1.BASF Saudi Arabia Co. Ltd.
2.Honeywell UOP
3.Arkema
4.Cabot Corporation
5.Axens Catalyst Arabia Ltd (ACAL)
6.Sinopec Catalyst Co. Ltd.
7.Shell plc (Shell Catalysts & Technologies)
8.SABIC Industrial Catalyst Company
9.Clariant Speciality Solutions
10.AFI Group