Abbreviations beginning with a

AVTAutomatic Volume Transfer
Miscellaneous » Unclassified

AVTAutonomous Vehicle Team (Viriginia Tech University)
Miscellaneous

AVTAutonomous Vehicle Technology
Miscellaneous » Automotive

AVTTraining Aircraft Carrier (Auxiliary, heaVier-than-air, Training)
Miscellaneous » Ship Types

AVT&RWAssociation of Veterinary Teachers and Research Workers
Medical » Veterinary

AVTAAntelope Valley Transit Authority (est. 1992; Lancaster, CA)
Business

AVTAAssistive Vocational Technology Associates (est. 1990; Toronto, Ontario, Canada)
Business

AVTAAdvanced Vehicle Testing Activity
Governmental » Military

AVTAAcademy of Veterinary Technician Anesthetists
Medical » Veterinary

AVTAAdvanced Vehicle Testing Activity
Miscellaneous » Automotive

AVTAAllegheny Valley Trails Association (Pennsylvania)
Miscellaneous

AVTBAviation Test Bed (Ft Rucker)
Governmental » Military

AVTBAutonomous Vehicle Test Bed
Miscellaneous » Automotive

AVTCA V T Corporation (delisted)
Business » NASDAQ Symbols

AVTCAntivirus Test Center (informatics, University of Hamburg)
Community

AVTCAutomatic Vehicular Traffic Control
Community

AVTCAdvanced Vehicle Technology Competitions
Computing » Technology

AVTCAerospace Vehicle Test Course (US Air Force Test Pilot School)
Governmental