| Rank | Abbreviation | Meaning |
|---|
| ***** | NTCL | Northern Telecom Canada Ltd.
| |
| ***** | NTCL | National Tea Company Limited
| |
| ***** | NTCL | Nippon Trading Company Limited
| |
| ***** | NTCL | Northern Telecom Canada Limited
| |
| **** | NTCL | Northern Transportation Co. Ltd.
| |
| **** | NTCL | NORMA TÉCNICA DE COMPETENCIA LABORAL
| |
| **** | NTCL | Northern Transport Company Limited
| |
| **** | NTCL | National Tax Collection Law
| |
| **** | NTCL | New Technologies for Collaborative Learning
| |
| **** | NTCL | New Town City Library (New Town, ND)
| |
| *** | NTCL | National Tiles Ceramics Ltd
| |
| ** | NTCL | National Textile Corporation Ltd
| |
| ** | NTCL | Nasal T-Cell Lymphoma
| |
| * | NTCL | Northern Transportation Company Limited
| |