| Sr# | Company | Standard | Certificate Number |
| 81 | Salem Al Salem Contracting Co. Ltd. | ISO 9001:2008 | 100CN132500651 |
| 80 | Ras Al-Ghar Steel Factory | ISO 9001:2008 | 100CN132490649 |
| 79 | Busubait Technical Complex for Fiber Glass | ISO 9001:2008 | 100CN132470645 |
| 78 | Ibrahim Al-Hobani EST. For Ready Concrete & Blocks | ISO 9001:2008 | 100CN132480647 |
| 77 | Abrican General Contracting Est. | ISO 9001:2008 | 100CN132390629 |