| Acronym | Meaning |
| BARC | Beltsville Agricultural Research Center |
| FEDIX | Federal Information Exchange Inc. (ceased Operation 7/3/02) |
| SEC | Securities And Exchange Commission; Space Environment Center |
| MIGA | Multilateral Investment Guarantee Agency |
| VBA | Veterans Benefits Administration |
| RRB | Railroad Retirement Board |
| FPDC | Federal Procurement Data Center |
| EOUSA | Executive Office For United States Attorneys |
| NIDCD | National Institute On Deafness And Other Communication Disorders |
| NLRB | National Labor Relations Board |