Tsentr Geological Research

Ttm-Sochi

Tungus-Petroleum

Turboservice

Tyumen-Diesel

Ugk

Ukhtageoneft

United Oil and Gas Consulting

Ural Nafta 1

Ural Neft

Uralburneft

Urals Capital

Urfo Diesel

Ushoil Trade

V and P Consulting Group

Varioganneft

Veganeft

Veselovskoe

Tsentrenergo

Tuapseneft and Gas

Turbogaz

Tursunt

Uds Neft

Uk Rusneft

Unes

Ural Company

Ural Nafta 2

Ural Nefteprom

Uralnefteservis

Uralsibsnab

Us Petroleum

Usneft

Valyuninskoe Oil Company

Vector

Veresk

Vestoil