The Company's major shareholders, as of 21 April 2026, are as follows:
| No. | Group/List of major shareholders | Number of shares (shares) | % of shares |
|---|---|---|---|
| 1 | GS YUASA INTERNATIONAL LTD. | 43,789,450 | 40.69 |
| 2 | Metropolitan Motor Service Co.,Ltd. | 20,584,370 | 19.13 |
| 3 | Siam Motor Part Co.,Ltd. | 13,243,912 | 12.31 |
| 4 | Fuij Mercantile Co.,Ltd. | 6,971,600 | 6.48 |
| 5 | Central Agency Co.,Ltd. | 5,865,100 | 5.45 |
| 6 | Mr. Chatchai Sriwattanaviboon | 1,720,000 | 1.60 |
| 7 | Mrs. Pakrampai Wattanakul | 1,341,200 | 1.25 |
| 8 | Mr. Prakasit Phornprapha | 1,237,688 | 1.15 |
| 9 | Thai NVDR Company Limited | 1,042,621 | 0.97 |
| 10 | Mr. Pornchak Manutham | 1,000,000 | 0.93 |
| 11 | Ms. Chanchai Manutham | 934,500 | 0.87 |
| 12 | Mr. Akalak Uthai | 540,000 | 0.50 |