| Member State | Observer State | UN body | NGO | Company |
|---|---|---|---|---|
| United States of America | Iraq | UNCAC | FATF | QatarEnergy |
| Russian federation | Iran | UNDP | Transparency International (TI) | TotalEnergies |
| United Kingdom | Egypt | OPEC | Global Witness | BP |
| Peoples republic of China | United Arab Emirates | IEA | Arab NGO Network for Development (ANND)( | Saudi Aramco |
| Türkiye | UN Truth commission (only for crisis updates) | |||
| Saudi Arabia | ||||
| Qatar | ||||
| Brazil | ||||
| France |