Saudi Basic Industries Corp. (SABIC) Saudi ARAMCO Shell Refinery Co.
Saudi Petrochemical Co. (Sadaf) Saudi Binladen Group
MAADEN  Aluminium Co. (MAC) Royal Commission
SADARA Saudi Cement Company
Saudi Methanol Co. (Al-Razi) Arabian Chemical Company (Acc)
Saudi Electricity Co.(Sec) National Commercial Bank
United Trading & Contracting Est. Yanbu National Petrochemical Co. (YANSAB)
Great Nile Petroleum Co. (GNPOC) Saudi Yanbu Petrochemical Co. (YANPET)
Jubail United Petrochemical Co. (United) Jubail Chemical Industries Co. (Jana)
JESCO Al-Majdouie Group
Saudi European Petrochemical Co. Al-Eisaie Group
United Gulf Steel Co. Energy Equipment Rental Co. (Enerco)
Marafiq Al-Faisaliah Group
Al-Jubail Fertilizer Co.(Samad) National Cleaning Products (Clorox)
Arabian Petrochemical Co. (Kemya) National Petrochemical Industries Co (NPIC)
International Ports Services (Ips) Nalco Company
Saudi Iron & Steel Co. (Hadeed) Chamber Of Commerce (Eastern)
Saudi Abb Co National Chemical Fertilizer Co. (Safco)
Eastern Petrochemical Co. (Sharq) Advanced Polypropylene Company
Azmeel Company Saudi European Petrochemical Co.
Sahara Petrochemicals SWCC
Bin agar Lever Hemple Paints
Aljabr-Talke Co. Gulf Farabi Petrochemicals
Jal International National Industrial Gas Co. (Gas)
Petrokemya Hidada Co. Ltd
Rezayat Services Sipchem
Al-Iman Factory Rb Hilton
Al-Watania Poultry Projects & Support Co.
Hamoud  Shuwair Company Wetherford
Petrorabigh Ewan Real Estat
Gemeelsa Khuseim Co.
Sinopec National Plastic Co. (Tayaf)
National Methanol Co. (Ibn Sina) AL- KHAFJI JOINT OPERATIONS