March 1951	Our company was established as Sakai Kaiun Limited Company, and began undertaking seaborne cargo handling task delegated by ENEOS Corporation Wakayama Refinery.
August 1960	New branches were established in Shimizu, Kawasaki and Tokyo for ENEOS Corporation K.K.
December 1977	Changes had been made in the organizational structure of Wakayama and Kawasaki branchs.
July 1985	Our company invested in Kansai International airport company.
March 1991	Masanori Hayashi became the chairman of the board of directors. Fumio Hayashi became the CEO of Hayashi Kaiun Co., Ltd.
July 1992	Company name was revised to Hayashi Kaiun Co., Ltd.
July 1998	Wakayama branch and Kawasaki branch became ISO9002 certified companies. Later in the same year, status of both branches was updated to an ISO9001 certified company.
February 1999	Our company acquired the entire stock issued by Senboku Oil Kiko Co., Ltd.
June 2001	Isao Hayashi became the executive director of Hayashi Kaiun Co., Ltd.
June 2003	Senboku Oil Kiko became ISO9001 certified company.
July 2004	Shimizu Office became an ISO certified company.
November 2010	Wakayama branch achieved the record of 3 million continuous no-accident hours.
June 2012	Fumio Hayashi became the chairman of the board of directors. Isao Hayashi became the CEO of Hayashi Kaiun Co., Ltd.
June 2013	Chuken branch became an ISO9001 certified company.
May 2017	Wakayama branch achieved the record of 4 million continuous no-accident hours.
June 2019	Asahikasei Office became an ISO9001 certified company.