| Abbreviation | Definition |
|---|---|
| THH | The Horse's Hoof |
| THI | Tim Hortons Inc |
| THK | Tsukuba Hoso Kyokai |
| THL | Tourism Holdings Ltd |
| THMC | Tom Harvey Motor Company |
| THO | Thomas Hill Outfitters |
| THOS | The House of Synergy |
| THP | Three Hats Productions |
| THP | Tiny Honeypot |
| THP | Tyndale House Publishers |
| THQ | Toy Head Quarters |
| THR | Total Holocaust Records |
| THS | Tournament Housing Services |
| THT | Testa, Hurwitz, & Thibeault , LLP. |
| THT | The Higher Technology |
| THT | The History Teacher |
| THT | The Human Tripod |
| THT | Town House Tours |
| THT | Troller Hitz Troller |
| THTC | The Hemp Trading Company |