- 18 February 1957, X20 Joint Stock Company, formerly known as Garment Sewing Workshop, was established to supply military clothes;
- December 1962: Renamed as 20 Garment Enterprise;
- 12 February 1992: Transformed into 20 Garment Company;
- 17 March 1998: Renamed as 20 Company under the Decision No 319/1998/QD-TP issued by Ministry of National Defense;
- 01 January 2009: Transformed into X20 Joint Stock Company;
- 28 December 2017: Listed on Hanoi Stock Exchange (HNX);
- 05 February 2018: Traded on Hanoi Stock Exchange (HNX);