| CEII | Critical Electric Infrastructure Information | unable to verify |
| CVE | Countering Violent Extremism | unable to verify; site archived |
| CVE-AS | Countering Violent Extremism and Active Shooter | unable to verify; site archived |
| EPHML | Environmental and Public Health Microbiology Laboratory | unable to verify |
| ERTU | Evidence Response Team Unit | unable to verify |
| FRPG | Federal Real Property Gateway | unable to verify |
| FTU | Firearms/Toolmarks Unit | unable to verify |
| FVPS | Family Violence Prevention & Services | changed to FVPSA Program - Family Violence Prevention and Services Act Program |
| NCPC | National Counterproliferation Center | changed to NCBC - National Counterproliferation and Biosecurity Center |
| PGDI | Pediatric Genomic Data Inventory | unable to verify |
| TEU | Trace Evidence Unit | unable to verify |
| THRU | Technical Hazards Response Unit | unable to verify |
