| Acronym | Definition |
|---|
| PSSC➣Physical Science Study Committee |
| PSSC➣Parallel Sysplex System Center |
| PSSC➣Parent School Support Committee (Canada) |
| PSSC➣Philippine Social Science Council |
| PSSC➣Passenger Ship Safety Certificate |
| PSSC➣Pacific Structural Steel Conference |
| PSSC➣Public Service Satellite Consortium |
| PSSC➣Pittsburgh Speed Skating Club (Pittsburgh, PA; also seen as PSC) |
| PSSC➣Products and Solutions Support Center (IBM) |
| PSSC➣Paper Street Soap Company (gaming guild) |
| PSSC➣Preliminary System Security Concept |
| PSSC➣Point Source Spectral Content |
| PSSC➣Philippine Standard Commodity Classification |
| PSSC➣Probabilistic Statement Sensitivity Coverage |
| PSSC➣Principle Structures, Systems, and Components (US NRC) |