| Abbreviation | Definition |
|---|---|
| PGI | Protected Geographical Indication |
| PGO | Pronto Green Optical Tube |
| PGS | Parking Guidance System |
| PH | Power House |
| PHD | Post Hole Digger |
| PHE | Plate Heat Exchanger |
| PHG | Period House Group |
| PHQ | Parts HeadQuarter |
| PHQ | Polished High Quality |
| PHQ | Premium High Quality |
| PHQ | Printing Headquarter |
| PHT | Protostat Hygro-Thermometer |
| PHU | Personal Hydration Unit |
| PHW | Hot Water Pressure washer |
| PHW | Potable Hot Water |
| PHW | Pressurized Hot Wash |
| PHW1 | Portable Hot Water pressure washer model 1 |
| PHW2 | Portable Hot Water pressure washer model 2 |
| PHW3 | Portable Hot Water pressure washer model 3 |
| PHW4 | Portable Hot Water pressure washer model 4 |