- Agricultural Adjustment Administration1,809
- Labor Statistics Bureau1,650
- Geological Survey1,636
- War Department1,554
- Agriculture Department1,384
- Commerce Committee, Senate1,379
- Military Affairs Committee, House1,363
- State Department1,363
- National Labor Relations Board1,351
- Federal Trade Commission1,202
- Public Health Service1,186
- Military Affairs Committee, Senate1,070
- Weather Bureau1,068
- Education Office1,039
- Engineer Department1,022
- Interstate and Foreign Commerce Committee, House1,021
- Budget Bureau1,016
- Pan American Union996
- Standards Bureau983
- Animal Industry Bureau961