2003 - Hyogo Refinery closed Hokkaido Refinery

crude-oil and naphtha tanks damaged by fire resulting from earthquake off the coast of Tokachi.
Idemitsu Credit and Credit Saison merge through comprehensive partnership (ownership: 50%).
Businesses of Munakata Kaiun and Asahi Tanker merged.
Okinawa Sekiyu Seisei Co., Ltd. closed