List Mill RSPO / Link Mill RSPO Mill 2020 1.S.P.O. AGRO INDUSTRIES CO,.LTD. 2.UNIVANICH PALM OIL. 3.THAI TALLOW AND OIL CO,.LTD. Mill 2021 1.S.P.O. AGRO INDUSTRIES CO,.LTD. 2.UNIVANICH PALM OIL. 3.THAI TALLOW AND OIL CO,.LTD. Mill 2022 1.UNIVANICH PALM OIL. 2.S.P.O. AGRO INDUSTRIES CO,.LTD. 3.THAI TALLOW AND OIL CO,.LTD. 4.THAI EASTERN GROUP. Mill 2023 1.S.P.O. AGRO INDUSTRIES CO,.LTD. 2.CHUMPORN PALM OIL INDUSTRY. 3.THAI TALLOW AND OIL CO,.LTD. 4.SRIJAROEN PALM OIL CO.,LTD. 5.SMOTHONG GROUP CO.,LTD. 6.SANG SIRI GROUP CO.,LTD. 7.PITAK PALM OIL CO.,LTD. 8.THAI EASTERN GROUP. 9.UNIVANICH PALM OIL.