| Abbreviation | Definition |
|---|---|
| NTB | National Tire and Battery |
| NTBC | National Technology Business Centre |
| NTBC | New Technology Business Centre |
| NTBF | New Technology Based Firm |
| NTC | National Telecommunication Corporation |
| NTC | National Telemanagement Corporation |
| NTC | National Textile Center |
| NTC | National Textile Corporation |
| NTC | National Training Center |
| NTC | Nebraska Transport Company |
| NTC | Nepal Telecommunications Corporation |
| NTC | Northern Trading Company |
| NTCC | National Theatre Company of China |
| NTCI | Norwich Theater Company Inc |
| NTCIL | Northern Trust Cayman International Ltd |
| NTD | No Time Delay Electronics |
| NTD | North Texas Division |
| NTDC | National Transmission & Despatch Company |
| NTDC | National Transmission And Despatch Company |
| NTDC | National Transmission And Dispatch Company |