Gazprom Neft (Sibneft)
Yukos
Rosneft
LUKOIL
TNK-BP (Rosneft)
Tatneft OJSC
St. Petersburg Fuel Company (PTK)
Circle K
Neste
Shell Neft
Surgutneftegaz
Optan
Orenburgnefteprodukt (Bashneft)
Bashneft