- Investment, construction, management and operation of hydropower plants.

- Construction of civil and industrial works, electrical lines and electrical transformer stations.

- Other under business license.

- 15 May 2007: SeSan 4A HydroElectric Joint Stock Company was established;

- Nam 2008: Construction of Se San 4A Hydropower Plant was commenced;

- 2011: Se San 4A Hydropower Plant came into operation;

- 2013: Raised the charter capital from VND360 billion to VND422 billion;

- 26 April 2016: Listed on Hochiminh Stock Exchange (HOSE);

- 27 May 2016: Traded on Hochiminh Stock Exchange (HOSE);