- Tax Appeals Board1,256
- Pan American Union1,144
- Weather Bureau1,128
- Army Air Forces1,107
- Entomology and Plant Quarantine Bureau1,101
- Treasury Department1,066
- Education Office1,009
- Animal Industry Bureau1,006
- Engineer Department963
- Adjutant General's Department850
- National Park Service827
- Federal Supply Bureau817
- Federal Power Commission800
- Federal Communications Commission786
- Children's Bureau783
- Judiciary Committee, House740
- Procurement Division726
- Merchant Marine and Fisheries Committee, House724
- Plant Industry Bureau715
- Production and Marketing Administration698