| NCTL | Narmada Clean Tech Ltd 
| Others |
| NCTL | National Center for Teaching and Learning
| Others |
| NCTL | National Center for Technological Literacy
| Others |
| NCTL | National Center on Time & Learning
| Others |
| NCTL | National Center on Time and Learning
| Others |
| NCTL | National Center on Time Learning
| Others |
| NCTL | National Certified Testing Laboratories
| Others |
| NCTL | National College for Teaching and Leadership
| Others |
| NCTL | National College of Teaching and Leadership
| Others |
| NCTL | National Computer and Telecommunications Laboratory
| Others |
| NCTL | National Congress of Thai Labour
| Others |
| NCTL | Nelson Community Toy Library
| Others |
| NCTL | Nembe Creek Trunk Line
| Others |
| NCTL | Normal Compaction Trend Lines
| Others |
| NCTL | North Carolina Teacher Librarians
| Others |
| NCTL | North Central Thumb League
| Others |
| NCTL | Notched Constant Tensile Load
| Others |