Key Players Key players operating in the global base oil market include GS Caltex Corporation (U.S.), Petroliam Nasional Berhad (PETRONAS) (Malaysia), Chevron Corporation (U.S.), Exxon Mobil Corporation (U.S.), Saudi Aramco (Saudi Arabia), Royal Dutch Shell plc (The Netherlands), Sinopec Corp (China), Petrochina Company Limited China), Abu Dhabi National Oil Company (ADNOC) (UAE), ENEOS...