| Acronym | Definition |
|---|
| PWSC➣Professional Warranty Service Corporation (Chantilly, VA) |
| PWSC➣Preferred Weapon System Concept |
| PWSC➣Panasonic World Solar Challenge (vehicle design competition; Australia) |
| PWSC➣Prince William Swim Club (Virginia) |
| PWSC➣Pennichuck Water Service Company (Merrimack, NH) |
| PWSC➣Piarere Water Ski Club (Cambridge, New Zealand) |
| PWSC➣Philippine Workers Support Committee |