Definition |
Category |
| All The Best | Chat |
| Across The Board | US Government |
| All Terrain Bike | Transportation |
| Active Time Battle | Military |
| All Terrain Boarding | Hobbies |
| All Terrain Bicycle | Cycling |
| Associative Topology Bus | Networking |
| Asphalt Treated Base | Transportation |
| America The Beautiful | Music |
| Amazon Tree Boa | Veterinary |
| Active Time Bar | Military |
| Automated Ticketing and Boarding | Aircraft & Aviation |
| Articulated Tug and Barge | Transportation |
| Above-ground Telecommunications Backbone | Telecom |
| Association Tripartite Bourses | General Business |
| Advanced Training Base | Military |
| Aviation Test Board | Military |
| Accounting Terminology Bulletins | Accounting |
| Ability Tone Black | Community |
| Active Timed Battle | Unclassified |
| Asked To Buy | Unclassified |
| Automated Torpedo Boat | Shipping & Sailing |
| American The Beautiful | Unclassified |
| Atlanta Thorough Breds | Unclassified |
| Aged Trial Balance | Accounting |
| Ability To Benefit | Schools |
| Automatische Treinbeïnvloeding | Dutch |
| Appellate Tax Board | Tax |
| All Terrian Binoculars | Products |
| All Tobacco Burst | Unclassified |
| Annual Technology Baseline | Technology |
| Around the Buoys | Unclassified |
| Advanced Thermal Batteries | Unclassified |
| Arch, Top, and Back | Architecture |
| All Terrain Bikes | Unclassified |
| Automated Topology Builder | Unclassified |
| Azienda Trasporti Bergamo | Unclassified |
| Alberta Treasury Branches | Unclassified |
| Approved Training Body | Unclassified |
| Abandon The Box | Unclassified |
| acronym on the Abbreviations | Unclassified |
| Action Timed Battle | Unclassified |
| After the Bell | Unclassified |
| Alberta Treasury Branch | Unclassified |
| All Terrain Bass | Unclassified |
| All Terrain Binoculars | Unclassified |
| Alternative Technology Base | Technology |
| Arizona Travel Ball | Travel & Tourism |
| Articulated Tug Barge | Unclassified |
| Articulated Tug Barges | Unclassified |
| Arts Transcending Borders | Art |
| Atmospheric Tower Bottoms | Unclassified |
| Automated Ticket and Boarding | Unclassified |
| Advanced Technology Bomber | Military |
| Alberta Treasury Branches aka ATB Financial | Canadian |
| All Terrain Board | Cycling |
| All Things Bright | Business |
| All Trunks Busy | Telecom |
| All-Terrain Bike | Cycling |
| Amsterdam Trade Bank | Dutch |
| Andy Timmons Band | Music |
| Anti-Tank Battalion | Military |
| Arab Tunisian Bank | Banking |
| Around the Bay Road Race | Canadian |
| Atrium Innovations Incorporated | Toronto Stock Exchange |
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