What does PQA stand for?

Pacific Coast Airlines - ICAO designator (FAAC)

Palm Query Applications

Parts Quality Assurance

Petroleum Quality Assurance

Plant Quality Assurance

Preliminary Qualification Analysis

Preliminary Quantitative Analysis

Procurement Quality Assurance - Program - DoD

Production Quality Assurance

Program Quality Acceptance (SPST)

Project Quality Assurance

Protected Queue Area - Computer science (BUR)

Procurement Quality Assurance (AD)