| Abbreviation | Definition |
|---|---|
| PSA | Pre-Scheduled Appointment |
| PSA | Problem Solution Acceptance |
| PSA | Production Share Agreement |
| PSA | Professional Services Automation |
| PSA | Public Securities Association |
| PSB | Paper Sticker Binder |
| PSC | Postal Service Center |
| PSC | Premiere Service Card |
| PSCM | Procurment and Supply Chain Managment |
| PSD | Private Sector Development |
| PSDR | Public Sector Debt Repayment |
| PSE | Promotion Of Special Events |
| PSF | Process Specification Formalism |
| PSI | Products, Services, and Ideas |
| PSI | Provider of Statistical Information |
| PSIP | Public Sector Investment Programme |
| PSL | Products And Services Listing |
| PSLE | Personal Sales Leadership Engine |
| PSM | Pragmatic Service Management |
| PSM | Process Safety Management |