2021
- 02
- Renamed as SNT Holdings Co., Ltd.
2013
- 06
- Established S&T Scholarship Foundation
2008
- 02
- Spin-offs (S&T Holdings Co., Ltd., S&TC’)
2006
- 09
- S&T Set Out
- 06
- M&A of S&T Motiv (Former Daewoo Precision Industries Ltd.)
2005
- 07
- Renamed as S&T Corporation
2003
- 02
- M&A of S&T Dynamics Co., Ltd. (Former Tongil Heavy Industries Co., Ltd.)
2002
- 10
- Shift to KOSPI Market from KOSDAQ Market
- 02
- Renamed as Samyoung Corporation
2000
- 03
- Registration for KOSDAQ
1999
- 09
- Renamed as Samyoung Heat Machinery Industries
1982
- 09
- Corporate Foundation of Samyoung Heat Machinery Industries
1979
- 08
- Samyoung Machinery Industries Founded