| Abbreviation | Definition |
|---|---|
| PTY | Party |
| PTYL | Pty Ltd |
| PTYLTD | Proprietary Limited |
| PUA | Portland Urologic Associates |
| PUA | Professional Underwriters Agency, Inc. |
| PUAS | Perbadanan Urus Air Selangor |
| PUB | Power Underwear Brands |
| PUBC | PureBase Corporation |
| PUCC | Personal Use of Company Car |
| PUCC | Portland Utilities Construction Company |
| PUCK | Pure Unique Californian Kitchen |
| PUCS | Princeton Undergraduate Chemistry Society |
| PUHC | Public Utility Holding Company |
| PUI | Parts Unlimited Inc |
| PUI | Parts Unlimited, Inc. |
| PUI | Pokemon USA, Inc. |
| PUI | Projects Unlimited Inc |
| PUM | Potenziali di Unità Motoria (Italy) |
| PUMC | Preferred Utilities Manufacturing Corporation |
| PUR | Public Utilities Reports, Inc. |