| UAE | Oman | Iraq | Qatar | Afghanistan | ||||
| ADOC | Sohar Group | North Oil Co | Laffan Gas refinery | Kabul Oil & Gas | ||||
| Crescent Petroleum | Sohar Chemical and Urea Plant | Basra Petrochemical | Qatar Gas Co | Ministry of industry and commerce | ||||
| ENOC | Oman Oil Company | SFC State Company | Qalco | |||||
| ADNOC | South Oil Company ( SOC ) | Qatar Lubricant company | ||||||
| Dubai Petroleum | Qatar Petroleum | |||||||
| EPPCO Dubai | ||||||||
