| Abbreviation | Definition |
|---|---|
| TGR | Thomas Global Register |
| TGRC | The Glass Recycling Company |
| TGRI | Tim Graboski Roofing Inc |
| TGS | The Gay Station |
| TGS | The Good Stuff |
| TGS | Ticket Granting Service |
| TGT | Trans Global Technologies |
| TGTDC | Titas Gas Transmission and Distribution Company |
| TGU | Transglobal Underground |
| TGU | Treasured Gifts Unlimited |
| TGW | The Golf Warehouse |
| TGW | Third Generation Woodworks |
| TGW | Thomas G, Williams, Estate Agents |
| TGW | Toronto Gold Wholesalers |
| TGX | The Global Interchange |
| TGXU | Tiger Cool Express LLC |
| TGXZ | Tiger Cool Express LLC |
| TGZ | Triangle Gaming Zone |
| TH | Technische Handleiding |
| TH | Travel And Hospitality |