April, 2007
Mitsui & Co. Project Corporation, Mitsui Bussan Plant & Project Corporation, Mitsui & Co. Power Systems Corporation and Mitsui Bussan Transportation System Co., Ltd. have merged and established Mitsui & Co. Plant Systems, Ltd.
November, 2008
Moved the head Office to Higashi-Shimbashi, Minato-ku, Tokyo
November, 2010
Moved the head Office to 26 floor of Shiodome Sumitomo building.
March, 2011
Moved Kurashiki Office
March, 2012
Moved Hiroshima Office
November, 2014
Moved Sapporo Office
December, 2014
Moved Fukuoka Office
April, 2014
Established Futtsu Site Project Office
November, 2015
Moved Oita Office
July, 2016
Closed Jakarta Office due to completion of project
December, 2016
Closed Ube Office
April, 2017
April, 2018
October, 2024
March, 2025