1907 Founded by Hokkaido Colliery Steamship Company and the British firms Sir W.G. Armstrong, Whitworth & Co., Ltd. and Vickers Sons and Maxim, Ltd. The headquarters and factory are located in Muroran, Hokkaido.
1915 The headquarters is moved to Tokyo.
1920 The Hiroshima Plant is established with the purchase of Hiroshima Seisakusho Co., Ltd.
1936 Construction of the Yokohama Plant is completed and goes into operation.
1950 The Japan Steel Works, Ltd. is dissolved and reestablished.
1969 Offices are established in New York, Dusseldorf, and Tehran.
1975 Offices are established in Los Angeles, Houston, and Singapore.
1978 Japan Steel Works America, Inc. is established in the United States.
1983 Relocation of Yokohama Plant is completed.
The Beijing Office is established.
The company is awarded the Deming Application Prize.
1988 Fine Crystal Co., Ltd. is established.
1990 JSW Plastics Machinery, Inc. is established in the United States.
(merged into Japan Steel Works America, Inc. in 2017)
1992 JSW Plastics Machinery (S) Pte. Ltd. is established in Singapore.
(company name is changed into The Japan Steel Works (Singapore) Pte. Ltd. in 2014)
1994 ISO 9001 and 9002 certification is acquired.
1997 JSW Plastics Machinery (H.K.) Co., Ltd. is established in Hong Kong.
1998 ISO 14001 certification is acquired.
2000 JSW Plastics Machinery (Taiwan) Corp. is established in Taiwan.
2003 JSW Plastics Machinery Trading (Shanghai) Co., Ltd. is established in China.
(merged into JSW Machinery Trading (Shanghai) Co., Ltd. in 2014)
2005 The Shanghai Office is established.
2006 Tahara Machinery Ltd. is acquired.
2007 The company marks the centenary year of its founding.
The headquarters is moved to Osaki in Tokyo.
2008 JSW Machinery Trading (Shanghai) Co., Ltd. is established in China.
Alliance with Meiki Co., Ltd. begins.
2009 Japan Steel Works India Private Limited is established in India.
2010 JSW Machinery (Ningbo) Co., Ltd. is established in China.
2012 Japan Steel Works Europe GmbH is established in Germany.
2014 JSW AFTY Corporation is established.
2015 SM Platek Co., Ltd. in South Korea is acquired.
2019 GM ENGINEERING Co., Ltd. is acquired.
Nichiyu Machinery Co., Ltd. is acquired.
2020 Meiki Co., Ltd. is merged into the company.
Japan Steel Works M&E, Inc. is established.