| NAEC | National Advisory Eye Council 
| Others |
| NAEC | National Aeronautical Establishment Canada
| Others |
| NAEC | National Aerospace Education Center
| Others |
| NAEC | National Agenda for Early Childhood
| Others |
| NAEC | National Association of Elevator Contractors
| Others |
| NAEC | National Association of Epilepsy Centers
| Others |
| NAEC | National Association of Export Companies
| Others |
| NAEC | Naval Air Engineering Center
| Others |
| NAEC | Neighborhood Association of East Cambridge
| Others |
| NAEC | Network Automation in the Enterprise Cloud
| Others |
| NAEC | New Approaches to Economic Challenges
| Others |
| NAEC | Nigeria Atomic Energy Commission
| Others |
| NAEC | Nigerian Atomic Energy Commission
| Others |
| NAEC | North American Endurance Championship
| Others |
| NAEC | North American Epilepsy Congress
| Others |
| NAEC | North American Export Committee
| Others |
| NAEC | North Area Environmental Council
| Others |
| NAEC | North Arkansas Electric Cooperative
| Others |
| NAEC | Northern Alliance of Engineering Contractors
| Others |
| NAEC | Novell Authorized Education Center
| Others |