Association of Southeast Asian Nations
International Federation of Surveyors
Surveying & Spatial Sciences Institute
Singapore Land Authority
Badan Informasi Geospasial
Lembaga Jurukur Tanah Malaysia
National Mapping & Resource Information Authority
Persatuan Juruukur Tanah Bertauliah Malaysia
Royal Thai Survey Department
Survey Department, Ministry of Development, Brunei Darussalam
Ministry of Natural Resources & Environment Vietnam
Ministry of Land Management Urban Planning & Construction Cambodia
