US and Russia Oil BP: British oil company BP is the largest foreign investor in Russia with a 19.75% stake in the country's national oil company Rosneft. It also holds stakes in several other oil and gas projects in Russia.
ExxonMobil: The American oil giant has more than 1,000 employees in Russia, and has been in the country for over 25 years. Its subsidiary Exxon Neftegas Limited has a 30% stake in Sakhalin-1 — a vast oil and natural gas project located off Sakhalin Island in the Russian Far East. It has operated the project since 1995 on behalf of a consortium that includes Japanese and Indian partners, as well as two affiliates of Rosneft.