Publisher
- Public Health and Marine-Hospital Service5
- Public Instruction, Department of1
- Public Lands, Bureau of2
- Public Relations Bureau84
- Public Relations Division1
- Publications Division1
- Puerto Rico6
- Purchase, Storage, and Traffic Division68
- Purchasing Department50
- Quartermaster Corps123
- Quartermaster General of Army716
- Quartermaster's Department449
- Quartermaster-General22
- Radio Service1
- Record and Pension Office46
- Recruiting Division9
- Rifle Practice Promotion Board2
- Rivers and Harbors Board183
- Rock Island Arsenal4
- Sales Director1