Topic - Naftogaz

, Naftogaz Ukrayiny; 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. - Source: Wikipedia