What does AATD stand for?

What does AATD mean?

AATD	Accrediting Alliance For Training And Development Community » Educational
AATD	Alpha Anti Trypsin Deficiency Medical » Physiology
AATD	Alternative Amount of Tender Deposit Business » Accounting
AATD	Applied Aviation Technology Directorate Academic & Science » Universities
AATD	Art At The Dump Community » Performing Arts
AATD	Association Of Agencies For Treatment And Development Medical » Hospitals
AATD	Australian Accounting and Taxation Database Business » Accounting
AATD	Australian Accounting Taxation Database Business » Accounting
AATD	Australian Agility Team Dog Community » Sports
AATD	Aviation Applied Technology Directorate Governmental » Military