| Acronym | Meaning |
 | DMA | Defense Mapping Agency (replaced By NIMA) |
| NCIPC | National Center For Injury Prevention And Control |
| PCC | Panama Canal Commission |
| SIC | Standard Industrial Classification |
| IRS | Internal Revenue Service |
| FOIA | Freedom Of Information Act |
| NBII | National Biological Information Infrastructure |
| SEER | Surveillance |
| FMSHRC | Federal Mine Safety And Health Review Commission |
| OFHEO | Office Of Federal Housing Enterprise Oversight |
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