| Sr# | Company | Standard | Certificate Number |
| 786 | Best Door for Metal Industries | ISO 9001:2008 | 100CN168932932 |
| 785 | Best Door for Metal Industries | ISO 9001:2008 | 100CN168932932 |
| 784 | Al-Yamama Company NDT Division | ISO 9001:2008 | 100CN168922922 |
| 783 | Washa Al Wisam Factory Co. | OHSAS 18001:2007 | 300CN161282938 |
| 782 | Washa Al Wisam Factory Co. | ISO 14001:2004 | 500CN161142936 |