| LC 37.1 |
Decimal Classification Office (1959- ) |
| D 14.1 |
Defense Civil Preparedness Agency (1972-1979) |
| I 56.1 |
Defense Electric Power Administration (1951-1953) |
| I 54.1 |
Defense Fisheries Administration (1950-1953) |
| D 5.102 |
Defense Information Systems Agency (1960- ) |
| D 5.201 |
Defense Intelligence Agency (1961- ) |
| D 7.1 |
Defense Logistics Agency (1977- ) |
| L 27.1 |
Defense Manpower Administration (1950-1953) |
| DM 1.1 |
Defense Materials Procurement Agency (1951-1953) |
| D 2.1 |
Defense Media Activity (1977- ) |
| Pr 33.1101 |
Defense Production Administration (1950-1953) |
| DP 1.1 |
Defense Production Administration (1951-1953) |
| I 57.1 |
Defense Solid Fuels Administration (1950-1954) |
| D 10.1 |
Defense Technical Information Center (1969- ) |
| D 15.1 |
Defense Threat Reduction Agency (1959- ) |
| A 1.1 |
Department of Agriculture (1862- ) |
| W 71.1 |
Department of Alaska (1868-1901) |
| W 65.1 |
Department of Arizona (1870-1893) |
| C 1.1 |
Department of Commerce (1913- ) |
| W 25.1 |
Department of Cuba (1898-1902) |
| W 16.1 |
Department of Dakota (1867-1904) |
| D 1.1 |
Department of Defense (1949- ) |
| ED 1.1 |
Department of Education (1979- ) |
| E 1.1 |
Department of Energy (1977- ) |
| HE 1.1 |
Department of Health and Human Services (1980- ) |
| FS 1.1 |
Department of Health, Education and Welfare (1953- 1969) |
| HS 1.1 |
Department of Homeland Security (2003- ) |
| HH 1.1 |
Department of Housing and Urban Development (1965- ) |
| J 1.1 |
Department of Justice (1870- ) |
| L 1.1 |
Department of Labor (1913- ) |
| W 56.1 |
Department of Luzon (1900-1914) |
| W 58.1 |
Department of Matanzas and Santa Clara (1898-1900) |
| W 72.1 |
Department of Mindanao (1899-1914) |
| W 57.1 |
Department of Pinar Del Rio (1898-1900) |
| W 23.1 |
Department of Porto Rico (1898-1900) |
| W 59.1 |
Department of Santiago and Puerto Principe (1898-1900) |
| S 1.1 |
Department of State (1789- ) |
| W 24.1 |
Department of Texas (1853-1911) |
| M 301.1 |
Department of the Air Force (1947-1949) |
| D 301.1 |
Department of the Air Force (1949- ) |
| M 101.1 |
Department of the Army (1947-1949) |
| D 101.1 |
Department of the Army (1949- ) |
| W 14.1 |
Department of the Colorado (1893-1903) |
| W 15.1 |
Department of the Columbia (1865-1904) |
| W 17.1 |
Department of the East (1853-1903) |
| W 18.1 |
Department of the Gulf (1862-1911) |
| I 1.1 |
Department of the Interior (1849- ) |
| W 19.1 |
Department of the Lakes (1866-1911) |
| W 20.1 |
Department of the Missouri (1862-1911) |
| N 1.1 |
Department of the Navy (1798-1947) |
| M 201.1 |
Department of the Navy (1947-1949) |
| D 201.1 |
Department of the Navy (1949- ) |
| W 22.1 |
Department of the Platte (1866-1898) |
| W 66.1 |
Department of the South (1862-1883) |
| T 1.1 |
Department of the Treasury (1789- ) |
| TD 1.1 |
Department of Transportation (1966- ) |
| VA 1.1 |
Department of Veterans Affairs (1930- ) |
| W 67.1 |
Department of Virginia and North Carolina (1861-1870) |
| W 80.1 |
Department of Visayas (1911-1920) |
| W 1.1 |
Department of War (1789-1947) |
| W 52.1 |
Department of Washington (1861-1869) |
