- May 01, 1983: Formerly known as Hydraulic Construction Company, was established under the Decision No.483/BXD-TCCB of Minister of Construction.
- 2002: Renamed as Song Da No.6 Company
- 2005: Equitized and renamed as Song Da No.6 JSC with initial charter capital of VND23 billion
- December 25, 2006: Officially traded on Hanoi Stock Exchange (HNX).
- 2007: Increased charter capital to VND 41.49 billion.
- 2008: Increased charter capital to 60 billion.
- 2010: Increased charter capital to VND 103 billion.
- 2011: Increased charter capital to VND 175.09 billion.
- 2013: Increased charter capital to VND 308.23 billion.
- 2014: Increased charter capital to VND 347.71 billion.
