North Oil Company
Hamad Medical corparation
Qatar Energy
Qatar Engery LNG
Qatar Fertiliser Company S.A.Q. (QAFCO)
Qatar Petrochemical Company Ltd (QAPCO)
National Oil Distribution Company (NODCO)
Qatar Vinyl Company Ltd (QVC)
Qatar Chemicals Ltd (Q-Chem)
Qatar Fuel Additives Company Limited (QAFAC)
Qatar General Electricity and Water Company (KAHRAMAA)
Ooredoo
Qatar Steel Company S.A.Q (QASCO)
Ministry of Defence
Ministry of Interior
Vodafone-Qatar
QATAR SHELL GTL Limited
Qatar Shipyard Technology Solutions (QSTS)