TECNICAS REUNIDAS GULF

SIEMENS LTD.

JGC ARABIA LTD.
Berri projects, Hawiyah Projects, Haradh Projects and JCP Projects

HYUNDAI ENGINEERING

SAMSUNG S.A. LTD.

AL TOUKHI COMPANY

AL RUSHAID CONSTRUCTION COMPANY
Berri Project & JUPC Project

LUMMUS ALIREZA
PROJECT OFFICE, & SAUDI ARAMCO SITE OFFICE, BERRI

GAMA Moushegah Arabia Ltd
For Hadeed & Epoxy Projects

DAELIM S.A. CO. LTD.

SAFCO/ IBN-BAYTAR

ARABIAN PETROCHEMICAL COMPANY (PETROKEMYA)

NATIONAL GAS

UNITED GULF STEEL  (UGS)

SAUDI NEWZEALAND MILK PRODUCTS CO.

AMEC BKW ARABIA CO. LTD.