POSD
POSD most commonly describes point‑of‑sale display units in retail, while it is also used for internal support desks and various public‑order or security divisions.
Miscellaneous
Project on Societal Distress
Public Order and Safety Division
Podkarpacki Ośrodek Szkoleniowo Doradczy
Port Operations Security and Defense
Point of Sale Display
Presbytery of South Dakota
Process Oriented Systems Design
Production Operation Support Desk