| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| King Khalid Foundation | Foundation | Not Applicable | Saudi Arabia | 2014-10-29 |
| National Petrochemical Industrial Company - NATPET | Company | Chemicals | Saudi Arabia | 2014-02-11 |
| Saudi Basic Industries Corporation (SABIC) | Company | Chemicals | Saudi Arabia | 2012-06-08 |