What does PJA stand for?

Abington Library Society, Jenkintown, PA - Library symbol - Library of Congress - Obsolete (LCLS)

Pakistan Jute Association (SAUS)

Paul Jaeger - NCIC firearms make code (NCIC)

Pipe Jacking Association - British (DBA)

Proper Job Analysis (COE)

Pure Java AWT- Abstract Window Toolkit - A library for drawing graphics