| Abbreviation | Definition |
|---|---|
| TNS | Taylor Nelson Sofres |
| TNS | Total Network Solutions |
| TNSC | Taiyo Nippon Sanso Corp |
| TNSC | Taiyo Nippon Sanso Corporation |
| TNSC | The Network Support Company |
| TNSETC | Tamil Nadu State Express Transport Corporation |
| TNT | Thomas Network Team |
| TNT | Tombsonte National Towing |
| TNT | Toons N Toys |
| TNTC | The National Theatre Company |
| TNTC | The Northern Trust Company |
| TNTC | True North Technologies Corporation |
| TNTDC | Tamil Nadu Tourism Development Corporation |
| TNU | Tottally Nuts Unlimited |
| TNV | Thursday Night Video |
| TNW | TashNa Whirlwindhorse |
| TNW | Technikon North West |
| TNW | Thorpe, North, & Western |
| TNWC | Tamil Nadu Warehousing Corporation |
| TNWC | The New Wholesale Company |