| CER | Comparative Effectiveness Research | retired 9/21 |
| FE | Office of Fossil Energy | changed to FECM - Office of Fossil Energy and Carbon Management |
| GOSIC | Global Observing Systems Information Center | unable to verify; redirecting to international site |
| HSRIC | Health Services Research Information Central | retired 9/21 |
| OD | Ocean Drilling | changed to ODP - Ocean Drilling Program |
| SPEED | Special Projects for Equitable and Efficient Distribution | unable to verify |
