|1944||Founded in Sakaki, Nagano Prefecture.|
|1952||Begins conducting business with the Honda Motor Company.|
|1961||Begins conducting business with Komatsu Ltd.|
|1968||Capital increased to ¥140 million.|
|1969||Tobu plant established in Tobu-machi and begins operations.|
|1970||Second Tobu plant established.|
|1982||Third HQ plant established.|
|1986||Fourth HQ plant established.|
|1994||Maruko plant established in Maruko-machi and begins operations.|
|1998||Second Maruko plant established.|
|1998||New HQ office building established.|
|1999||ISO 14001 certification received.|
|2001||PT. TSUZUKI & ASAMA MANUFACTURING (T&A) established in Indonesia.|
|2002||T&A begins operations.|
|2006||Third Maruko plant and second T&A plant established.|
|2007||ISO 9001 certification received.|
|2008||Maruko Welfare building established.|
|2010||JS-TEC Co. established in Isesaki, Gunma Prefecture.
Capital increased to ¥480 million.
|2011||Thai Tsuzuki Co., Ltd (TTC) established in Thailand.|
|2012||T&A Karawang plant established.
T&A acquires ISO 9001 certification.
TTC acquires the ISO 9001 and ISO 14001 certifications.
|2014||70th anniversary since founding.|
|2015||Yuki Kurita becomes company president.|