| Abbreviation | Definition |
|---|---|
| TTG | Travel Technology Group |
| TTGS | Team Top Gun Schweiz |
| TTH | Tell Tale Holes |
| TTH | The Transportation Hub |
| TTHC | Texas Transmission Holdings Corp |
| TTHH | Traditional Turkish Hospitality Hotel |
| TTI | Tactical Technologies Inc |
| TTI | Technology Transfer Institute |
| TTI | Tetra Technologies Inc |
| TTI | Touch Technologies, Inc. |
| TTI | Traffic Technologies Inc |
| TTI | Tube Technologies Inc |
| TTI | Tube Technologies, Inc. |
| TTIL | Tata Technologies India Ltd |
| TTJ | Take The Jag, Limited |
| TTK | TriaTeK Auto, Inc. |
| TTL | Taiwan Tobacco and Liquor Company |
| TTL | Tennessee Truck Lines |
| TTL | Trading Technologies LLC |
| TTL | Tropical Trailer Leasing |