| Text Dependent Analysis | Academic & Science |
| Turkish Dental Association | Academic & Science |
| Türk Dişhekimleri Birliği | Academic & Science |
| Three Dragons Academy | Academic & Science |
| Tornado Detection Algorithm | Academic & Science |
| Theatre Dance Academy | Academic & Science |
| Teachers Driving Academy | Academic & Science |
| Tax Deferred Account | Business |
| Top Digital Agency | Business |
| Trade Development Agency | Business |
| Telecommunications Delivery Americas | Business |
| Team Disney Anaheim | Business |
| Total Detected Area | Chemistry |
| Texas Deer Association | Community |
| Training and Development Associates | Community |
| Tourism Development Authority | Community |
| Tigrai Development Association | Community |
| Trenton Downtown Association | Community |
| Trade Development Authority | Community |
| Travel Desk Agent | Community |
| Total Drama Action | Community |
| Trade Development Alliance | Community |
| Transload Distribution Association | Community |
| Tournament Directors Association | Community |
| Training and Development Agency | Community |
| Technical Design Architect | Computer Technology |
| Technical Design Authority | Computing |
| Tamn Dancoff approximation | General |
| tal Drama Action | General |
| tal Design Ability | General |
| Topological Data Analysis | General |
| Tangan Di Atas | General |
| Translational data analytics | General |
| Tire Derived Aggregate | General |
| Tables of Distribution and Allowances | General |
| Tender Dollar Amounts | General |
| Triple Detector Array | General |
| TI Drive Assistance | General |
| Thermal Donors Annihilation | General |
| Tennessee Department of Agriculture | General |
| Tandem Drive Axle | General |
| Teen Driving Agreement | General |
| Teen Driver Association | General |
| Track Day Argentina | General |
| Time for Dark Adaption | General |
| Taxi Drivers Association | General |
| Technicien Diagnostic Automobile | General |
| Truck Driver Academy | General |
| Toyota De Angola | General |
| Three Dimensional Art | General |
| The Tamm Dancoff Approximation | General |
| Transition Data Analysis | General |
| Technological Display of Affection | General |
| Texas Department of Agriculture | General |
| Transition Distribution Amplitude | General |
| Transformational Discipleship Assessment | General |
| Thread Dump Analyzer | General |
| Training Delivery Agent | General |
| Trans dermal Application | General |
| Tamm Dancoff approximation | General |
| The Dark Artifices | General |
| Transportation Disaster Assistance | Governmental |
| Transport Decarbonisation Alliance | Governmental |
| Trade and Development Agency | Governmental |
| Train Dynamics Analyzer | Governmental |
| Taking and Driving Away | Governmental |
| Take and Drive Away | Governmental |
| Transportation Development Act | Governmental |
| Transportation Development Association | Governmental |
| Transit Development Act | Governmental |
| Tap Dat A** | Internet |
| Tactile Digital Assistant | Jobs |
| Trust Development Authority | Medical |
| Trouble du Déficit de l’Attention | Medical |
| Texas Dental Association | Medical |
| Total Dental Administrators | Medical |
| Tennessee Dental Association | Medical |
| Table of Distribution and Allowances | Military and Defence |
| Target Damage Assessment | Military and Defence |
| Tactical Decision Aid | Military and Defence |
| Technical Direction Agency | Military and Defence |
| Table of Distribution and Allowance | Military and Defence |
| Temporal Data Authority | Networking |
| TAFE Directors Australia | Regional |
| Teamworks Development Australia | Regional |
| Trinidad, Colombia | Regional |
| Technical Data Analysis | Space Science |
| Telecommunications and Data Acquisition | Space Science |
| Tru Dat Allstars | Sports |
| Trail Drivers Association | Sports |
| Tax Deferred Annuity | Stock Exchange |