Gazprom Promgaz Research Institute of Natural Gas VNIIGAZ, ). They added the research of coalbed methane, development of small hydrocarbon fields and planning of natural gas supply as new business fields of the company. One of the main operations became the schemes for gas supply of many regions of Russia. In 2008, Promgaz was renamed to OJSC Gazprom Promgaz. In February 2013, professor Yury Spector became CEO. In 2014, the company projected the general scheme for gas supply of Kyrgyzstan. In 2015, Oleg Andreyev became CEO. OJSC Gazprom Promgaz was renamed to JSC Gazprom Promgaz (). The company projected the general schemes
Central Energy Italian Gas Holding Central Energy Italian Gas Holding Central Energy Italian Inc is a gas distribution and trade company. It is a part of the Central Energy ], a company related to Gazprom. A deal between Italian Eni and Gazprom picked CEI as a partner delivering gas to Italy. Investigations by members of the Italian parliament revealed that Bruno Mentasti-Granelli, who is known as a close friend of Italian Prime Minister Silvio Berlusconi, owns 33 percent of CEIGH through two companies, Hexagon Prima and Hexagon Seconda. The deal was denounced due to the spreading scandal. Italian parliament blocked the contract, accusing Berlusconi of