Preecha Ekkunagul

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.

Robinson Public Co. Ltd. engages in the operation of department store chains. It offers ladies', men's and children's wear, cosmetics, accessories, home decoration, household apparatus, gifts, toys, and other types of products. The company was founded in October 1979 and is headquartered in Bangkok, Thailand.

Siam Future Development Public Co., Ltd. engages in the development and management of shopping centers. Its business includes rental of building space and provision of utilities services. The company was founded by Pongkit Suttapong and Nopporn Witoonchart on August 29, 1994 and is headquartered in Bangkok, Thailand.

COL Public Co. Ltd. engages in the distribution and supply of stationery and office equipment by sales order through catalog, call-center, and electronic commercial system. It offers books, stationery art and supplies, learning and recreational equipment for children. It also provides cosmetic products, home appliances, household supplies, toys, and fashionable Items. The company was founded on February 28, 1994, and is headquartered in Bangkok, Thailand.