- Constructing underground, civil, industrial, transportation, irrigation, hydropower, water supply and sewerage works, powerlines and transforming stations up to 110 KV.

- Manufacturing and installing industrial equipments.

- Producing construction materials.

- Trading machines, equipment, facilities and construction materials.

- Others under the business registration certificate.

- May 28, 2003: Underground Works Construction Joint Stock Company was established with an initial charter capital of VND5 billion;

- December 20, 2006: Listed on Hanoi Securities Trading Center;

- May 26, 2016: Traded on the UPCOM market;