Partido Obrero Revolucionario-Combate - Revolutionary Struggle Workers' Party - Bolivia - Political party (PPW)
Peralta Oaks Research Center (AD)
Plant Operations Review Committee - Nuclear energy (NRCH)
Plant Overnight Review Committee - Environmental science (COE)
Porcelain (AAG)
Porphyria, Chester Type (DMAA)
Portec - NCIC construction equipment make code (NCIC)
Purchase Order Release and Control (SAUS)
Purchase Order Requisition Control (SAUS)
Porcelain (AD)