22 Members (excluding the associate or suspended members but including the countries represented on their behalf) [The rulers are not necessarily the representatives in the organisation. ] :
| | UNITED ARAB EMIRATES | (Abu Dhabi ar) | | President Sheikh Khalifa bin Zayed Al Nahyan | | |
| | BAHRAIN | (Manamah) | | King Sheikh Hamad bin Isa Al Khalifah | | |
| | JIBUTI | (Jibuti) | | President Ismail Omar Guelleh | | |
| | ALGERIA | (Algiers a + El Biar d + El Mouradia r) | | President Abdelaziz Bouteflika | | |
| | EGYPT | (Cairo a + Alexandria r) | | President Hosni Mubarak | | |
| | IRAQ | (Baghdad a + Camp Victory m) | | President Jalal Talabani | | |
| | JORDAN | (Amman) | | King Abdullah II | | |
| | COMOROS | (Moroni) | | Ahmed Abdallah Mohamed Sambi | | |
| | KUWAIT | (Kuwait City) | | Emir Sheikh Sabah IV Al Ahmad Al Jabir Al Sabah | | |
| | LEBANON | (Beirut a + Baabda r + Hadeth d) | | President Emile Lahoud | | |
| | LIBYA | (Tripoli a) | | Guide Muammar Gaddafi | | |
| | MOROCCO | (Rabat a) | | King Muhammad VI | | |
| | MAURITANIA | (Nouakchott) | | President Sidi Mohamed Ould Cheikh Abdellahi | | |
| | OMAN | (Muscat) | | Sultan Qaboos bin Said | | |
| | PALESTINE | (Ramallah qr + (East Jerusalem)) | | President Mahmoud Abbas | | |
| | QATAR | (Doha) | | Emir Sheikh Hamad bin Khalifah Al Thani | | |
| | SAUDI ARABIA | (Riyadh) | | King Abdullah | | |
| | SUDAN | (Khartoum) | | President Omar Al-Bashir | | |
| | SOMALIA | (Mogadishu) | | President Abdullahi Yusuf Ahmed | | |
| | SYRIA | (Damascus) | | President Bashar Al-Assad | | |
| | TUNISIA | (Tunis) | | President Zine El Abidine Ben Ali | | |
| | YEMEN | (Sanaa) | | President Ali Abdullah Saleh | | |