| 01 | QATAR PETROLEUM |
| 02 | Q.R.E.I.C (QATAR REAL ESTATE INVESTMENT Co.) |
| 03 | QATAR GAS |
| 04 | RAS GAS |
| 05 | QAFCO (QATAR FERTILIZER COMPANY) |
| 06 | QAPCO (QATAR PETROCHEMICAL COMPANY) |
| 07 | QASCO (QATAR STEEL COMPANY) |
| 08 | PUBLIC HOUSING |
| 09 | RAMADA HOTELS |
| 10 | WOQOD |
| 11 | KAHRAMAA |
| 12 | MINISTRY OF MUNICIPAL AFFAIRS |
| 13 | Q-TEL |
| 14 | QATAR AIRWAYS |
| 15 | QATAR ARMY |
| 16 | CHIYODA CORPORATION, JAPAN |
| 17 | HYUNDAI ENGINEERING, SOUTH KOREA |
| 18 | MEISEI CORPORATION, JAPAN |
| 19 | G L F (GRANDI LAVORI FINCOSIT) |
