| C 57.401 |
East-West Trade Bureau (1972-?) |
| C 46.1 |
Economic Development Administration (1965- ) |
| E 4.1 |
Economic Regulatory Administration (1977-?) |
| A 93.1 |
Economic Research Service (1961-1978, 1981- ) |
| ES 1.1 |
Economic Stabilization Agency (1950-1953) |
| A 105.1 |
Economics and Statistics Service (1980-1981) |
| I 19.202 |
Ecosystem Mission Area (1996- ) |
| HE 19.1 |
Education Division (1972-1979) |
| S 21.2 |
Educational and Cultural Affairs Bureau |
| FL 4.1 |
Electric Home and Farm Authority (1939-1942) |
| Ju 12.1 |
Emergency Court of Appeals (1942-?) |
| HE 5.2 |
Emergency Preparedness and Response (2003-2005) |
| L 40.2 |
Employee Benefits Security Administration (1974- ) |
| L 28.1 |
Employees' Compensation Appeals Board (1950- ) |
| EC 1.1 |
Employees’ Compensation Commission (1916-1946) |
| L 37.1 |
Employment and Training Administration (1975- ) |
| L 36.1 |
Employment Standards Administration (1971-2008) |
| E 3.1 |
Energy Information Administration (1977- ) |
| ER 1.1 |
Energy Research and Development Administration (1975- 1977) |
| W 7.1 |
Engineer Department (1802-1947) |
| M 110.1 |
Engineer Department (1947-1949) |
