A+A GROUP OF COMPANIES

AZERBAIJAN

ADA OIL

KAZAKHSTAN

ALLIANCE DRILLING

RUSSIA

ALTIUS PETROLEUM

KAZAKHSTAN

ANGLO ALBANIA

ALBANIA

ARAL PETROLEUM

KAZAKHSTAN

ARMAN JV LLP

KAZAKHSTAN

ASTRA STAR LLP

KAZAKHSTAN

BELARUSNEFFT

BELARUS

BURREN RESOURCES

TURMKENISTAN

BUZACHI OPERATING COMPANY

KAZAKHSTAN

CANDIAN PETROLEUM ENGINEERING

CANADA

CASPINEFT TME

KAZAKHSTAN

CASTING

KAZAKHSTAN

CATKAZ

KAZAKHSTAN

CHERNOGOSKOYA

RUSSIA

COLBERT

RUSSIA

COMTECH GASFLOT

RUSSIA

DELTA ALLIANCE

KAZAKHSTAN

DEVON CANADA CORP.

CANADA

DUBLIN PETROLEUM

SYRIA

EURASIA DRILLING COMPANY

RUSSIA

FINN SA

POLAND

FIOC ( FIRST INTERNATIONAL OIL CORP. )

KAZAKHSTAN

FRAVA

ITALY

FRONTIER DRILLING

CANADA / USA

HI-ARCTIC ENERGY SERVICES

UNITED ARAB EMIRATES

KARAKUDUK MUNAI

KAZAKHSTAN

KARASU OPERATING COMPANY

AZERBAIJAN

KARAZHANBASMUNAI ( KBM )

KAZAKHSTAN

KAZGERMUNAI JV ( KGM )

KAZAKHSTAN

KAZMUNAIGAS

KAZAKHSTAN

KENSARY ( MEERBUSCH LLP )

KAZAKHSTAN

KOM MUNAI

KAZAKHSTAN

KAM ( KUATAMLONMUNAI LLP JV )

KAZAKHSTAN

KOA (KAZAKHOIL AKTOBE )

KAZAKHSTAN

KTS CONSULTING

RUSSIA

KUTT TOO

KAZAKHSTAN

LANCASTER PETROLEUM (KKM OC)

KAZAKHSTAN

LARCHFORD

UNITED KINGDOM

LUKOIL

RUSSIA

MAERSK OIL

KAZAKHSTAN

MAGNAFLO

CANADA

MB PETROLEUM SERVICES

SULTANATE OF OMAN

MEDITERANEAN INTERNATIONAL

KAZAKHSTAN / USA

MENDERES GEOTHERMAL

TURKEY

MIDMAR ENERGY GROUP

UNITED KINGDOM

MONTAZHSPECTROL

KAZAKHSTAN

NABORS DRILLING

KAZAKHSTAN

NATIONAL DRILLING COMPANY ( NDC )

RUSSIA

NEWCO WELL SERVICES

RUSSIA

NOBEL OIL

AZERBAIJAN

NORTH BUZACHI

KAZAKHSTAN

OGEC ( CRACOW )

POLAND

OILEX

INDIA

OTO TECHNOS

KAZAKHSTAN

PEBERMAT

CUBA

PECHORANEFT

RUSSIA

PETRO ALLIANCE SERVICES

RUSSIA

PETROKAZAKHSTAN

KAZAKHSTAN

PETROM

KAZAKHSTAN

PETROTIME

KAZAKHSTAN

PLAST JSC

UKRAINE

POLAR LIGHTS COMPANY

RUSSIA

PM LUCAS ENT. LTD.

KAZAKHSTAN

PRIME OIL & GAS COPORATION

UNITED ARAB EMIRATES

PSYTECH

KAZAKHSTAN

R-CAN (NEWCO/TRICAN)

RUSSIA

RIGCO

RUSSIA

ROMPETROL S.A

ROMANIA

RUDIS

UKRAINE

SAGIZ PETROLEUM

KAZAKHSTAN

SAKHALIN ENERGY

RUSSIA

SALYAN

AZERBAIJAN

SAMEK INTL.

KAZAKHSTAN

SANTOS LTD.

AUSTRALIA

SCHLUMBERGER

RUSSIA

SEFBACS

RUSSIA

SEVERTEK

RUSSIA

SHIRVAN OIL

AZERBAIJAN

SIGMA  COMPLECT

KAZAKHSTAN

SONAR COMPEKT UZEN

KAZAKHSTAN

STS SUPPLY

RUSSIA

SUN DRILLING

KAZAKHSTAN

TENGICHEVROIL

KAZAKHSTAN

TOO ECOGEONEFTEGAS

KAZAKHSTAN

TURKISH PETROLEUM INT. COMP. ( TPCI )

KAZAKHSTAN

TURKMENEFT

TURKMENISTAN

UGNEFTEMASH

RUSSIA

URALS ENERGY

RUSSIA

VALNEFT

RUSSIA

VANYOGANEFT

RUSSIA

VTK (EASTERN TRANSPORTATION COM.)

RUSSIA

WADI RAMA CO.

LIBYA

ZAO SAZANKURAK

KAZAKHSTAN

ZAO TURGAI PETROLEM

KAZAKHSTAN