Saudi Aramco
Saudi Basic Ind. Corp.
Saudi Aramco Jubail Refinery Company
www.sasref.com.saSaudi Aramco Mobil Refinery Company Ltd.
www.samref.com.saYanbu Aramco Sinopec Refining Company
www.yasref.comSaudi Electicity Company
Petro Rabigh
www.petrorabigh.comMARAFIQ
Kemya
Royal Commission for Jubail and Yanbu
www.rcjy.gov.saSATORP
www.satorp.comDaelim Saudi Arabia Co. Ltd.
Saudi Arabian Mining Co.
L & T
STC
Posco E&C
Advanced Polypropylene Company
www.advancedpetrochem.comJapan Gas Corporation
www.jgc.co.jpConsolidated Contractors Company
www.ccc.grJANA
www.jana-ksa.netCarlo Gavazzi Engineering and Contracting
www.carlogavazzi.itMitsubishi Heavy Industries Ltd.
www.mhi.co.jpSamsung Engineering Co. Ltd.
www.ssa.samsungengineering.comSaudi Shinwha Co. Ltd.
Dayim Punj Lloyd Constr Contracting Co. Ltd.
www.punjlloyd.comSiemens Saudi Arabia
www.siemens.com.saSKSK Engg. & Construction
Saudi Polyolefins Company
www.tasnee.comYanbu Steel
www.yanbusteel.comDoosan Heavy Industries and Construction
www.doosan.comSungchang and Abdullah Al Shaikh Company
Daewoo Engineering & Construction Co. Ltd.
www.daewooenc.comPetrofac
www.petrofac.comSaudi Mas IT
www.saudimasit.comHyundai Heavy Industries Co. Ltd.
www.hhi.co.krSchneider Electric
www.schneider-electric.com