Saudi Aramco
Sabic
Saudi Electricity Company
Adnoc
KNPC
Qatar Gas
Kahra Maa
Qatar Petroleum
Petro Rabigh
NPCC
Dubai Electricity and Water Authority
AbuDhabi Water and Electricity Authority
Takreer
RG
Snamprogetti
Flour
Foster Wheeler
Technip
Tecnimont
Samsung Engineering
Tecnicas Reunidas
ALSTOM
Chiyoda Corporation
Hyundai
Bechtel
Toshiba
JGC
Cegelec
ABB
Arabian Bemco Contracting Co. Ltd.
Mitsubishi Heavy Industries
Hitachi Plant Technologies, Ltd.
Petrofac
GCC
ADCO
CCC
China Petroleum & Chemical Corporation
MECS
Emirates Holdings
