•    AL-FUTTAIM (PRIVATE) LIMITED., U.A.E. (GROUP)
•    AL ROSTAMANI GROUP OF COMPANIES., DUBAI, U.A.E.
•    AL-ROSTAMANI PEGEL L.L.C., DUBAI – U.A.E.
•    AW ROSTAMANI GROUP L.L.C., DUBAI – U.A.E.
•    AL NABOODAH LAING O’ROURKE L.L.C, DUBAI
•    AL OTHMAN GROUP – SAUDI ARABIA
•    AHMED MANSOOR AL-A’ALI Co. BSC(c), BAHRAIN
•    ABDULLA AHMED NASS GROUP, BAHRAIN
•    AFI GLOBAL – MIDDLE EAST
•    AL RUSHAID PARKER DRILLING COMPANY LIMITED , SAUDI ARABI
•    BLACK CAT CONSTRUCTION W.L.L. DOHA,
•    BLACK & DECKER, DUBAI – U.A.E.
•    CONSOLIDATED CONTRACTORS CO – ABU DABHI
•    DANZAS AEI (LOGISTICS) DUBAI , U.A.E.
•    DUBAI FESTIVAL CITY, DUBAI – U.A.E.
•    G.P.ZACHARIADES (OVERSEAS) LTD., BAHRAIN
•    HIGGS & HILL L.L.C., DUBAI – U.A.E.
•    HBK CONTRACTING CO. W.L.L., DOHA, QATAR
•    HBK ENGINEERING., DOHA - QATAR
•    HOCKWAY, DUBAI – U.A.E.
•    INTERBETON, U.A.E.
•    INTERBETON, DOHA - QATAR
•    IMDAAD LLC - UAE
•    INTERNATIONAL ELECTRO-MECHANICAL SERVICES CO. (LLC), DUBAI – U.A.E.
•    KAEFER L.L.C., ABU DHABI, QATAR
•    KIFAH INTERNATIONAL – SAUDI ARABIA
•    LARSEN & TOUBRO QATAR L.L.C., DOHA
•    MOHSIN HAIDER DARWISH (GROUP), OMAN
•    MURRAY & ROBERTS, BAHRAIN
•    NASS INDUSTRIAL SERVICES, BAHRAIN
•    NASS SCAFFORM, BAHRAIN
•    NASSTECH, BAHRAIN
•    OMAN TRANSPORT & CONTRACTING CO., MUSCAT
•    PETROFAC - KUWAIT
•    POULLAIDES CONTRUCTION CO., BAHRAIN
•    QATAR AL-ATTIYAH INTERNATIONAL GROUP, QATAR
•    QATAR ENGINEERING & CONSTRUCTION CO. (Q-CON) W.L.L., DOHA, QATAR
•    RAMESH KHIMJI GROUP- OMAN
•    SIX CONSTRUCTION - UAE
•    SGB CONTRACTING (SCAFFOLDING) , DOHA
•    SERCO MIDDLE EAST – UAE
•    SHAW-NASS MIDDLE EAST W.L.L., BAHRAIN
•    TYSEER GROUP, DOHA - QATAR
•    VAN OORD ( MARINE) - DUBAI - UAE