Index International Group PCL.

recognized and trusted by government agencies and the private sector, both domestic and international organizations.

  • Don Muang Tollway Public Company Limited
  • State Railway of Thailand
  • Royal Irrigation Department
  •  Marine Department
  • Department of Public Works and Town & Country Planning
  • Metropolitan Waterworks Authority
  • Bangkok
  • Property and Sports Management Office
  • Thai Aviation Refuelling Co.,Ltd
  • Fuel Pipeline Transportation Limited
  • Department of Rural Roads
  • Neighbouring Countries Economic Development Cooperation Agency (Public Organization)
  • Office of Transport and Traffic Policy and Planning
  • ท่าอากาศยานสุวรรณภูมิ
  • Airports of Thailand
  • Bangkok Mass Transit System Public Company Limited
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