Prisana Praharnkhasuk

PTT International Co. Ltd. provides petroleum exploration services. It offers petroleum products. The company was founded on October 1, 2007 and is headquartered 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 company is based in Singapore, Singapore. The company is ultimately controlled by the Government of Thailand.

Part of PT Astrindo Nusantara Infrastruktur Tbk, PTT Mining Ltd. operates as a holding Chinese company with interests in nonmetallic mineral and coal mining, petroleum refining. The company is based in Hong Kong, Hong Kong. The company was founded in 2008. PTT Mining was acquired by PT Astrindo Nusantara Infrastruktur Tbk from PTT Public Co., Ltd. on February 15, 2023 for $61.91 million.

The Federation of Accounting Professions operates as a professional membership organization. The non-profit company is based in Bangkok, Thailand.

Part of Thai Solar Energy Public Co. Ltd., Siam Solar Power Co. Ltd. generates electricity. The company is based in Huaykwang, Thailand. Siam Solar Power Co. was acquired by Solar Visible Co. Ltd. from Siam Steel Gratings Co. Ltd. on November 14, 2019 for $19.24 million.

WCF Mutual Insurance Co. provides workers' compensation insurance coverage and resources for various industries. The company is ultimately controlled by the State of Utah and is based in Sandy, UT. The company's services include coverage for agriculture, construction, healthcare, hospitality, manufacturing, and transportation. Ray David Pickup has been the CEO of the company since 1993.

The Siam Commercial Bank Public Co. Ltd. engages in the banking business. The firm involves in personal banking, business banking, and wholesale banking. It operates through the following segments: Corporate, SME, Retail, Insurance, and Others. The Corporate Segment serves corporate and commercial customers. The SME Segment is engaged in SME customers and small businesses. The Retail Segment which serves individual. The Insurance segment provides life and non-life insurance products through subsidiary companies and the Bank's distribution channel. The Others segment includes the income from the Banks’ interbank and money market and investments that is not allocated to a specific business unit. The company was founded on January 30, 1907 and is headquartered in Bangkok, 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 company are Nitas Krongvanitchayakul and Suthasinee Muenlamay.