PPTS Pyridinium P-Toluenesulfonate
** PPTS Philippine Paramedical and Technical School (Philippines)
** PPTS Palestine Pilgrims' Text Society (medieval document collection)
* PPTS Petroleum Pipeline Tracking System
* PPTS Public Pay Telephone Service
* PPTS Pediatric Physical Therapy Services, PLLC (est. 1998; Rochester
New York)
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