- Building industrial, public, civil, housing, hydropower, irrigation, transportation constructions.

- Exploiting, manufacturing and trading construction materials, concrete structure, steelwork and construction equipments.

- Others under the business lisence.

- Jun 22, 2004: Song Da 505 Joint Stock Company was established on the basis of Song Da 505 Enterprise under Song Da 5 Company.

- Sep 1, 2004: Song Da 505 Joint Stock Company officially came into operation with the initial charter capital of VND7 billion.

- Dec 22, 2006: Traded on Hanoi Stock Exchange (HNX).

- March 28, 2007: Increased charter capital to VND24.96 billion.

- 2015: Increased charter capital to VND49.92 billion.

- 2017: Increased charter capital to VND59.90 billion.

- 2018: Increased charter capital to VND100 billion.