Major Shareholders
as of 31 May 2026
Foreign Investors 19.56% (Foreign Limit 30%), Paid-up Capital THB 1,663.73 million.
Note
PWA : Provincial Waterworks Authority, a state enterprise responsible for the production and distribution of tap water outside Bangkok
IEAT : Industrial Estate Authority of Thailand, a state enterprise responsible for the development and establishment of industrial estates
UOBKH : UOB KAY HIAN PTE LTD A/C - RC
No. Shareholder Number of Shares Percentage
1 Provincial Waterworks Authority 668,800,000 40.20%
2 UOB KAY HIAN PTE LTD A/C - RC 311,443,190 18.72%
3 Industrial Estate Authority of Thailand 76,000,000 4.57%
4 Mr. Parinya Tieanworn 55,000,000 3.31%
5 Thai NVDR Company Limited (NVDR) 34,026,792 2.05%
6 Mr. Somchai Limthirakun 18,904,000 1.14%
7 Mr. Prasong Limcharoen 13,600,000 0.82%
8 Mrs. Supa Supantharida 11,875,400 0.71%
9 Mr. Wachira Tayanaraporn 10,000,000 0.60%
10 Mr. Supachai Paiboonpol 8,000,000 0.48%
Others 456,075,767 27.41%
1,663,725,149 100%