- Mines Bureau21,016
- State Department19,135
- Health, Education and Welfare Dept.17,795
- National Aeronautics and Space Administration17,374
- House16,697
- Air Force Department15,708
- President of the United States15,039
- Hydrographic Office14,916
- Court of Claims14,614
- Defense Department14,509
- Coast and Geodetic Survey13,871
- Atomic Energy Commission13,848
- Labor Dept.13,357
- Labor Statistics Bureau13,203
- Forest Service13,118
- Navigation Bureau12,417
- Public Health Service12,008
- Foreign and Domestic Commerce Bureau11,745
- Labor Department11,433
- General Services Administration9,673