| Abbreviation | Definition |
|---|---|
| PLCS | Power Law Creeping Solid |
| PLEM | Pipe Line End Manifold |
| PLET | PipeLine End Termination |
| PLF | Per Linear Foot |
| PLM | Product Lifecycle Management |
| PLOT | Porous Layer Open Tubular |
| PLP | Powerup Lawncare Products |
| PLTP | Product Line Technical Probe |
| PM | Pinze Mobili |
| PM | Plumbing Mechanical |
| PM | Previous Model |
| PM | Price Match |
| PMC | Polymer Modified Concrete |
| PMGR | Permanent Magnet Gear Reduction |
| PMI | Plumbing Manufacturers International |
| PMI | Purchase Managers Index |
| PMM | Precision Measuring Machine |
| PMP | Permanent Marking Pen |
| PMP | Personal Media Player |
| PMRS | Prefix Multiset Rewrite System |