| THS | Taconic High School 
| Others |
| THS | Tactical Harness System
| Others |
| THS | Tahquitz High School
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| THS | Takara Hybrid Style
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| THS | Talking Hump Syndrome
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| THS | Tanner High School
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| THS | Tarkington High School
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| THS | Tavares High School
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| THS | Taylor High School
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| THS | Technical High School
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| THS | Tehachapi High School
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| THS | Templeton High School
| Others |
| THS | Temporary Help Services
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| THS | Temporary Holiday Site
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| THS | Temporary Housing Situation
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| THS | Tenafly High School
| Others |
| THS | Tennessee High School
| Others |
| THS | Tennessee High School, Bristol, Tennessee
| Others |
| THS | Tennyson High School
| Others |
| THS | Territorial Highway System
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| THS | Terryville High School
| Others |
| THS | Texas Health School
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| THS | That Home Site!
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| THS | The Hash Speed
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| THS | The Head Shooters
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| THS | The Heritage School
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| THS | The Highest Standard
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| THS | The Hollowed Soldiers
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| THS | The Hot Stuff
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| THS | The Hybrid Shop
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| ThS | Theological Studies
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| THS | Therapeutic Health Services
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| THS | Thesaurus File
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| THS | Thirdhand Smoke
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| THS | Thomasville High School
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| THS | Thompson High School
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| THS | Thomson High School
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| THS | Thurston High School
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| THS | Tigard High School
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| THS | Timberline High School
| Others |
| THS | Timpanogos High School
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| THS | Titanic Historical Society
| Others |
| THS | Tobacco Heating System
| Others |
| THS | Tolland High School
| Others |
| THS | Tomball High School
| Others |
| THS | Toms Hobby Shop
| Others |
| THS | Top Hat Silver
| Others |
| THS | Topeka High School
| Others |
| THS | Torrance High School
| Others |
| THS | Total Homecare Solutions
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| THS | Total Hybrid System
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| THS | Tournament Housing Services
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| THS | Towers High School
| Others |
| THS | Toyota Home Service
| Others |
| THS | Toyota Hybrid System
| Others |
| THS | Traitement Hormonal Substitutif
| Others |
| THS | Translational Health Sciences
| Others |
| THS | Transmission Hydraulic Switch
| Others |
| THS | Trauma History Screen
| Others |
| THS | Travis High School
| Others |
| THS | Travishigh School
| Others |
| THS | Treasure Hunt Simulator
| Others |
| THS | Trespasser Hacking Society
| Others |
| THS | Tribuzio Hilliard Studio
| Others |
| THS | Trimmable Horizontal Stabilizer
| Others |
| THS | Trinity High School
| Others |
| THS | Trion High School
| Others |
| THS | Tripod and Hydration System
| Others |
| THS | Triton High School
| Others |
| THS | Troy High School
| Others |
| THS | Truckee High School
| Others |
| THS | True Hollywood Story
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| THS | Trumbull High School
| Others |
| THS | Tubing Head Spool
| Others |
| THS | Tullahoma High School
| Others |
| THS | Tumwater High School
| Others |
| THS | Tupelo High School
| Others |
| THS | Turlock High School
| Others |
| THS | Tuscarora High School
| Others |
| THS | Tuscola High School
| Others |
| THS | Two Handed Sword
| Others |
| THS | Tyngsborough High School
| Others |
| THS | WordPerfect for Windows Thesaurus dictionary
| Others |