| Acronym | Meaning |
 | SIC | Standard Industrial Classification |
| SI | Smithsonian Institute |
| WIC | Women |
| IES | Institute Of Education Sciences |
| CUAP | College And University Affiliations Program |
| NASA | National Aeronautics And Space Administration |
| NIMA | National Imagery And Mapping Agency (replaced By NGA) |
| ERS | Economic Research Service |
| OBL | Office Of Business Liaison |
| NLRB | National Labor Relations Board |
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