| 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) |