 2009, the company had 38,200 km of high pressure gas transit pipelines and more than 30 billion cubic meters of gas storage capacity. This major gas infrastructure located between Russia and the European Union has led the company to feature prominently in regional politics. Another subsidiary of Naftogaz, Gas of Ukraine, is responsible for domestic gas distribution to the local district heating companies. Naftogaz is a major Ukrainian employer with 68,386 employees (as of 2018). The former PwC management consultant Andriy Kobolyev took over as CEO after the 2014 Ukrainian revolution tasked with reducing the country's dependence on Russian gas and reforming the company's business practices. The group is the largest taxpayer in Ukraine. In 2018, revenues of the group consisted of ₴137 billion of taxes and dividends, which is about 15% of total revenues of the state budget. History 1991–1998: Ukrgasprom After the dissolution of the Soviet Union in 1991, oil and gas industry of Ukraine governed by Derzhnaftogasprom went through number of changes. The National Commission for State Regulation of Energy (NKRE) was giving out certification for gas trading to anyone without order ignoring the Derzhnaftogasprom. Guided by decisions of the First Vice-Prime Minister (on Fuel and Energy Complex) Pavlo Lazarenko, licenses were given to such companies like United Energy Systems of Ukraine (EESU), Intergas, Olgas, International Trading Energy Resources Association (ITERA), Ukrzakordonnaftogas, Ukrgasprom, Motor Sich, and Donetsk Oblast factories (later those formed the Industrial Union of Donbas). In the early 1990s, there was privatization of gas distribution regional network known as "oblgaz" belonging to "Ukrgas". The process took place unnoticed and when Naftogas was constituted, not all privately owned distributors wanted to transfer their own stocks to the statutory fund of the National Joint Stock Company. Along with the gas distribution network in the same way there were privatized enterprises of petroleum products provision including filling station