Salyan Oil

Samaraneftegaz

Samotlorneftegaz

Sanzhar Oil

Saratov Refinery

Sartransneftegaz

Sator

Sbm Service Center

Scherbinskoe Oil Field

Seef Limited

Selena-Oil

Servis Nafta

Sevedzh

Severo-Varyoganskoye

Shebco

Shelfneftegaz

Shell Plc

Shell Trading Russia BV

Salymsky

Samaratransneft-Holding

Saneco

Saratoil

Sarboz Oil and Gas Refinery

Saryarka-Energy

Saudi Aramco

Scf Petroleum Ag

Seagle Oil Refinery

Seenko Oil and Gas

Selengushpromneft

SevGaz

Severo-Katygyegansky

Shardinskaya Oil Company

Shegarsknefteprodukt

Shell Business Development Central Asia

Shell Trading Rotterdam BV

Shelleks