KNPC, Kuwait
Kuwait Oil company, Kuwait
ADNOC, Abu Dhabi
Borogue, Abu Dhabi
Takreer, Abu Dhabi
Orpic, Oman
OQ, Oman
Oxy, Oman
PDO, Oman
Dolphin Energy, Qatar
Qatar Energy, Qatar
QAFCO, Qatar
Qatar Gas, Qatar
Saudi Aramco, Saudi Arabia
Tatwer Petroleum, Bahrain
Neste, Singapore
Petronas, Malaysia
PTTEP, Thailand
CNOOC, Canada
Sempra Energy, USA
Suncor Energy, USA
BPCL, India
CPCL, India
Essar Oil, India
HPCL, India
IOCL, India
ONGC, India
NALCO, India
RINL, India