HSTC
| Acronym | Definition |
|---|---|
| HSTC | History of Science and Technology (academic program) |
| HSTC | Hi-Shear Technology Corporation |
| HSTC | Homeland Security Technology Corporation (various locations) |
| HSTC | Humane Society of the Treasure Coast (Florida) |
| HSTC | Homeland Security Technology Council |
| HSTC | Humane Society of Tuscola County (est. 1996; Caro, MI) |