The Unocal Corporation is a Engineering Design And Consultancy Services Supporting Mining, Oil And Gas Extraction And Offshore Exploration Activities business based company which is located in Wheelock Place, Orchard Road, Singapore (238880). The Unique Entity Number (UEN) of Unocal Corporation is S98FC5599D which was issued on 2008-09-11 00:00:00. Unocal Corporation was incorporated on 08 Sep 1998 and the primary ssic code of Unocal Corporation company is 71126 and primary ssic description is Engineering Design And Consultancy Services Supporting Mining, Oil And Gas Extraction And Offshore Exploration Activities .