Abbreviations beginning with a

ATOAustralian Transport Office
Regional » Australian

ATO/ACOAir Tasking Order/Air Combat Order
Governmental

ATO1Aviation Electronics Technician (ordnance) Petty Officer 1st Class
Governmental » Navy

ATO2Aviation Electronics Technician (ordnance) Petty Officer 2nd Class
Governmental » Navy

ATO3Aviation Electronics Technician (ordnance) Petty Officer 3rd Class
Governmental » Navy

ATOAAlabama Tactical Officers Association
Community » Associations

ATOAArizona Tactical Officers Association
Community » Associations

ATOAArkansas Tactical Officers Association
Community » Associations

ATOAArtists Talk on Art
Community » Art

ATOAAustralian Tour Operators Association
Community » Travel & Tourism

ATOAAustralia Telescope Online Archive
Regional » Australian

ATOAAAviation Electronics Technician (ordnance) Airman Apprentice
Governmental » Navy

ATOAIAdventure Tour Operators Association of India
Business » Professional Organizations

ATOANAviation Electronics Technician (ordnance) Airman
Governmental » Navy

ATOARAviation Electronics Technician (ordnance) Airman Recruit
Governmental » Navy

atobASCII TO Binary conversion
Computing » Unix Commands

ATOCAcoustic Thermography of Ocean Climate
Academic & Science » Ocean Science