| Textbook and Academic Authors | Academic & Science |
| Tufts Alumni Association | Academic & Science |
| Tasmanian Amateur Astronomers | Academic & Science |
| Text and Academic Authors | Academic & Science |
| Trans Arachidonic Acid | Academic & Science |
| Takoma Academy Alumni | Academic & Science |
| Teymur Ali Ashurbeyov | Academic & Science |
| Transfer Admission Agreement | Academic & Science |
| Trade Adjustment Assistance | Accounts and Finance |
| Tarapaina | Airport Code |
| The Artists Archive | Business |
| Trans Australia Airlines | Business |
| Talent Agencies Act | Business |
| Teen Arrive Alive | Business |
| Transfer Articulation Agreement | Business |
| Tobacconist Association of America | Community |
| The Arts and Arms | Community |
| Temporary Autonomous Art | Community |
| Tourette Association of America | Community |
| Texas Apartment Association | Community |
| Tarheel Appaloosa Association | Community |
| Taiwanese American Association | Community |
| Teacher Access and Authorization | Community |
| Tobacconists Association of America | Community |
| Triangle Apartment Association | Community |
| Teaching Assistants' Association | Community |
| Trans Antarctic Aircraft | Community |
| Tulsa Apartment Association | Community |
| Turkish American Association | Community |
| Technical Advisor Analyst | Computing |
| Time Account Adjustment | Computing |
| Type Access Analyzer | Computing |
| Thoracic Aortic Aneurysm | General |
| Tactical Airsoft Arena | General |
| Test Accessibility And | General |
| Temporal Anti Aliasing | General |
| Tennessee Aviation Association | General |
| TSX Asynchronous Abort | General |
| Thoraco Abdominal Aneurysms | General |
| Technically Advanced Airplanes | General |
| Track Amplitude Averaged | General |
| Transparency Anti Aliasing | General |
| Toyota Auto Auction | General |
| Toronto Auto Auction | General |
| The Alien Army | General |
| Tortola Automobile Association | General |
| Tokyo Automobile Association | General |
| Tennessee Automotive Association | General |
| Trinidad and Tobago Automobile Association | General |
| Tunisian Automotive Association | General |
| The Automotive Advisor | General |
| Tolerance Allocation Agreement | General |
| tal Active Aircraft | General |
| Tactical Asset Allocation | General |
| Triad Aviation Academy | General |
| Tribeca All Access | General |
| Trade Assistance Adjustment | General |
| true anomaly angle—the | General |
| Trade Act Agreement | General |
| Toyota Auto Auctions | General |
| Thoracic Aortic Aneurysms | General |
| The Adams Administration | General |
| Test Accessibility and Accommodations | General |
| true anomaly angle?he | General |
| Tulsa Airport Authority | Governmental |
| transfusion-associated AIDS | Governmental |
| Trade Agreements Act | Governmental |
| Trade Agreement Act | Governmental |
| Thoroughbred Aftercare Alliance | Governmental |
| Transportation Administrators of Arizona | Governmental |
| Tucson Airport Authority | Governmental |
| Textile Art Alliance | Governmental |
| tal Army Analysis | Governmental |
| Tactical Automation Appraisal | Governmental |
| Terminal Arrival Area | Governmental |
| Technical Assistance Agency | Governmental |
| TADLA PUSAPALLI | Indian Railway Station |
| Thoracic aortic Aneurysm of Ascending Aorta | Medical |
| Terapia Assistida por Animais | Medical |
| ThoracoAbdominal Aorta | Medical |
| Tumor Associated Antigen | Medical |
| Traffic Accident Analysis | Military and Defence |
| Total Army Analysis | Military and Defence |
| Total Army Authorization | Military and Defence |
| Tactical Automation Appraisals | Military and Defence |
| Tactical Assembly Area | Military and Defence |
| Transitional Adjustment Assistance | Military and Defence |
| Total Active Aircraft | Military and Defence |
| Target Audience Analysis | Military and Defence |
| Train Alteration Advice | Regional |
| Trans Australian Airways | Regional |
| Technical Assistance Agreement | Space Science |
| Temporary Access Authorization | Space Science |
| Temporary Area Access | Space Science |
| Trekking Agents Association | Sports |
| Trafalgar Athletic Association | Sports |
