| Sr# | Company | Standard | Certificate Number |
| 166 | M.A Al Nafjan Steel Fabrication Factory | ISO 9001:2008 | 100CN143500948 |
| 165 | Sagaya Al-Arabia Contracting Est. | OHSAS 18001:2007 | 300CN140320940 |
| 164 | Sagaya Al-Arabia Contracting Est. | ISO 9001:2008 | 100CN143580982 |
| 163 | Steel Triangle for Fabrications | ISO 9001:2008 | 100CN143430931 |
| 162 | RMC COMPANY (Rowad Al-Majarrah Construction Company) | ISO 9001:2008 | 100CN143400925 |