October 1965 Started business as Mochizuki Kogyosho in Fuji City.
May 1974 Moved the company to its current location in Fujinomiya City.
May 15, 1975 Capital : 3 million yen. Established Mochizuki Kogyosho.co.Ltd.
February 1994 Increased capital to 10 million yen.
February 1995 New factory extension.
November 2002 Quality management system ISO9001 : 2000 registered.
December 2004 Ashigara office opened.
December 2005 Environmental management system ISO14001 : 2004 registered.
May 2006 Capital increased to 20 million yen.
June 2006 Yoshida Office opened.
October 2006 Construction Permit : Piping construction
Changed from general to specific.
Additional application for Machinery and Equipment Installation Business.
September 2009 Quality Management System ISO9001 : 2000
Environmental Management System ISO14001 : 2004 Returned
Restructured as M system.
February 2010 Additional applications for construction permits, electrical construction and fire facility construction.
December 2013 Toyama office opened.
February 2010 Acquired Hanoi Plant Engineering Company Vietnam as a subsidiary.
March 2014 Grouped with Kyoden Plant Construction.CO.LTD.
September, 2015 Additional application for a construction permit and building construction business.
February, 2016 Toyama office and Hanoi Plant Engineering closed.
November, 2017 Quality management system
ISO 9001 : 2015 registered.
October 2019 Construction Permit, additional application for roofing, waterproofing, and thermal insulation business.
September 2021 Grouped with Hikari System.CO.LTD.