• Azerbaijan International Operating Company
• BP Exploration (Shah Deniz) Ltd.
• Baku-Tbilisi-Ceyhan Pipeline Company
• Production Union “Azneft” the State Oil Company of Azerbaijan Republic
• Production Union “Azerikimya” the State Oil Company of Azerbaijan Republic
• Gaz Export Department the State Oil Company of Azerbaijan Republic
• Oil Pipelines Department the State Oil Company of Azerbaijan Republic
• Heydar Aliyev Oil Refinery
• Gas Processing Plant
• State Committee for Standardization, Metrology and Patent of the Republic of Azerbaijan
• Georgian Pipeline Company
• Mitro International Ltd. (Turkmenistan)

• Karasu Operating Company
• Binagadi Oil Company
• Salyan Oil Company
• Bahar Energy Operating Company Limited
• “Azeri MI Drilling Fluids” LLC
• Munasib Sanaye Techizat (MST LLC)
• NOW Netherland B.V.
• R&M Electrical Group Ltd
• Providence Doytch  AG
• Holcim OJSC
• “Azerbaijan Caspian Shipping” Closed Joint Stock Company
• Azmetco Complex Adjustment and Automation JSC
• “Omega” Company
• “Shincar Holding” LLC