AL YAMAMA COMPANY FOR TRADING AND CONTRACTING FIRST STREET BEHIND DAMMAM TO WERDAMMAM, SAU 31411 6 $37,967,688 AL YOUSEIF EST CENTRAL AREADAMMAM, SAU 31952 42 $3,974,287 AL YOUSEIF EST P O BOX 270AL KHOBAR, SA 31952 2 $113,771 AL YOUSIFI ENGINEERING&CONS TRUCTION CO. W.L.L....