Maten Petroleum

Maxitrast

Maxtone Energy

Megalite

Megion Geologiya

Menedzhment Invest

Meretoyakhaneftegaz

Metaimpeks

Mgt Oil and Gas Groups

Michurinsky Oil Refinery

Mineral

Mitikas-Oil

Modul

Moneftegas

Moscownn Export

Mpr Terminals

Mungaz Petroleum

Nafta Trading

Matyushkinskaya Vertical Refinery

Maxoil Amk

Md Oil and Gas Consultant Limited

Megaoil

Mellyaneft

Merei Petroleum

Mesaieed Refinery

Metallurg-Tulamash

Miak Nafta Refinery

Mii Holding

Mipp Energooil

Mnkt

Module Siberia

Moon Oil Capital

Mosgazoil

Munay Service

Nafta Engineering

Naftatrast