| 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 |