1960MayEstablishment of Keihin Tanker, Co., Ltd. with capital of 3 million yen.
1961Mar.Company name changed to the current name, Kinkai Tanker, Co., Ltd. Increase in capital to 10 million yen.
1961Nov.Entrusted with operations related to Maruzen Oil Co., Ltd. (today’s Cosmo Oil Co., Ltd.) from Showa Oil Tanker Co., Ltd. and start of marine transportation operations of petroleum products of the same company (substantial start of the business) ).
1961Dec.Increase in capital to 30 million yen.
1962Jan.Increase in capital to 40 million yen.
1962Nov.Relocation of the head office to 3-2 Marunouchi Chiyoda-ku Tokyo
1967Jan.Entrance of Daiichi Marine Transportation Co., Ltd. into the group.
1974MayStart of marine transportation of petroleum products in ocean-going areas.
1974Jun.Relocation of the head office to 2-2-3 Uchisaiwaicho Chiyoda-ku Tokyo
1974Dec.Increase in capital to 80 million yen.1977Jan.Relocation of the head office to 1-4-7 Nishishimbashi Minato-ku Tokyo
1979Apr.Establishment of Enyo Marine Transportation Co., Ltd. with capital of 50 million yen, and transfer of marine transportation operations including petroleum and petroleum product transportation in ocean-going areas.
1982Jun.Increase in capital to 88 million yen.
1998MayAcquisition of ISM verification.
2001Dec.Simultaneous acquisition of ISO 9001 and 14001 certifications.
2011Oct.Relocation of the head office to 5-25-11 Shiba Minato-ku Tokyo