Surong Bulakul

Part of Thai Oil Public Co. Ltd., Thai Lube Base Public Co., Ltd. is a company that refines and produces lube base oil products. The company is based in Cholburi, Thailand. The CEO of the company is Abhinant Supatrabutra. Thai Lube Base Public Co. was acquired by Thai Oil Public Co. Ltd. from Nippon Oil Corp. on October 20, 2004 for $48.34 million.

Thaioil Power Co. Ltd. is engaged in generation of electric power. The company operates and manages a natural gas-fired combined-cycle co-generation power plant. Thaioil Power was founded in 1997 and is headquartered in Bangkok, Thailand.

National ITMX Co. Ltd. is a Thai company that specializes in inter-bank transaction management and exchange system. The private company is based in Bangkok, Thailand.

Port Authority of Thailand provides port and harbor support services to its flagship Bangkok and Laem Chabang ports and five regional ports across the country. The company was established in 1951 and is headquartered in Bangkok, Thailand.

Sakari Resources Ltd. is an investment holding company, which engages in the exploration, mining and marketing of coal. The firm also provides management and marine engineering services. The company was founded on June 10, 1995 and is headquartered in Singapore.

Provincial Electricity Authority provides electric services. It provides electrical equipment, supplies and consulting services. The company is located in Bangkok, Thailand.

PTT Green Energy Pte Ltd. manufactures palm and its related products. The company is headquartered in Singapore.

The Thai Chamber of Commerce is a chamber of commerce based in Bangkok, Thailand.

Bangkok Industrial Gas Co., Ltd. distributes industrial gases. The joint venture company is based in Bangkok, Thailand.

PTT International Trading Pte Ltd. is a Singaporean company that specializes in procuring, importing, exporting, and international trading of crude oil, petroleum, and petrochemical products. The private company is based in Singapore, Singapore. The company is ultimately controlled by the Government of Thailand.

Independent Power Thailand Co. Ltd. owns and operates a power plant. The company is headquartered in Chonburi, Thailand.

Part of Nathalin Co. Ltd., Truth Maritime Co. Ltd. is an investment holding Thai company. The company is based in Bangkok, Thailand. The CEOs of the private company are Nitas Krongvanitchayakul and Suthasinee Muenlamay.

GC Marketing Solutions Co. Ltd. engages in the sales and marketing of polymers. Its products include high density polyethylene, low density polyethylene and linear low density polyethylene, polypropylene and polystyrene. The company was founded in June 2005 and is headquartered in Bangkok, Thailand.

Thaioil Ethanol Co., Ltd. provides oil refining services and is ultimately controlled by the Government of Thailand. The private company is based in Bangkok, Thailand.

PTT International Trading DMCC engages in the trade of petroleum products, including fuel oil lubricants, diesel, jet fuel and gas oil. The company was founded in 2008 and is headquartered in Dubai, United Arab Emirates.

Thaioil Solvent Co., Ltd. is a company that manufactures petrochemical, lube oils, ethanol and chemical solvent products. The private company is based in Chatuchak, Thailand. The company is a subsidiary of Thaioil Group and ultimately controlled by the Government of Thailand. The company was founded in 2008. The CEO is Chaiwat Damrongmongkolgul.

Expressway Authority of Thailand is engaged in provision of expressway services. The company was founded in 1972 and is headquartered in Bangkok, Thailand.

Sapthip Co., Ltd. produces ethanol and is ultimately controlled by the Government of Thailand. The private company is based in Bangkok, Thailand.

24M Technologies, Inc. develops energy storage systems. It offers a battery technology that provides storage for power grid and transportation markets. The company was founded by Yet-Ming Chiang, W. Craig Carter and Throop M. Wilder in 2010 and is headquartered in Cambridge, MA.

Wind Energy Holding Co., Ltd. is a holding company, which engages in renewable energy business. It develops project portfolio and obtain approval for a commercial-scale power purchase agreement from EGAT for wind farm projects. The company was founded by Nopporn Suppipat on January 27, 2009 and is headquartered in Bangkok, Thailand.