- ATB
- All The Best (Internet » Chat)*** Across The Board (Governmental » US Government)*** All Terrain Bike (Governmental » Transportation)*** Active Time Battle (Governmental » Military)** All Terrain Boarding (Miscellaneous » Hobbies)* All Terrain Bicycle (Community » Sports)* Asphalt Treated Base (Governmental » Transportation)* Automated Ticket And Boarding (Governmental » Transportation)* Articulated Tug and Barge (Governmental » Transportation)* Association Tripartite Bourses (Business » General)* Above-ground Telecommunications Backbone (Computing » Networking)* Advanced Training Base (Governmental » Military)* Aviation Test Board (Governmental » Military)* Above-ground Telecommunications Backbone (Computing » Telecom)* Accounting Terminology Bulletins (Business » Accounting)* Ability Tone Black (Community)* Automated Ticketing And Boarding (Governmental » Transportation)* Automated Torpedo Boat (Governmental » Military)
Abbreviations dictionary. 2012.