- Heavy construction (Civil & industrial infrastructure, transport construction and infrastructure)

- Building materials manufacturing (Concrete, construction stones)

- Others under the business license.

- 1993: Established as Cambodia Construction Company and a member of Song Da Corporation

- 2002: Renamed as Song Da No.3 JSC

- 2005: Equitized and renamed as Song Da No.3 Joint Stock Company with the initial charter capital of VND2.7 billion

- December 25, 2006: Listed on Hanoi Stock Exchange (HNX).

- 2006: Increased the charter capital to VND20 billion

- 2008: Increased the charter capital to VND80 billion

- 2011: Increased the charter capital to VND160 billion.

- September 26, 2012: Delisted from Hanoi Stock Exchange (HNX).

- December 24, 2013: Traded on UPCOM market.