السماعيل
Saudi Aramco
Saudi Electricity Co.
Arabian Pipeline & Services Co. Ltd. (ANABEEB)
Al-Khafji Joint Operations
Shaybah Oil Field ( more than 8,180 people )
McDERMOTT ARABIA CO. LTD.
National Industrialization Co. (TASNEE)
شركة السماعيل للصناعة
Samsung Engineering Co. Ltd.
شركة السماعيل للصناعة
Saudi Arabian Mining Co.
Saudi Basic Industries Corporation
Saudi Kayan Petrochemical
Neom ( more than 32,308 people )
السماعيل
The Khurais Oil Field ( more than 3,116 people )