| Acronym | Definition |
|---|
| NIES➣National Institute for Environmental Studies |
| NIES➣Newly Industrializing Economies |
| NIES➣Nanjing Institute of Environmental Sciences (China) |
| NIES➣National Industry Extension Service (Australia) |
| NIES➣Northern Ireland Electricity Service |
| NIES➣Nauru Island Effect Study (Atmospheric Radiation Measurement Climate Research Facility; US Department of Energy) |
| NIES➣National Imagery Exploitation System (National Imagery and Mapping Agency) |