Thongchat Hongladaromp

Sahaviriya Steel Industries Public Co. Ltd. engages in the manufacturing and distribution of hot-rolled coils. The company operates through the following segments: Manufacture of Hot Rolled Coils, Maintenance Services, and Deep-sea Port Services. It also provides marine shipping services; offers high-powered tug boat services; and manufactures and repairs industrial machinery and equipment, mechanical parts, and equipment and steel structures. The company was founded on March 13, 1990 and is headquartered in Bangkok, Thailand.

Part of Sahaviriya Steel Industries Public Co. Ltd., West Coast Engineering Co Ltd is a full-service engineering solution provider based in Bangkok, Thailand. The Thai company offers comprehensive engineering solutions ranging from maintenance management in industrial factories to engineering design services. The company's fabrication service business unit and robotics & automation business unit provide services such as automatic turntable machines with loading arms for roll and pay cable.

Founded in 1970, Linde (Thailand) Public Co. Ltd. is a subsidiary of Linde Plc. The company distributes industrial gas and is based in Samutprakarn, Thailand.

Bangkok Polyethylene Ltd, a subsidiary of PTT Public Co., Ltd., is an Energy Services Contractor operating in the oil and gas industries for over 20 years. The company is based in Sathorn, Thailand. The Thai company, established in March 2000, has a close collaboration and working relationship with major players in the region. With a workforce of 700 to 1000 personnel, Bangkok Polyethylene provides engineering and technical services across various projects. Bangkok Polyethylene was acquired by PTT Public Co., Ltd. on April 29, 2004 for $129.04 million.

TT&T Public Co., Ltd. engages in the provision of telecommunication services. The company was founded on June 29, 1992 and is headquartered in Bangkok, Thaila nd.

Eastspring Asset Management (Thailand) Co., Ltd. (Eastspring Thailand) is a mutual fund management firm headquartered in Bangkok, Thailand. The firm was founded in 1996 and formerly known as TMB Asset Management Co., Ltd. They are a subsidiary of Eastspring Investments (Singapore) Ltd., ultimately held by Prudential Plc (LON: PRU; NYSE: PUK) in Great Britain. Eastspring Thailand provides investment advisory and mutual fund management services to Thai retail investors.

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.