| NIST | National Institute for Standards and Technology 
| Others |
| NIST | National Institute of Science and Technology (India)
| Others |
| NIST | National Institute of Standard and Technology
| Others |
| NIST | National Institute of Standards and Technologies
| Others |
| NIST | National Institute of Standards and Technology
| Others |
| NIST | National Institute of Standards Technology
| Others |
| NIST | National Institutes of Standards and Technology
| Others |
| NIST | National Intelligence Support Team
| Others |
| NIST | Nerds In Straight Ties
| Others |
| NIST | New Integrated Scanning Technology
| Others |
| NIST | New International School of Thailand
| Others |
| NIST | Not Interested in Security Technology
| Others |