| NAIC | Naicnorthern Arizona Interfaith Council 
| Others |
| NAIC | National Adoption Information Clearinghouse
| Others |
| NAIC | National Air Intelligence Center
| Others |
| NAIC | National Association for Insurance Commissioners
| Others |
| NAIC | National Association Of Insurance Commisioners
| Others |
| NAIC | National Association of Insurance Commissioners
| Others |
| NAIC | National Association of Insured Commissioners
| Others |
| NAIC | National Association of Investment Clubs
| Others |
| NAIC | National Association of Investment Companies
| Others |
| NAIC | National Association of Investors Corporation
| Others |
| NAIC | National Astronomy And Ionosphere Center
| Others |
| NAIC | National Authority of Industrial Commissioners
| Others |
| NAIC | National Automotive Innovation Campus
| Others |
| NAIC | National Automotive Innovation Centre
| Others |
| NAIC | National Automotive Insurance Company
| Others |
| NAIC | NATO Analog Interface Converter
| Others |
| NAIC | Naval Armament Inspection Cadre
| Others |
| NAIC | Naval Armament Inspectorate Cadre
| Others |
| NAIC | Network Assisted Interference Cancellation
| Others |
| NAIC | Newly Agro Industrialized Country
| Others |
| NAIC | No Action Is Contemplated
| Others |
| NAIC | North American Industrial Classification
| Others |
| NAIC | North American Industry Classification
| Others |
| NAIC | North American Inspectors Championship
| Others |
| NAIC | North American Interfraternity Conference
| Others |