| Australia |
ATA |
Alternative Technology Association |
Associations & Organizations // Regional Organizations |
| United States |
ATA |
American Tennis Association |
Associations & Organizations // Sports & Recreation Organizations |
| Worldwide |
ATA |
Allen Telescope Array |
Academic & Science // Astronomy & Space Science |
| Worldwide |
ATA |
Advanced Technology Attachment |
Computing // Hardware |
| Worldwide |
ATacMS |
Army Tactical Missile System |
Governmental // Military |
| Worldwide |
ATacMS |
Army Tactical Missile System |
Governmental // Military |
| Sudan |
ATB |
Atbara Airport |
Transport & Travel // Airport Codes |
| Germany |
ATB |
Andre Tanneberger |
Society & Culture // Celebrities & Famous |
| Canada |
ATB |
Alberta Treasury Branches |
Business // Companies & Corporations |
| Worldwide |
ATB |
All The Best |
Miscellaneous // Chat & Messaging |
| Worldwide |
ATB |
All The Best |
Miscellaneous // Chat & Messaging |
| United States |
ATB |
Ability to Benefit |
Academic & Science // Exams & Tests |
| United States |
ATC |
All Things Considered |
News & Entertainment // TV & Radio |
| United States |
ATC |
Appalachian Trail Conservancy |
Associations & Organizations // Environment & Nature Organizations |
| Germany |
ATC |
A Touch of Class |
Arts // Musical groups |
| Canada |
ATC |
Authorization to Carry |
Governmental // Law & Legal |
| United States |
ATC |
Against the Current |
Arts // Musical groups |
| Worldwide |
ATC |
Air Traffic Control |
Transport & Travel // Air Transport |
| United States |
ATC |
Alvarado Transportation Center |
Transport & Travel // Land Transport |
| Worldwide |
ATC |
All-Terrain Cycle |
Technology // Automotive |