Phisal Thepsithar

The Group's principal activities are the residential and commercial property development and property investment such as detached houses, townhouses, apartments, and plots of land. Most of the major projects are in Bangkok Metropolitan area. The Group also possesses undeveloped plots of land both in Bangkok Metropolitan area and provincial area.

President Rice Products Public Co. Ltd. engages in the manufacture, sale, and export of semi-instant foods. Its products include instant rice, rice vermicelli, rice noodles, flat noodles, kua chap, bean vermicelli, cooking rice soup, porridges, and halal products. The company was founded on April 24, 1981 and is headquartered in Bangkok, Thailand.

Bangkok Mass Transit System Public Co., Ltd. engages in the operation of an elevated mass transit system. Its operations are carried out through the following segments: Elevated Mass Trandit System, Rental, Real Estate development, Advertising Services, and Others. The company was founded in 1992 and is headquartered in Bangkok, Thailand.

National Health Security Office operate public health organization. It serves as the secretariat of the the National Health Security Board and the Standard and Quality Control Board to manage National Health Security Fund and develop public health services to provide most beneficial to the people. The company was founded in 2002 and is headquartered in Bangkok, Thailand.