- Building hydroelectric, irrigational, industrial, civil, traffic, drainage and water supply engineering.
- Constructing underground projects and tunnels.
- Manufacturing concrete.
- Developing industrial parks and urban areas.
- 1994: But Son construction Company was established.
- 1996: Renamed as Song Da Construction Company No.8;
- 2005: Renamed as Song Da State-owned Ltd., Co No.8;
- 2007: Renamed as Song Da JSC No.8 with the charter capital of VND28 billion and listed on the Hanoi Stock Exchange (HNX);
- 2013: Delisted from the HNX.