HTLS
| Acronym | Definition |
|---|---|
| HTLS | High Temperature Low Sag (conductors) |
| HTLS | Heritage Trail Library System |
| HTLS | High Transmission Light State (welding hoods) |
| HTLS | Holy Trinity Lutheran School (various locations) |
| HTLS | High Technology Land Surveying (Bullhead City, Arizona) |
| HTLS | Hierarchical Transparent LAN Services |