| Acronym | Meaning |
| NERSC | National Energy Research Scientific Computing Center |
| ESDIM | Environmental Services Data And Information Management |
| CMS | Centers For Medicare And Medicaid Services |
| NWC | National War College |
| NIDCR | National Institute Of Dental And Craniofacial Research |
| ONDCP | Office Of National Drug Control Policy |
| TSI | Transportation Safety Institute |
| LOC | Library Of Congress |
| MSPB | Merit Systems Protection Board |
| CDBG | Community Development Block Grants |