| Acronym | Definition |
|---|
| TSTI➣Texas State Technical Institute |
| TSTI➣Temple Sharey Tefilo-Israel (South Orange, NJ) |
| TSTI➣Tatung System Technologies, Inc. (Taiwan) |
| TSTI➣Total Safety Task Instruction |
| TSTI➣Too Small To Investigate |
| TSTI➣Texas State Traffic Institute |