America Abbreviations and Acronyms
- PSPatriotic Service
- PSPressure Switch Mpower Steering
- PSAPublic Service Award
- PSAPacific South American
- PSAPublic Service Advertisement
- PSAPublic Service Administration
- PSALMPan-Orthodox Society for The Advancement of Liturgicalmmusic
- PSAMAPuget Sound American Marketing Association
- PSAPCAPuget Sound Air Pollution Control Agency
- PSCAPlan Sponsor Council of America
- PSCRProfessional Sports Car Racing
- PSDPower Demand Signal
- PSDPresidential Study Directive
- PSDPresidential Study Directive-11
- PSEPidgin Sign English
- PSHAPennsylvania Saddlebred Horse Association
- PSIPollution Standard Index, Product Stewardship Institute, Pounds Per Square Inch
- PSIAProfessiocal Ski Instructor of America
- PSIDPanel Survey of Income Dynamics
- PSKPersonal Security Key
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