| A&D |
Arrangement and Description Team |
| A&I |
Arts & Industries Building |
| AAA |
Archives of American Art |
| ADE |
Association for Documentary Editors |
| APO |
Astrophysical Observatory (Smithsonian) |
| AS |
Administrative Staff |
| ASEH |
American Society for Environmental History |
| CFDCP |
Centers for Disease Control and Prevention |
| ERP |
Electronic Records Program |
| HM&SG |
Hirshhorn Museum and Sculpture Garden |
| IHD |
Institutional History Division |
| IPM |
Integrated Pest Management |
| MARAC |
Mid-Atlantic Regional Archives Conference |
| MARC |
MAchine Readable Cataloging |
| MSC |
Museum Support Center |
| NAA |
National Anthropological Archives |
| NCP |
National Collections Program |
| NMAA |
National Museum of American Art |
| NMAH |
National Museum of American History |
| NMAI |
National Museum of the American Indian |
| NMNH |
National Museum of Natural History |
| NPG |
National Portrait Gallery |
| NUS |
National Underground Storage |
| NZP |
National Zoological Park |
| OEMS |
Office of Environmental Management and Safety |
| OGC |
Office of the General Counsel |
| OIT |
Office of Information Technology |
| OPP |
Office of Physical Plant |
| OSIA |
Office of Smithsonian Institution Archives |
| RM |
Records Management Team |
| RRG |
Research Resources Grant |
| SAO |
Smithsonian Astrophysical Observatory |
| SCMRE |
Smithsonian Center for Materials Research and Education |
| SD |
Smithsonian Directive |
| SHFG |
Society for History in the Federal Government |
| SI |
Smithsonian Institution |
| SIA |
Smithsonian Institution Archives |
| SIL |
Smithsonian Institution Libraries |
| SIRIS |
Smithsonian Institution Research Information System |
| SITES |
Smithsonian Institution Traveling Exhibition Service |
| SP |
Smithsonian Productions |
| TSA |
The Smithsonian Associates |
| USGS |
United States Geological Survey |
| VIARC |
Visitors Information and Associates Reception Center |