Somboon Setsuntipong

Siam Sindhorn Co. Ltd. is a Thai company that provides real estate services. The private company is based in Bangkok, Thailand. and has subsidiaries in the Europe and Asia regions. Chalaluck Bunnag has been the CEO of the company since 2011.

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.

PT (Sole) Co. Ltd. is a construction company based in Vientiane Capital, Lao People's Democratic Republic. PT (Sole) Co. operates as a Laotian construction company. The private company was founded in 2005. David van Dau has been the CEO of the company since 2010.

PTT Aromatics & Refining Public Co. Ltd. manufactures cyclic organic crudes and intermediates. The company's principal activities are aromatics and refinery businesses. It supplies and refines petroleum products, such as liquefied petroleum gas, light naphtha and reformate, middle distillates including jet fuel and diesel and heavy products including fuel oil. The group is also engaged in the production and sale of aromatics products, which includes benzene, paraxylene, orthoxylene, toluene and mixed xylenes. The company was founded on September 13, 2007 and is headquartered in Bangkok, Thailand.