- Heavy construction (hydropower plants, thermal power plants, urban transport, irrigation, plumbing, electrical lines & transformer stations and other civil constructions)

- Manufacturing building materials (concrete)

- Industrial machinery (mechanical equipment, plumbing equipment).

- Others business under license

- 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.