| Acronym | Definition |
|---|
| PMSC➣Private Maritime Security Company |
| PMSC➣Port Marine Safety Code (UK) |
| PMSC➣Policy Management Systems Corporation |
| PMSC➣Political Military Steering Committee |
| PMSC➣Program Management Systems Committee (National Defense Industrial Association) |
| PMSC➣Post Mills Soaring Club (est.1987; flying club) |
| PMSC➣Private Military and Security Company |
| PMSC➣Postal Mechanisation Study Circle (est. 1976; London, UK) |
| PMSC➣Porsche Mobil 1 Supercup (racing series) |
| PMSC➣Peterborough Motor Sports Club |
| PMSC➣Professional Media Service Corporation |
| PMSC➣Premium Medical Service Card (health care industry) |
| PMSC➣Pilipinong Migrante Sa Canada (Ottawa, ON, Canada) |
| PMSC➣Pere Marquette Shipping Company |
| PMSC➣Postgraduate Management Studies Certificate (academics) |
| PMSC➣Personal Mail Service Center |
| PMSC➣Pulse, Motor, Sensory and Capillary Refill (medical) |
| PMSC➣Pitcairn-Monroeville Sportsman Club (North Versailles, PA) |
| PMSC➣Philippine Migrants Society of Canada |
| PMSC➣Project Management and Ship Consultant (various companies) |