What does QVL stand for?

What does QVL mean?

QVL	Qualified Vendors List Governmental » US Government
QVL	Qualified Vendors List Governmental » NASA
QVL	Qualified Vendors List Governmental » Military
QVL	Qualified Vendors List Business » General
QVL	Q-Vis Limited Business » Firms
QVL	Quantum Vortex Liquid Academic & Science » Chemistry
QVL	Quantum Vortex Liquid Academic & Science » Electronics
QVL	Quality Verification Listing Business » General
QVL	Quality Verification Listing Governmental » Military
QVL	Quality Verification Listing Governmental » NASA
QVL	Quality Verification Listing Governmental » US Government