| Rank | Abbreviation | Meaning |
|---|
| ***** | TTSC | Text-to-Speech Converter
| |
| ***** | TTSC | Technology and Telecommunications Steering Committee
| |
| **** | TTSC | Technology Transfer and Service Center
| |
| **** | TTSC | Travel Trade Sports Club
| |
| **** | TTSC | Taiwan Transport and Storage Company Limited
| |
| *** | TTSC | Tanker Transport Services Consortium
| |
| *** | TTSC | Telescope Time Steering Committee
| |
| *** | TTSC | Tigard Tualatin Swim Club
| |
| *** | TTSC | The Taverns of Sangamon County
| |
| *** | TTSC | Tyler Tennis & Swim Club
| |
| ** | TTSC | Technology Training and Services Corporation
| |
| ** | TTSC | Test Team Supply Custodian
| |
| ** | TTSC | Treasury Telecommunications Systems Council
| |
| ** | TTSC | Technology Training Support Coordinators
| |
| ** | TTSC | Teacher Technology Support Center
| |
| ** | TTSC | Tuscaloosa Tourism and Sports Commission
| |
| ** | TTSC | Textile Training and Services Centre
| |
| * | TTSC | Theme from The Syncopated Clock
| |
| * | TTSC | Tonawanda Titans Swim Club
| |
| * | TTSC | Terminator The Sarah Connor
| |
| * | TTSC | The Taverns of Sangmon County
| |
| * | TTSC | Tonbridge Town Sailing Club
| |
| * | TTSC | Townsville Thuringowa Safe Communities
| |
| * | TTSC | Toyo Takakuwa Sumitomo Coal
| |
| * | TTSC | Typical Tropical Swim Club
| |