Abbreviations beginning with a

ATAAAlternative Trade Adjustment Assistance
Governmental

ATAAArts Touring Alliance of Alberta
Governmental » Alliances

ATAAAviation Electronics Technician Airman Apprentice
Governmental » Navy

ATAAAssembly of Turkish American Associations
International » Turkish

ATAAAcademy of Truck Accident Attorneys
Miscellaneous » Automotive

ATAAAir Transport Association of America
Miscellaneous

ATAAAkhal-Teke Association of America, Inc.
Miscellaneous

ATAAAlternative Trade Adjustment Assistance
Miscellaneous » Unclassified

ATAAAnnual Training Achievement Awards
Miscellaneous » Awards & Medals

ATAAAny Time At All (Beatles song)
Miscellaneous

ATAAAssociation des Traducteurs/Adaptateurs de l'Audiovisuel (French)
Miscellaneous

ATAAAustralian Technical Analysts Association (Eastlakes, New South Wales, Australia)
Miscellaneous

ATAAAustralian Technical Analysts Association
Regional » Australian

ATAAAAviation Electronics Technician (aircraft) Airman Apprentice
Governmental » Navy

ATAACArchives of The Association of American Cultures
Community » Non-Profit Organizations

ATAACAssistive Technology and Augmentative and Alternative Communication
Computing » Technology

ATAACAir To Air After Coolers
Miscellaneous » Automotive

ATAACAir To Air Aftercooled Configurations
Miscellaneous » Unclassified