| Government |
- Ministry of Post & Telecommunications
- Ministry of Education and Training
- Ministry of Industry
- Ministry of Science and Technology
- Ministry of Natural Resources and Environment
- Ministry of Agriculture and Rural Development
- Ministry of Construction
- Ministry of Interior
- Ministry of Defense
- Provincial People’s Committees
|
| Metrology |
- Directorate for Standards and Quality
- Vietnam Metrology Institute
- Regional and provincial quality assurance and test centers
- Vietnam laboratory accredited system (Vilas)
- Metrology system for military purposes
|
| Electricity |
- Electricity of Vietnam and its member Companies
- Other construction and erection companies of Electricity
|
| Construction |
- Institutes, Services, Measuring centers and other companies under Ministry of Construction
- Civil engineering, industrial, communication constructional companies
- Constructional consultant, survey, design companies
|
| Industry |
- Companies, factories, plants in various kind of industries, especially Oil & Gas companies
|
| Environment |
- Measuring Departments under Ministry of National Resources and Environment
|
| Education |
- Universities, colleges, high schools, vocational schools
- Research institutes, technology research centers
|
| Others |
- Local and overseas investment projects
|