List of the 10 major shareholders as of May 05, 2021 is as follow:
| Name of Shareholders | No. of Equity Shares | Shareholding (%) |
|---|---|---|
| 1. UNION PETROCHEMICAL PUBLIC COMPANY LIMITED | 221,596,466 | 66.99 |
| 2. Miss Wananthorn Kitvanichsathien | 13,745,300 | 4.16 |
| 3. Mrs. Kanok-orn Bodinrat | 8,842,100 | 2.67 |
| 4. นายพีรเจต สุวรรณนภาศรี | 5,331,500 | 1.61 |
| 5. MR.VARIT BHO-OB | 4,070,091 | 1.23 |
| 6. บริษัท Thai NVDR Company Limited | 3,779,036 | 1.14 |
| 7. บริษัท MECT COMPANY LIMITED | 2,687,900 | 0.81 |
| 8. Mr. Pornchai Tanuputtarachai | 2,567,300 | 0.78 |
| 9. MR. WORAWIT CHAROENKOBOONMA | 2,053,100 | 0.62 |
| 10. นาง ธันยนันท์ เรืองไชย | 1,850,000 | 0.56 |