| Acronym | Definition |
|---|
| PSRU➣Pakistan Security Research Unit (UK) |
| PSRU➣Public Service Reform Unit (various locations) |
| PSRU➣Plant Science Research Unit (USDA Agricultural Research Service; Raleigh, NC) |
| PSRU➣Prop Speed Reduction Unit |
| PSRU➣Pay Survey and Research Unit (Hong Kong) |
| PSRU➣Program Services Reimbursement Unit (New York) |