| Abbreviation | Definition |
|---|---|
| PIDC | Pakistan Industrial Development Corporation |
| PIDC | Pakistan International Development Corporation |
| PIDC | PetroVietnam Investment Development Company |
| PIDC | Philadelphia Industrial Development Corporation |
| PIDEC | Petrochemical Industries Design and Engineering Company |
| PIDI | Public Interest Data Inc |
| PIE | Penang Indian Entrepreneurs |
| PIESE | Pacific Industries Elementary Services Entity |
| PIF | Plenty Of Incredible Fireworks |
| PIFI | Programas Integrales de Fortalecimiento Institucional |
| PIG | Performance Import Group |
| PIG | Portland Industrial And Gothic |
| PIG | Portland Industrial Goths |
| PIG | Psion Interest Group |
| PIG | The Pro Inactive Group |
| PIHB | Pernas International Holdings Berhad |
| PIHB | Plug-In Home Business |
| PIHC | Pupuk Indonesia Holding Company |
| PII | People International, Inc. |
| PII | Pharmaceutics International Inc |