- Building civil, industrial, transport works, airport, harbors, bridges, electrical substations.

- Building telecom constructions, information techonology.

- Installing, operating, maintaining telecommunication and information technology equipment.

- Others under the business license.

- Oct 30, 1976: Post and Telecommunications Investment and Construction Joint Stock Company, formerly known as Post and Telecommunications Construction Company, was established;

- Dec 15, 2004: Changed to Post and Telecommunications Investment and Construction Joint Stock Company with charter capital of VND35 billion;

- Oct 2006: Increased the charter capital to VND50 billion;

- Oct 2007: Increased the charter capital to VND100 billion;

- December 08, 2008: Listed on Ho Chi Minh Stock Exchange (HOSE);

- December 15, 2008: Traded on Ho Chi Minh Stock Exchange (HOSE);

- October 2015: Increased the charter capital to VND177,99 billion;