Penchun Jarikasem

Ritta Holdings Co. Ltd. is a construction company based in Bangkok, Thailand. The Thai company specializes in providing details such as direct cost, indirect cost, and overhead & profit necessary for construction through their bill of quantity (BOQ). The private company also engages in various activities such as planting mangrove forests in the Bang Khun Thian mangrove learning center area. The company was founded by five individuals, Mr. Suwat Chaopricha, Mr. Uthorn Phusitkanchana, Mr. Kamol, and others, in a no-frill shophouse in uptown Bangkok.

TISCO Bank Public Co. Ltd. engages in the provision of financial services. It operates through the following segments: Retail Banking Business, Corporate Banking Business, and Treasury Investment and Other Business. The Retail Banking Business segment provides credit facilities to retail customers. The Corporate Banking Business segment offers financial services in the form of loans and related services to corporate clients for commercial purposes. The Treasury Investment and Other Businesses segment deals with the asset and liability management activities of the bank and other businesses. The company was founded in 1969 and is headquartered in Bangkok, Thailand.

The State Railways of Thailand is a company headquartered in Bangkok, Thailand and ultimately controlled by the Government of Thailand. The firm operates railways in Thailand.