US Abbreviations and Acronyms

1. NIGP
   National Institute of Government Purchasing
2. NIHHIS
   National Integrated Heat Health Information System
3. NIHS
   National Institute for Hometown Security
4. NII/GII
   National Information Infrastructure/Global Information Infrastructure Initiatives
5. NIIC
   National Incident Information Center
6. NIIS
   Non-Immigrant Information System
7. NIITP
   National Investigative Interview Training Program
8. NIM
   Non Important Message
9. NIMAC
   National Inventory and Monitoring Applications Center
10. NIMBY
    Not Intimidated Much By Yelling
11. NIMCA
    Nuclear Industries Malicious Capabilities Planning Assumptions
12. NIMCAST
    National Incident Management System Capability Assessment Support Tool
13. NIMCAST
    Nims Capability Assessment Support Tool
14. NIMG
    National Interagency Mobilization Guide
15. NIMH
    National Institutes of Mental Health
16. NIMH
    Nosfolk Intermodal Hub
17. NIMHD
    National Institute On Minority Health and Health Disparities
18. NIMS
    Sc Nims Supporc Center
19. NIMS
    Step Nims Supporting Technology Evaluation Program
20. NIMS/NET
    National Incident Management System Network

Last updated: May 2, 2025 — Total entries: 8,239