1.Saudi Basic Industries Corporation
2.Saudi Arabian Oil Company
3.Rabigh Refining & Petrochemical Company
4.Saudi Kayan Petrochemical Company
5.Saudi International Petrochemical Company
6.Gulf Stabilizers Industries
7.NAMA Chemicals Co.
8.National Industrialization Company (Tasnee)
9.Advanced Petrochemical Company
10.Chevron Phillips Chemical Company
LLC