PTT Public Co.,Ltd.
  Thai Airways International Public Co.,Ltd.
  The Siam Cement Public Co.,Ltd.
  Thai Cane Public Co.,Ltd.
  Thai Union Paper Public Co.,Ltd.
  Big C Supercenter Public Co.,Ltd.
  The British Security Printing Public Co.,Ltd.
  Thai Union Frozen Printing Public Co.,Ltd.
  Amarin Printing and Publishing Public Co.,Ltd.
  Procter&Gamble Manufacturing
     (Thailand)Co.,Ltd.
  Siam Kraft Industry Co.,Ltd.
  The Concrete Products and Aggregate Co.,Ltd.
  Siam Compressor Industry Co.,Ltd.
  Siam Reserch and Development Co.,Ltd.
  Siam Sanitaryware Industry Co.,Ltd.
  Siam Kubota Industry Co.,Ltd.
  Thai Containers (TCC) Co.,Ltd.
  Thaicane Paper Industry (Prajinburi)

  Thaicane Paper Industry (Kanjanaburi)
  Cement Thai Logistic (Rangsit) Co.,Ltd.
  Thailand Post Co.,Ltd.
  The Transport Co.,Ltd.
  Sime Darby Thailand Co.,Ltd.
  Performance Motors(/ Thailand) Co.,Ltd.
  University of The Thai Chamber of Commerce
  Phranakhon Rajabhat University
  Rattanakosin View Mansion
  Ratchada Orchid Condominium
  Forum Tower Co.,Ltd.
  Office of the National Culture Commission
  PTT. Research & Technology Institute
  PTT. Eastern Pretroleum Terminal (Chonburi)
  PTT. Bangkok Pretroleum Terminal
      Phakanong
  Cement Thai Home Service (Home Mart)
  Mass Rapid Transit Authority of Thailand
  Ministry Of Foreing Affairs, Kingdom
     Of Thailand