Hoovers : database offers comprehensive insight and analysis
   more than 32 M company profiles, more than 37 M key people
  and leverage in - depth industry overiews. with the powerful tools
   to find and connect to fet business done. URL : Hoovers

  First Research : the leading provider of industry intelligence
   tools  include industry profiles over 600 industry segments,
   current information about target markets' challenges, opportunities,
   critical industry statistics, issues and news. URL : First Research

  Corpus :database offer company profile more than
  840,000 cooperated companies in Thailand and financial analysis
  tool for executive's decision making to run business. URL : Corpus