| Acronym | Definition |
|---|
| NAEC | National Association of Elevator Contractors |
| NAEC | Novell Authorized Education Center |
| NAEC | Naval Air Engineering Center |
| NAEC | Nigeria Atomic Energy Commission (Abuja, Nigeria) |
| NAEC | National Agency for Enterprise and Construction (Denmark) |
| NAEC | Nigeria Army Education Corps (Nigeria) |
| NAEC | National Agenda for Early Childhood (Australia) |
| NAEC | National Agriculture Environment Committee |
| NAEC | Naphthenic Acid Erosion-Corrosion (oil refining industry) |
| NAEC | National Aeronautical Establishment (Canada) |
| NAEC | National Association of Engineering Companies |