| Theoretical and Applied Science | Academic & Science |
| The Tehran American School | Academic & Science |
| Taipei American School | Academic & Science |
| Textiles, Art, And Science | Academic & Science |
| Temporary Academic Support | Academic & Science |
| Tennessee Academy of Science | Academic & Science |
| The Accounting Solution | Accounts and Finance |
| Tashkent | Airport Code |
| Trained Advertising Specialist | Business |
| Thomas Aircraft Sales | Business |
| Tentamen Aanmeld Systeem | Business |
| Total Automation Systems | Business |
| Tiff Advisory Services | Business |
| Target Account Selling | Business |
| Tasman Resources NL | Business |
| Tool Accountability System | Business |
| Thermal Analyzer System | Chemistry |
| The Amber Spyglass | Community |
| Theater Amplifier Standard | Community |
| Tauraroa Area School | Community |
| Tuskegee Airmen Scholarship | Community |
| Targeted Assistance School | Community |
| Test and Set | Computer Assembly Language |
| Technology and Applied Sciences | Computing |
| Toshiba Authentication Service | Computing |
| Telephone Access Server | Computing |
| Tobit Archive System | Computing |
| The Animated Series | Computing |
| Textbridge Application Server | Computing |
| Telecommunication Analysis Systems | Computing |
| Telephone Answering Service | Computing |
| Test Access Switch | Computing |
| Telephony Application Server | Computing |
| Tpc Analysis Shell | Computing |
| Technology Accuracy And Speed | Computing |
| Token Access Support | Computing |
| Technology and Applied Studies | Educational Degree |
| Trace Analysis System | Electronics |
| Ticket Alert Service | General |
| Traceable Author Statement | General |
| Trade Automation Service | General |
| Technological and Applied Studies | General |
| tal Alkali Silica | General |
| Time And Sales | General |
| Treasury Account Symbol | General |
| The Adventurous Spark | General |
| The Advancement System | General |
| That’s After School | General |
| Tool Assisted Speedruns | General |
| Tool Assisted Superplay | General |
| Thin Agent Service | General |
| Transformaciones De Arboles Sintacticos | General |
| The Absolute Sound | General |
| Taiwan Anthro Spirit | General |
| Tupac Amaru Shakur | General |
| Teaching As Scholarship | General |
| Technical Assistance System | General |
| Transformaciones De Arboles Sinta | General |
| Tactical Antitank System | General |
| Total Annihilation Squad | General |
| Tahoe Ls | General |
| Transmission Assessment Surveys | General |
| Temporary Alternative Services | General |
| That? After School | General |
| Trottoir Afkoppel Steen | General |
| Telephone Advice Service | General |
| Tactical Assassination Squad | General |
| Target Acccount Selling | General |
| Tanaka And Son | General |
| The Absolute Spatial | General |
| Take a Selfy | General |
| Transient Absorption Spectrometer | General |
| Technical Account Specialists | General |
| Transition Assistance Services | General |
| TLD Application System | General |
| Treatment As a State | General |
| Tool Assisted Speed | General |
| The Awsome Sonic | General |
| Trading Against a Spike | General |
| Trade At Settlement | General |
| Transportoque Aeriata Saflavina | General |
| Tokyo Auto Show | General |
| Throttle Adjust Screw | General |
| Total Air Suspension | General |
| Trofeo Abarth Selenia | General |
| Trailer Air Suspension | General |
| Tvornica Automobila Sarajevo | General |
| Time Attack Series | General |
| Trap Alert System | General |
| Torque and Angle Sensor | General |
| Traction Assist System | General |
| Temperature Air Sensor | General |
| Technical Application Submission | General |
| Turning Automotive Seating | General |
| Toyota Audio System | General |
| Texas Accessibility Standards | General |
| Taxpayer Advocate Service | General |
| Transportation Assistance System | Governmental |
| Traffic Advisory System | Governmental |
| Trail A Sled | Governmental |
| THASRA | Indian Railway Station |
| Türk Anonim Sirketi | International |
| T·k Anonim Sirketi | International |
| Telomeric Associated Sequences | Maths |
| Trans Abdominal Sonography | Medical |
| Tactical Atmospheric Summary | Military and Defence |
| Target Acquisition System | Military and Defence |
| Tactical Automatic Switch | Military and Defence |
| Tactical Air Support | Military and Defence |
| Tasmania, Australia | Regional |
| Tashkent, Uzbekistan | Regional |
| Telemetry Antenna Subsystem | Space Science |
| Test Article Specification | Space Science |
| Tether Applications In Space | Space Science |
| True Airspeed | Space Science |
| Thermal Analysis for Space | Space Science |
| Tool-assisted Speedrun | Sports |
| Tribunal Arbitral du Sport | Sports |
