| Abbreviation | Definition |
|---|---|
| PIPER | Project Information Prepared For Exploitation And Reference |
| PIPO | Project Inleidend Piano Onderwijs |
| PIS | Perfectly Inelastic Supply |
| PIS | Project Information System |
| PIT | Personnel In Training |
| PIT | Power Integrity And Tolerance |
| PIT | Production Implementation And Training |
| PIT | Production, Implementation, And Training |
| PIT | Property Inventory Tasking |
| PITE | Partner Integration Testing Environment |
| PITI | Principle Interest Taxes And Insurance |
| PITS | Pie In The Sky |
| PIU | Performance And Innovation Unit |
| PJ | Professional Judgement |
| PJM | Project Resource Management |
| PJS | Private Joint-Stock |
| PJV | Progressive Joint Venture |
| PKC | Physical Knowledge Control |
| PKMS | Product Knowledge Management System |
| PKP | Public Key Partners |