Sun Vithespongse

Big C Supercenter Public Co., Ltd. owns and operates hypermarkets and retails goods. It operates through the Hypermarket and Small Store business segments. The Hypermarket segment comprises large stores operated under Big C Supercenter, Big C Extra, and Big C Jumbo trade names. The Small Store segment consists of supermarkets operated under the name Big C Markets, community shops operated under the name Mini Big C, and drugstores operated under the name Pure. The company was founded in 1993 and is headquartered in Bangkok, Thailand.

Gulf Electric Public Co. Ltd. provides energy management systems and services. The company is located in Bangkok, Thailand

Bank of Thailand provides financial services. It supervises, monitors and examines the operations of commercial banks, financial and credit foncier companies, international banking facilities and asset management companies. The company was founded in 1939 and is headquartered in Bangkok, Thailand

Electricity Generating Authority of Thailand engages in the generation, procurement, transmission, and distribution of electricity. It also offers electricity related engineering, construction, maintenance, and consulting services. The company was founded on May 1, 1969 and is headquartered in Nonthaburi, Thailand.

Expressway & Rapid Transit Authority provides transportation services. Its services include construction, maintenance and management of expressways and public transportation infrastructures. The company was founded in November, 1972 and is headquartered in Bangkok, Thailand.