ADNOC
Abu Dhabi
Amerada Hess
Algeria
CCED
Oman
CP-Training
UK
Energy Delta Institute
Netherlands
EBN
ENI
Italy
Fugro
Wales/Netherlands
Indian Oil
India
Jogmec
Japan
JX Nippon
KNOC
South Korea
KOC
Kuwait
NAM
NExT
USA
Nigeria Petroleum Schools
Nigeria
NIS-Naftagas
Servia
ONGC
Panterra
PDO
PEMEX
Mexico
Pertamina
Indonesia
Petronas
Malaysia
PPL
Pakistan
PTTEP
Thailand
Sakhalin Energy
Russia
Saudi Aramco
Saudi Arabia
Schlumberger
France
Shell
SOGOS
Sonangol
Angola
Sonatrach
Staatsolie
Suriname
Total
Technical University Delft
The Learning Group
Singapore