Abstergo Vostok

Adashneft

Adon Gaz

Agro-Gas

Ags-Oil

Akhmad Kadyrov Oil Trading Incorporation

Aleksey Holdings

Alfa Service

Alfa-Petrospekt

Alimov Petroleum

Alliance Consulting

Alneft

Amadeus Trading

Amurneftegaz

Angara Nnb

Anstella Trading

Ao-Npek Oil

Aranzal Oil

Ace Global

Adm-Resurs

Agl Nafta

Agroselkhozservis

Akbit

Al Oilservice

Alfa Alliance

Alfa-Oil

Aliansprom

Alliance

Alliance Oil Company

Alroy Oil

Ams-Service Group

Anelka Trading

Angoil

Antis

Apeks

Arctoil