Oman Oil Marketing Company SAOG announced preliminary unaudited earnings results for the twelve months ended December 31, 2017. For the period, the company reported revenue of OMR 514,555,000 against OMR 425,922,000 a year ago. Net profit after tax was OMR 8,837,000 or 137 Bz per share against OMR 9,603,000 or 149 Bz per share a year ago.