|
Acergy
|
France
|
|
AGA AS
|
Norway
|
|
ACKS
|
UAE
|
|
ADCO
|
UAE
|
|
Add Energy
|
USA
|
|
ADMA
|
UAE
|
|
Aker
|
Norway, USA
|
|
AMEC Paragon Eng Serv Inc
|
USA
|
|
Anadarko
|
UK, Algeria, USA
|
|
Apache Corp
|
USA, Canada, UK, Egypt
|
|
Baker Hughes PMG
|
USA
|
|
Bechtel Corporation
|
USA
|
|
Berkine
|
Algeria
|
|
BG
|
India, UK
|
|
BHP Billiton
|
USA
|
|
BJ Services Company
|
USA
|
|
BP
|
Worldwide
|
|
Broad Jeff
|
Qatar
|
|
Calfrac
|
USA
|
|
Carigali-Hess
|
Malaysia
|
|
Century Oilfield Services
|
USA
|
|
Chandler Engineering
|
USA
|
|
Champion Technologies
|
UK, USA
|
|
Changqing Gas Production
|
China
|
|
Chevron
|
Worldwide
|
|
ConocoPhillips
|
USA, UK, Norway, China
|
|
Corelab
|
Worldwide
|
|
CROC
|
Russia
|
|
CTOC
|
Malaysia
|
|
Data Retrieval Corp.
|
USA
|
|
Devon Energy Corp.
|
USA
|
|
Dew Point
|
Norway
|
|
Dolphin Energy
|
Qatar
|
|
DONG
|
Denmark, Norway
|
|
DORIS Engineering
|
France, USA
|
|
Dubai Petroleum
|
UAE
|
|
ECL Technology Ltd
|
UK
|
|
Ecopetrol SA
|
Columbia
|
|
ENI
|
Italy, Norway, USA
|
|
eProductions Systems
|
USA
|
|
Expro Meters
|
USA
|
|
Expro North Sea Ltd.
|
UK
|
|
Exxon Mobil
|
USA
|
|
Fairfield Energy
|
USA
|
|
Flexi France
|
France
|
|
FMC
|
Norway, Singapore
|
|
Force Technology
|
Norway
|
|
Foster Wheeler
|
USA
|
|
Framo
|
Norway
|
|
Frontier
|
Australia
|
|
Gassco AS
|
Norway
|
|
Gazprom
|
Russia
|
|
Genesis
|
UK
|
|
Genting
|
Malaysia
|
|
GeoForschungsZentrum
|
Germany
|
|
GeoData
|
Russia
|
|
GeoMark
|
USA
|
|
GNS Science
|
New Zealand
|
|
Granherne
|
USA
|
|
Halliburton
|
USA
|
|
Hess
|
UK, Norway, USA
|
|
Horizon
|
Holland
|
|
Husky Oil
|
Canada
|
|
Idemitsu Petrol
|
Norway
|
|
IKM
|
Norway
|
|
Institut fur Verfahrenstechnik
|
Germany
|
|
Institutt for Energiteknikk
|
Norway
|
|
IntecSea
|
Australia, USA, UK
|
|
Inpex Browse
|
Australia, Japan
|
|
Instytut Nafty i Gazu
|
Poland
|
|
Intertek
|
UAE
|
|
Japan National Oil Corp
|
Japan
|
|
Japan Petroleum Exploration
|
Japan
|
|
JP Kenny Inc.
|
USA
|
|
Kazpetrotest
|
Kazakhstan
|
|
Knowledge Reservoir
|
USA
|
|
KPO
|
Kazakhstan
|
|
Marathon
|
USA, UK
|
|
Maxoil
|
UK
|
|
McDermott
|
USA
|
|
MPM
|
Norway, UAE
|
|
MSI
|
Australia
|
|
Murphy Oil Corporation
|
Malaysia
|
|
Mustang Engineering Pty Ltd
|
Australia
|
|
Mærsk Olie og Gas
|
Denmark, Qatar, Kazakhstan, USA, UK
|
|
Nalco Energy Services
|
USA
|
|
Nexen
|
Canada, UK, USA
|
|
Noble Energy
|
USA
|
|
OGX
|
Brazil
|
|
Oiltech International Ltd.
|
UK
|
|
Oljedirektoratet
|
Norway
|
|
Pegasus
|
USA
|
|
Pemex
|
Mexico
|
|
Pertamina
|
Indonesia
|
|
Petrobras
|
USA, Brazil
|
|
Petrofac
|
UAE
|
|
Petronas
|
Malaysia
|
|
Petroleum Institute
|
UAE
|
|
Petrotech
|
Norway
|
|
Petronas
|
Malaysia
|
|
Petrotechnical Inspection
|
Malaysia
|
|
Peyto Expl & Dev Corp.
|
Canada
|
|
Polish Oil and Gas Company
|
Poland
|
|
Poyry
|
Australia
|
|
QatarGas
|
Qatar
|
|
Qatar Petroleum
|
Qatar
|
|
Rambøll
|
Denmark
|
|
RasGas
|
Qatar
|
|
Reliance Industries
|
India
|
|
Sagex
|
Norway
|
|
Saipem SA
|
Italy
|
|
Saudi Aramco
|
Saudi Arabia
|
|
Schlumberger
|
Australia, Canada, USA, Brazil, UK, UAE
|
|
SGS
|
Malaysia, USA
|
|
Shell
|
Worldwide
|
|
Sicon
|
Russia
|
|
Sintef
|
Norway
|
|
Snamprogetti SpA
|
Italy
|
|
Sonatrach-Anadarko
|
Algeria
|
|
SPT Group
|
Worldwide
|
|
Statoil
|
Worldwide
|
|
STAT Marine
|
France
|
|
Talisman
|
Norway
|
|
Technip Offshore
|
USA, Brazil
|
|
Total
|
France, USA
|
|
U.S. Geological Survey
|
USA
|
|
Vinci Technologies
|
France
|
|
Weatherford
|
Norway
|
|
Well Flow Dynamics
|
Norway
|
|
Williams Midstream
|
USA
|
|
Woodside Energy
|
Australia, USA
|
|
Wuxi
|
China
|
|
Zarubezneft
|
Russia
|
