Nongnutch Thienpaitoon

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.

Double A (1991) Plc manufactures and sells paper in domestic and international markets. It offers paper, writing and correction, stapler and cutting tools, filing and storage, adhesive, and toner products. The company was founded by Kitti Dumnernchanvanit in March 1989 and is headquartered in Chachoengsao, Thailand.

KTB Leasing Co., Ltd. operates in the leasing and finance lease industry. The company is based in Bangkok, Thailand. The company is a subsidiary ultimately controlled by the Government of Thailand.

Bangkok Metro Public Co. Ltd. engages in the provision of metro services. It operates through the Mass Rapid Transit Authority of Thailand (MRTA) Initial System Project and Commercial Development Business segments. The Commercial Development Business segment includes rental of retail space, and the provision of advertising media services and telecommunication services in underground train stations. The company was founded on February 18, 1998 and is headquartered in Bangkok, Thailand.

Krungthai-AXA Life Insurance Public Co., Ltd. (Krungthai-AXA) is an insurance management firm headquartered in Bangkok, Thailand. The firm was founded in 1997 through a joint venture between Krung Thai Bank PCL and the AXA Group. Krungthai-AXA offers a range of products and services in property-casualty insurance, life and savings, and asset management. Their clients include individuals, organizations, institutions, government and state agencies and all sizes and types of businesses.

Dhipaya Insurance Public Co., Ltd. engages in the provision of non-life insurance services. It operates through the following segments: Fire, Marine and Transportation, Motor, Personal Accident, and Miscellaneous. The Fire segment provides protection against the loss or damage caused by fire, lightning, and explosion from gas, which is used as fuel in cooking. The Marine and Transportation segment offers protection for insured properties against the damage or loss of properties including goods, hulls, and transporters' liability during both international and domestic transit. The Motor segment includes protection against damage and loss of insured vehicles due to natural disasters and accidents. The Personal Accident segment consists of personal accident and travel accident insurance. The Miscellaneous segment comprises money, burglary, machinery, aviation, petrochemical and energy, and all other risks insurance. The company was founded by Sarit Dhanarajata on November 9, 1951 and is headquartered in Bangkok, Thailand.