| Acronym | Definition |
|---|
| ITSL➣Information Theory and Statistical Learning (interdisciplinary conference) |
| ITSL➣Initial Threshold Screening Level (state air quality standard) |
| ITSL➣International Trade Shows Link (exhibition agency organization; Hemel Hempstead, England, UK) |
| ITSL➣Invision Top Site List |
| ITSL➣Independent Technology Systems Limited (UK) |
| ITSL➣Integrated Technology Solutions Limited |
| ITSL➣International Trade Services, Ltd. |