| Sr# | Company | Standard | Certificate Number |
| 556 | Al Yamama Company for Trading and Contracting | ISO 14001:2004 | 500CN150661950 |
| 555 | Kawther Sweet Water Contracting Company | ISO 22000:2005 | 200CN150481944 |
| 554 | Rawasi Architects & Consulting Engineers | ISO 9001:2008 | 100CN156191946 |
| 553 | Hussain Abdulrahman Alismail Est. for Office System | ISO 9001:2008 | 100CN156151922 |
| 552 | Riyad Chemicals Factory | ISO 14001:2004 | 500CN150651914 |