List of federal installations in Maryland
Many federal agencies have their headquarters or other large installations in Maryland.
Civilian
Military
| Military installation | Location |
|---|---|
| Aberdeen Proving Ground | Aberdeen |
| Joint Base Andrews Naval Air Facility | Camp Springs |
| Army Research Laboratory | Adelphi |
| Camp David | Thurmont |
| Fort Detrick | Frederick |
| Indian Head Naval Surface Weapons Center | Indian Head |
| National Military Medical Center (NMMC) | Bethesda |
| Naval Air Station Patuxent River | St. Mary's County |
| Naval Surface Warfare Center, Carderock | Potomac |
| School of Military Packing Technology | |
| United States Naval Academy | Annapolis |
| Webster Field | St. Inigoes |
| Defense Information Systems Agency (DISA) | Fort Meade |
| United States Cyber Command | Fort Meade |
| Library of Congress (LOC) | Fort Meade |