- Constructing and installing power works.

- Designing and manufacturing steel structures.

- Exploiting minerals.

- Investing in hydropower projects.

- Investing and trading real estate.

- March 02,1963: Power Line & Station Construction Company was established;

- 1979: Renamed as Power Line & Station Construction Company No.1;

- 1988: Power Construction Company No. 1 was established through merging between Power Line & Station Construction Company No.1 and Hanoi Power Line & Station Construction Company;

- 2005: Equitized and renamed as Power Construction Joint Stock Company No. 1 with a charter capital of VND50 billion;

- August 2008: Increased the charter capital to VND66.67 billion;

- September 2009: Increased the charter capital to VND100 billion;

- February 2011: Increased the charter capital to VND140 billion;

- June 2013: Increased the charter capital to VND180 billion;

- July 2014: Increased the charter capital to VND201 billion;

- November 2015: Increased the charter capital to VND341,694,850,000;

- June 2016: Increased the charter capital to VND637,821,960,000;

- August 2016: Increased the charter capital to VND752,629,140,000;

- November 16, 2016: Listed on Ho Chi Minh Stock Exchange (HOSE);

- August 09, 2017: Increased the charter capital to VND978,413,200,000;

- December 11, 2017:  Increased the charter capital to VND1,154,528,420,000;

- October 18, 2018: Increased the charter capital to VND1,327,702,940,000;

- August 21, 2019:  Increased the charter capital to VND1,593,239,290,000;

- January 08, 2021: Increased the charter capital to VND1,911,881,590,000;