| PIPI | Persatuan Insinyur Profesional Indonesia 
| Others |
| PIPI | Personal Inquiry and Professional Integration
| Others |
| PIPI | Personal Integration and Professional Inquiry
| Others |
| PIPI | Personal Integration Professional Inquiry
| Others |
| PIPI | Preprofessional Individually Paced Instruction
| Others |
| PIPI | Purpose Importance Procedure InterpretationWhat
| Others |