Here are the 5 biggest Russian oil companies
As the world's third-largest oil producer and second-largest natural gas producer, Russia is home to some of the biggest integrated oil and gas companies in the world. In fact, Russia's biggest companies by oil production volume include several mainstays on lists of the world's biggest companies. All of Russia's largest oil companies maintain substantial upstream and downstream oil and gas operations, including sprawling exploration and production divisions, petroleum refineries and petrochemical plants, and retail service stations. The top five oil companies are ranked here according to oil production volume in 2014, the most recent year for which figures are available. 1. Rosneft Rosneft is Russia's biggest oil company, with reported production of about 1.5 billion barrels in 2014. The company also ranks as Russia's third biggest natural gas company, with production amounting to more than 345 million barrel of oil equivalents (BOE). Rosneft has a market capita...