| Toilet Locking System | Academic & Science |
| Two-Level System | Academic & Science |
| Thüringer Landessternwarte | Academic & Science |
| Thermal Laser Stimulation | Academic & Science |
| Tallinn Law School | Academic & Science |
| The Leterary Set | Academic & Science |
| Toulouse | Airport Code |
| Lax and Legal Services | Business |
| Tax and Legal Services | Business |
| Tank Level Sensor | Business |
| Telstra Corporation, LTD. | Business |
| Telstra, LTD. | Business |
| Threaded Locking System | Business |
| Torrey Life Sciences | Business |
| The Love Shack | Business |
| The Lighting Source | Business |
| The Last Stop | Business |
| Training for Learning and Serving | Community |
| Times Literary Supplement | Community |
| The Last Survivors | Community |
| Transfer Loading Station | Community |
| Travel Lifestyle Services | Community |
| Top Law Schools | Community |
| The Lost Sombrero | Community |
| Together Learning and Sharing | Community |
| Trinity Lutheran School | Community |
| Traditional Lough Style | Community |
| Tiverton Library Services | Community |
| Three Line Scanner | Computer Hardware |
| Tape Library System | Computing |
| The Last Sttand | Computing |
| The Legendary Starfy | Computing |
| Thread Level Speculation | Computing |
| Technical Library Supplement | Computing |
| Three Letter Shortcut | Computing |
| Terminal Server Licensing | Computing |
| Transmission Line Systems | Computing |
| Transparent Lan Service | Computing |
| Transaction Layer Security | Computing |
| Two Level Systems | Computing |
| Timor-Leste | Country ISO Code |
| Transmission Line Speaker | Electronics |
| Typed Letter Signed | General |
| Trustee Leader Scholar | General |
| Transitions Lifestyle System | General |
| Transitional Living Services | General |
| Time Lapse System | General |
| Thee Lionel Show | General |
| Tough Lightweight and Smart | General |
| Triple Link Suspension | General |
| Torque Limiting System | General |
| The Last Samurai | General |
| Toyota Lexus Scion | General |
| Target Level of Safety | General |
| Toyota Logistics Services | General |
| Translation Libration and Screw | General |
| Taxi Licensing Service | General |
| Transport Level Security | General |
| Truck Licensing System | General |
| Tourisme Luxe Super | General |
| tal Life Style | General |
| Truck Load Services | General |
| Trailblazer Ls | General |
| Topaz Ls | General |
| Toronto Limousine Services | General |
| Transfer and Limousine Service | General |
| Transparent Liquid Sculpey | General |
| Through-Lens Screw | General |
| Translucent Liquid Sculpey | General |
| The Last Saiyans | General |
| Transportation Layer Security | Governmental |
| Trinity Law School | Governmental |
| BETTAHALSOOR | Indian Railway Station |
| Thread-Local Storage | Information Technology |
| Transport Layer Security | Information Technology |
| Telsiz | International |
| True Love Sister | Internet |
| Total Least Squares | Maths |
| Tumor Lysis Syndrome | Medical |
| Therapeutic Living Services | Medical |
| Talking Loud Syndrome | Medical |
| Transparent Lan (local Area Network) Service | Networking |
| Transport Layer Service | Networking |
| TheaterLexikon der Schweiz | News & Entertainment |
| Thesaurus Linguae Sericae | News & Entertainment |
| Two-level Tunneling System | Physics Related |
| Toulouse, France | Regional |
| Top Level Specification | Softwares |
| Top Left Side | Space Science |
| Time Line Sheet | Space Science |
| Telstra Corporation Limited | Stock Exchanges |
| Telephone Line Simulator | Telecommunication |
| Toulouse–Blagnac Airport | Transport & Travel |
| Transponder Landing System | Transport & Travel |
