P&I
| Acronym | Definition |
|---|---|
| P&I | Principal and Interest |
| P&I | Pensions & Investments |
| P&I | Pen and Ink (drawings or plans) |
| P&I | Privileges and Immunities |
| P&I | Piping & Instrumentation (manufacturing) |
| P&I | Protection and Indemnity insurance |
| P&I | Paint & Interior |
| P&I | Processing and Interpretation (Geophysical Seismic Surveys) |
| P&I | Process & Instrumentation |