What does QTB stand for?

What does QTB mean?

QTB	Do you agree with my counting of words? Academic & Science » Amateur Radio
QTB	Quality Technical Books Business » Firms
QTB	Quality Transparent Bag Business » Firms
QTB	Quaternary and Tuberculocidal Medical » Laboratory
QTB	Quarterly Training Brief Governmental » Military
QTB	Quantum Tip-Out Bin Business » Products
QTB	Quantum Turbo Battery Business » Products
QTB	Quasi Turn Based gaming Community » Sports
QTB	Qualified Transportation Benefits Program Governmental » Transportation
QTB	Qualified Transportation Benefits Program Governmental » US Government