- Exploiting, cleaning and distributing clean water.

- Installing of water pipelines.

- Trading materials and equipment of water sector.

- 2004: Phu My Water Supply JSC (PhuMy Wasuco) was established under the business license granted by Department of Planning and Investment of Ba Ria - Vung Tau province with the initial charter capital of VND24,578 billion.

- February 27, 2007: Increased charter capital to VND 37.89 billion;

- April 19, 2007: Increased charter capital to VND 52.89 billion;

- June 4, 2009: Increased charter capital to VND 66.11 billion;

- November 2, 2011: Increased charter capital to VND 90 billion;

- May 30, 2014: Increased charter capital to VND 117 billion;

- October 19, 2015: Increased charter capital to VND 160 billion;

- February 24, 2016: Increased charter capital to VND 200 billion;

- July 17, 2017: Increased charter capital to VND 260 billion;

- March 25, 2019: Increased charter capital to VND 300 billion;

- June 2019: Increased charter capital to VND 330 billion;

- July 17, 2019: Traded on UPCOM market;