Prayad Liewphairatana
Net worth: 16 M $ as of 2026-05-30
Net worth: 16 M $ as of 2026-05-30
Prayad Liewphairatana currently works at TPI Polene Public Co. Ltd., as Co-President & Executive Director from 2012, United Grain Industry Co., Ltd., as President & Executive Director from 1988, Leophairatana Enterprise Co. Ltd., as Executive Director from 1973, Pornchai Enterprises Co. Ltd., as Executive Director, TPI Concrete Co. Ltd., as Executive Director from 1991, Thai Nitrate Co. Ltd., as Executive Director from 2016, Thai Special Steel Industry Public Co. Ltd., as Executive Director, Thai Propoxide Co. Ltd., as Executive Director, TPI All Seasons Co. Ltd., as Executive Director, Mondo Thai Co. Ltd., as Executive Director from 1996, TPI Polene Power Public Co., Ltd., as Executive Director from 2016, International Trading Development Corp.
Ltd., as Executive Director, BUI Life Insurance Co., Ltd., as Executive Director from 1997, TPI Aromatics Public Co., Ltd., as Director from 1995, TPI Polene Bio Organics Co., Ltd., as Executive Director from 2010, Polene Plastic Co., Ltd., as Executive Director from 2002, TPI Refinery (1997) Co., Ltd., as Director, TPI Intertrade Co., Ltd., as Director, Lian Thai Apparel Co. Ltd., as Director, TPI Service Co. Ltd., as Director, TPI Bio Pharmaceuticals Co. Ltd., as Executive Director, Polene Silicon Co. Ltd., as Executive Director from 2002, TPI Healthcare Co. Ltd., as Executive Director, Thai Plastic Products Co., Ltd., as President from 1988, and Thai Plastic Film Co. Ltd., as President from 1989.
Mr. Liewphairatana also formerly worked at Thai ABS Co. Ltd., as Director in 2006, T.P.I.
Oil Co. Ltd., as Director in 2006, and International Plastic Trading Co., Ltd., as Director from 1981 to 2006.
Mr. Liewphairatana received his graduate degree from the University of Michigan.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-11 | 640,167,868 ( 3.35% ) | 16 M $ | 2026-05-30 |
| Companies | Position | Start |
|---|---|---|
| TPI POLENE | President | 1986-12-31 |
| TPI POLENE POWER | Director/Board Member | 1990-12-31 |
TPI All Seasons Co. Ltd.
TPI All Seasons Co. Ltd. Industrial SpecialtiesProcess Industries Manufactures and supplies EVA encapsulant sheets | Director/Board Member | - |
Polene Silicon Co. Ltd. | Director/Board Member | 2001-12-31 |
Lian Thai Apparel Co. Ltd.
Lian Thai Apparel Co. Ltd. Apparel/FootwearConsumer Non-Durables Manufactures clothing apparels | Director/Board Member | - |
TPI Bio Pharmaceuticals Co. Ltd. | Director/Board Member | - |
International Trading Development Corp. Ltd. | Director/Board Member | - |
TPI Refinery (1997) Co., Ltd.
TPI Refinery (1997) Co., Ltd. Chemicals: Major DiversifiedProcess Industries Manufactures raw materials and chemical products | Director/Board Member | - |
TPI Intertrade Co., Ltd.
TPI Intertrade Co., Ltd. Construction MaterialsNon-Energy Minerals Engages in cement and plastic production | Director/Board Member | - |
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Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 29 |
|---|---|
TPI Polene Public Co. Ltd.
TPI Polene Public Co. Ltd. Construction MaterialsNon-Energy Minerals Produces and distributes cement, clinker, ready-made mixed concrete, tiles, lightweight bricks & petrochemicals and chemicals & operates as a power plant | Non-Energy Minerals |
United Grain Industry Co., Ltd.
United Grain Industry Co., Ltd. Miscellaneous ManufacturingProducer Manufacturing Manufactures plastic pallet, jute bags, jute yarn and jute fabric | Producer Manufacturing |
Leophairatana Enterprise Co. Ltd.
Leophairatana Enterprise Co. Ltd. Financial ConglomeratesFinance Operates as an investment holding company | Finance |
University of Michigan
University of Michigan Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Pornchai Enterprises Co. Ltd. | |
Thai Plastic Products Co., Ltd.
Thai Plastic Products Co., Ltd. Chemicals: SpecialtyProcess Industries Manufactures and exports plastics products | Process Industries |
Thai Plastic Film Co. Ltd.
Thai Plastic Film Co. Ltd. Wholesale DistributorsDistribution Services Wholesales plastic film products | Distribution Services |
TPI Concrete Co. Ltd.
TPI Concrete Co. Ltd. Wholesale DistributorsDistribution Services Provides construction materials | Distribution Services |
Thai Nitrate Co. Ltd.
Thai Nitrate Co. Ltd. Chemicals: SpecialtyProcess Industries Manufactures nitric acid | Process Industries |
Thai ABS Co. Ltd. | |
T.P.I. Oil Co. Ltd. | |
Thai Special Steel Industry Public Co. Ltd.
Thai Special Steel Industry Public Co. Ltd. SteelNon-Energy Minerals Manufactures steel | Non-Energy Minerals |
Thai Propoxide Co. Ltd. | |
TPI All Seasons Co. Ltd.
TPI All Seasons Co. Ltd. Industrial SpecialtiesProcess Industries Manufactures and supplies EVA encapsulant sheets | Process Industries |
Mondo Thai Co. Ltd.
Mondo Thai Co. Ltd. Real Estate DevelopmentFinance Owns and operates real estate properties | Finance |
TPI Polene Power Public Co., Ltd.
TPI Polene Power Public Co., Ltd. Electric UtilitiesUtilities Operates waste heat recovery power plants | Utilities |
International Plastic Trading Co., Ltd. | |
International Trading Development Corp. Ltd. | |
BUI Life Insurance Co., Ltd.
BUI Life Insurance Co., Ltd. Life/Health InsuranceFinance Provides life insurance services | Finance |
TPI Aromatics Public Co., Ltd. | |
TPI Polene Bio Organics Co., Ltd. | |
Polene Plastic Co., Ltd.
Polene Plastic Co., Ltd. Chemicals: Major DiversifiedProcess Industries Manufactures and distributes chemicals and plastics products | Process Industries |
TPI Refinery (1997) Co., Ltd.
TPI Refinery (1997) Co., Ltd. Chemicals: Major DiversifiedProcess Industries Manufactures raw materials and chemical products | Process Industries |
TPI Intertrade Co., Ltd.
TPI Intertrade Co., Ltd. Construction MaterialsNon-Energy Minerals Engages in cement and plastic production | Non-Energy Minerals |
Lian Thai Apparel Co. Ltd.
Lian Thai Apparel Co. Ltd. Apparel/FootwearConsumer Non-Durables Manufactures clothing apparels | Consumer Non-Durables |
TPI Service Co. Ltd. | |
TPI Bio Pharmaceuticals Co. Ltd. | |
Polene Silicon Co. Ltd. | |
TPI Healthcare Co. Ltd. |
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