Rapeepan Luangaramrut

Vinythai Public Co., Ltd. engages in the manufacture and distribution of petrochemical products. It operates through the Vinyl and Biochemical segments. The company was founded on December 27, 1988 and is headquartered in Bangkok, Thailand.

TPT Petrochemicals Public Co. Ltd. engages in manufacture of Purified Terephthalic Acid (PTA). The company offers PTA, a a major raw material of polyester used in the textile, non-woven, automotive, bottling and packing industries including generation of electricity and steam for the PTA operation. TPT Petrochemicals Public was formerly known as Tuntex Petrochemicals (Thailand) Co. Ltd and changed its name to TPT Petrochemicals Public in April 2005. TPT Petrochemicals Public was founded in November 1991 and is headquartered in Bangkok, Thailand.

Samart Infonet Co. Ltd. provides Internet services in Thailand. It offers FTTx services, G.SHDSL services, MPLS services, leased line services, gigabit Internet services, URL filtering services and mail security services. The firm provides Internet with various options, including dial-up interface; the high-speed Internet, such as ISDN, ADSL, SDSL, and MPLS; gigabit Internet; and the leased lines, including supplementary services to customers at home and business organizations. The company was founded on March 5, 1996 and is headquartered in Nonthaburi, Thailand.