|1920||Jiro Suzuki, President and CEO two generations back, founded Suzuki Iron Works, the first cold drawing plant in the Chubu area, based in Atsuta-ku, Nagoya-shi, where the current headquarters is located.|
|1945||The plant was completely burned down during the war.|
|1949||Toyoji Suzuki became the president of Suzuki Iron Works, Co. Ltd.
Increased the capital to 800,000 yen.
|1961||Built the Odaka Plant in Odaka-cho, Midori-ku, Nagoya-shi to establish volume production capacity.|
|1964||Changed the trade name to Suzutoyo seiko Co., Ltd.
Increased the capital to 28 million yen.
|1969||Increased the capital to 35 million yen.|
|1971||The Odaka Plant became JIS Mark certified.|
|1973||Started using a drum bell furnaces to start production of CH materials.|
|1976||Started using an eddy current detector to ensure quality assurance.|
|1983||Started using a cold pressing machine (weight: 400 tons) to start production using cold forging.|
|1985||Purchased the 24,000 ㎡ parcel adjacent to the Odaka Plant.|
|1986||Built a new thermal processing plant and started using a roller-hearth STC furnace (Furnace 1)
Increased the capital to 50 million yen.
|Started using two part formers and four cold pressing machines to increase production capacity of cold forgings.|
|1990||Toyoji Suzuki became the chairman.
Tomohiro Suzuki became the president and CEO.
|1991||Started using a large-size long part former.|
|1994||Started using an STC furnace (Furnace 2).|
|1996||Established a joint venture, T.S.K. FORGING CO.,LTD. in Thailand.
Started using two cold pressing machines (weight: 630 tons)
|1997||Started using a cutting machine to start the parts cutting process.
Started using an STC furnace (Furnace 3).
Increased the capital to 80 million yen.
|2000||Started using an STC furnace (Furnace 4).|
|2002||Became ISO9001 certified.|
|2004||Became ISO14001 certified.|
|2006||Integrated the functions of the headquarters (based in Kanayama) to the Odaka Plant.|
|2008||Started using an STC furnace (Furnace 5).|
|2009||Built a new plant.|
|2013||Became OHSAS18001 certified.|
|2014||Started using a Schumag draw bench.|
|2015||Started using a large-size 6 die station part former.
Established a joint venture, Mirra and Mirra Industries Private Limited in India.
|2016||Started using an STC furnace (Furnace 6).|
|2019||Became ISO45001 certified.|
|2020||Tomohiro Suzuki became the chairman.
Takahiro Suzuki became the president and CEO.