Alexandria Carbon Black Co. SAE, Egypt .

Balmer Lawrie, Dubai , UAE.

Bertram Chemical Plants, Switzerland.

Cosayach ,Chilli.

Columbian Chemicals, Canada, Brazil , Hungary & Germany

Columbian Carbon ,Deutschland GmbH ,Germany.

Columbian Tiszai Carbon Ltd., Hungary.

CUEL Limited , Thailand.

Eescon Engineering Ltd., Abu Dhabi, UAE.

Formosa Plastics ,Taiwan.

FMP Engineering Technique, Belgium .

Galaxy Surfactant Limited.

IBN – Zahar / Snamprogetti, SA.

J Ray McDermott Inc, Middle East.

Komline Sanderson, N.J. ,U.S.A.    

National Plastic Co. Ltd., Al Jubail, SA. 

National Petroleum Construction, UAE.

Purechem Bangkok, Thailand.

SABIC Riyadh, Saudi Arabia .  

Samsung ,Korea.

Shanghai Cabot Chemicals Co. Ltd.,China.

Sarku Engineering Services SDN BHD, Malaysia.

Thai Carbon Black Public Co. Ltd. ,Thailand.