| Acronym | Definition |
|---|
| PMSS➣Pine Mountain Settlement School (Pine Mountain, KY) |
| PMSS➣Plafond Mensuel de la Sécurité Sociale (France) |
| PMSS➣Program Management Support Services |
| PMSS➣Pitt Meadows Secondary School (Vancouver, BC, Canada) |
| PMSS➣Port Moody Secondary School (Vancouver, BC, Canada) |
| PMSS➣Portable Modular Source System (Thalassa Energy Services Ltd) |
| PMSS➣Program Management Support System |
| PMSS➣Princess Margaret Secondary School (Surrey, BC, Canada) |
| PMSS➣Palestinian Medical Students Society |
| PMSS➣Post-Marketing Surveillance Study (pharmaceutical monitoring) |
| PMSS➣Project Manager's Support System |