Qatar Petroleum

Occidental Petroleum of Qatar Ltd. (OPQL)

Qatargas Operating Company Limited (Qatargas)

Dolphin Energy

Total E&P Qatar

Oryx GTL Limited

North Oil Company (NOC)

Qatar Fertiliser Company (QAFCO)

Qatar Fuel Additives Company Limited (QAFAC)

Raslaffan Liquified Natural Gas Co. (Rasgas)

Qatar Petrochemical Company Q.S.C (QAPCO)

Qatar Chemical Company Ltd (Q-Chem)