|1862||Sukekuro Sato established Sato Gumi in Toyama Prefecture|
|1910||Started iron workshop in Toyama City|
|1926||Developed welding technology for penstocks|
|1931||Sato Gumi reorganized as Sato Kogyo Co.,Ltd|
|1948||Name changed to Sato Kogyo Toyama Factory|
|1959||Started to manufacture press machines|
|1971||Constructed Tateyama Factory for bridge fabrication|
|1973||Separated and became independent from Sato Kogyo Co., Ltd.
Started Sato Tekko Co., Ltd. with capital of 500million yen.
|1974||Expanded iron workshop at Tateyama Factory|
|1981||Relocated head office to Tateyama town from Toyama city.|
|1988||Constructed Shinko factory at Toyama New Port|
|1991||Constructed bridge shop at Shinko Factory|
|1994||Started to manufacture boring device called “Multimaul”|
|1996||Expanded machine assembly shop|
|1997||Started environmental plant business with Heckert, Germany
Acquired ISO 9001 certification.
Established subsidiary STEC Co., Ltd.
|1998||Built construction dept. office.|
|2001||Introduced technological know-how of crossflow shredder from Heckert, Germany|
|2003||Acquired all of the company’s own stock owned by SATO KOGYO Co., Ltd.|
|2006||Acquired ISO 14001 certification.|
|2007||Established Press manufacture subsidiary KS-TECH Co., Ltd.|
|2013||Introduction of bending roller
Electricity business start sales and installation of solar panel
Acquired JIS factory of steel pipe at Tateyama Factory
|2015||Acquired JIS factory of steel pipe at Shinko Factory|
|2016||Succeeded the sluice business from Mitsubishi Heavy Industries Mechatronics Systems,ltd.|
|2018||Merged STEC co.,ltd.|