| Abbreviation | Definition |
|---|---|
| PMPL | Planned Maintenance Pennine Ltd |
| PMQC | Pounding Mill Quarry Corporation |
| PMR | Pacific Monarch Resorts |
| PMRC | Parent's Music Resource Center |
| PMRI | Pharma Medica Research Inc |
| PMS | Philips Medical Systems |
| PMSA | Pacific Midrange Systems Association |
| PMSA | Portfolio Management Software Alliance, Inc. |
| PMSA | Project Management South Africa |
| PMSC | Plant Maintenance Service Corporation |
| PMSI | Pacific Mothers Support Inc |
| PMSI | Paving Maintenance Supply Inc |
| PMSI | Personnel Management Solutions Inc |
| PMSI | Philippine Multimedia System Inc |
| PMSI | Powerplant Maintenance Specialists Inc |
| PMSI | Preventive Maintenance Services INC |
| PMSI | Professional Mail Services Inc |
| PMSI | Professional Medical Services Inc |
| PMSL | Personnel Management Services Ltd |
| PMSL | Philadelphia Mixing Solutions Ltd |