- February 1962
- Established steel plate gas cutting business in Joto, Osaka City.
- August 1966
- Built and relocated to new welding plant in Daito City, Osaka.
- December 1969
- Established Katsushiro Gas Cutting Co., Ltd.
- October 1972
- Built and relocated to new head office and plant in Neyagawa City, Osaka.
- September 1980
- Built and relocated to new head office and plant in Yawata City, Kyoto.
- March 1983
- Established Kanto Gas Cutting Co., Ltd. in Tamamura-machi, Sawa-gun, Gunma.
- November 1990
- Established Katsushiro Rome Corporation (KRC) in Rome, Georgia, USA; currently Advanced Steel Technology, Inc. (AST)
- February 1992
- Changed company name to Katsushiro Matex Co., Ltd. in commemoration of the 30th anniversary.
- May 1995
- Established P.T. Katsushiro Indonesia (KMI) in Jakarta, Indonesia.
- February 1997
- Established Katsushiro Machinery (Shandong) Co., Ltd. in Shandong, China.
- April 1999
- Established Katmex Ltd. (KMX) in Newcastle, United Kingdom.
- September 2003
- Established Kanto Precision Machinery of Tangshan Co., Ltd. in Tangshan City, Hebei, China.
- August 2005
- Established Techno Fab Co., Ltd. (TFT) in Chon Buri, Thailand Established Zhejiang Katsushiro Machinery Co., Ltd. (ZKM) in Zhejiang, China
- December 2006
- Established Qingdao Katsushiro Machinery Co., Ltd (KMQ) in Qingdao, China.
- January 2007
- Established Advanced Steel Technology De Mexico, S De R.L.DE C,V (MEX) in Monterrey, Mexico.
- January 2008
- Established Katsushiro Matex India Private Ltd. (KIP) in Chennai, India.
- May 2010
- Established Changzhou Katsushiro Machinery Co., Ltd. (CKM) at Changzhou in Jiangsu Province, China.January 2011 Commenced operations.
