GOVERNMENT SECTOR

• The Secretarist of The Cabinet
• Office of the National Economic and Social Development Board
• Royal Irrigation Department
• Department of Water Resouces
• Department of Groundwater Resources
• Department of Marine and Coastal Resources
• Land Development Department
• Agricultural Land Reform Office
• Royal Forest Department
• Department of Mineral Resouces
• Department of Primary Industries and Mines
• Office of Natural Resources and Environmental Policy and Planning
• Department of Environmental Quality Promotion
• Pollution Control Department
• Department of Disaster Prevention and Mitigation
• Bangkok Metropolitan Administration
• Department of Public Works and Town & Country Planning
• Designated Areas for Sustainable Tourism Administration (Public Organization)
• Department of Tourism
• Energy Policy and Planning Office
• Department of Alternative Energy Development and Efficiency
• Office of Transport and Traffic Policy and Planning
• Department of Highway
• Department of Rural Road
• Marine Department
• Department of Civil Aviation

STATE ENTERPRISE

• The Metropolitan Waterworks Authority
• The Provincial Waterworks Authority
• WasteWater Management Authority
• The Tourism Authority of Thailand
• The Industrial Estate Authority of Thailand
• Provincial Electricity Authority
• Port Authority of Thailand
• The State Railway of Thailand
• Airports of Thailand Public Company Limited

INTERNATIONAL ORGANIZATION

• World Bank
• Kreditanstalt für Wiederaufbau (KfW)
• Japan International Cooperation Agency (JICA)
• Asian Development Bank (ADB)

PRIVATE SECTOR

• PEA ENCOM International Co.,Ltd.
• PTT Green Energy (Thailand) Co.,Ltd.
• Eastern Water Resources Development and Management Public Co., Ltd.
• Sahaviriya Steel Industries Public Co., Ltd.
• C.P.LAND Public Co., Ltd.
• Central Pattana Public Co., Ltd.
• Siam Makro Public Co., Ltd.
• Ek-Chai Distribution System Co., Ltd.
• Charoen Pokphand Foods Public Co., Ltd.
• Ratchaburi Energy Co., Ltd.
• Electricity Generating Public Co.,Ltd.
• Carabao Tawandang Co.,Ltd.