The following is a list of International Oil Companies (IOCs) operating in Iraqi Kurdistan under licences granted by the Kurdistan Regional Government's Ministry of Natural Resources in Erbil:
Austria
OMV
Canada
Groundstar Resources
Niko Resources
Shamaran Petroleum
Talisman Energy
Vast Exploration
WesternZagros
China
Addax Petroleum
Hungary
MOL
India
Reliance Industries
Norway
DNO International
Papua New Guinea
Oil Search
Russia
Gazprom
South Korea
Korea National Oil Company
Turkey
Dogan Enerji
Genel Energy
Petoil
United Arab Emirates
Abu Dhabi National Energy Company (TAQA)
United Kingdom
Afren
Gulf Keystone Petroleum
Perenco
Sterling Energy
United States
Aspect Energy
Chevron
Hess
Hunt Petroleum
Murphy Oil Corporation