| Acronym | Definition |
|---|
| PTSB➣Professional Teaching Standards Board (Wyoming) |
| PTSB➣Peoples Trust & Savings Bank (Indiana) |
| PTSB➣Palm Tran Service Board (West Palm Beach, FL) |
| PTSB➣Parking and Traffic Services Building (Brigham Young University; Utah) |
| PTSB➣Protank Technologies Sdn Bhd (Malaysia) |
| PTSB➣Peak Total Serum Bilirubin |