Umyos Huvanandana

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.

CIMB Securities International (Thailand) Public Co. Ltd. is engaged in securities business operations. Its operations are carried out through Securities Brokerage Business, Derivatives Trading Business, Mutual Fund Selling Agent, Securities Underwriting Business, Securities Trading Business, Investment Consultation Business, Financial Advisory Business, and Private Fund Management Business. The Securities Brokerage Business involves securities brokerage through cash account, cash balance account and credit balance account. The Derivatives Trading Business includes futures contract, options contract, stock futures contract, and gold futures contract. The Mutual Fund Selling Agent is the service of selling agent for unit trusts of mutual funds, as another investment alternative for investors wishing to invest in mutual funds. The Securities Underwriting Business includes underwriting service, either as a lead underwriter or an underwriter for securities issuer. The Securities Trading Business involves the investment of securities or derivatives, either issued by government agencies, state enterprises or private companies, as well as debt and equity instruments, both in short-term and long-term. The Investment Consultation Business offers advisory service to general or private placement investors. The Financial Advisory Business includes advisory services on sale of securities via public offerings or private placement. The Private Fund Management Business is the management of a client's private fund according to a mutually-agreed investment policy. The company changed its name from SICCO Securities Public Co. Ltd. in May 2012. It was founded on October 28, 1998 and is headquartered in Bangkok, Thailand.

Mae Fah Luang Foundation provides social services. The non-profit company is based in Bangkok, Thailand. and has subsidiaries in Thailand.

SGV-Na Thalang & Co. Ltd. is a company based in Bangkok, Thailand.

Part of Tongkah Harbour Public Co. Ltd., Sea Minerals Ltd. is a Thai company that explores and mines for minerals. The company is based in Bangkok, Thailand. The CEO of the company is Wai Choi Ronald Ng.