| New Amsterdam Musical Association | Associations & Organizations |
| North American Manipur Association | Associations & Organizations |
| National Asset Management Agency (ireland) | Banking |
| National Ayurvedic Medical Association | Business |
| North American Mycological Association | Business |
| North American Manx Association | Business |
| National Automatic Merchandising Association | Business |
| Nashville American Marketing Association | Business |
| Nashville American Marketing Association's | Business |
| North American Monitoring Association | Business |
| North America Manipur Association | Business |
| National Agricultural Marketing Association | Business |
| Nigerian Airspace Management Agency | Business Management |
| National American Metis Association | Community |
| National Association of Model Agencies | Community |
| National Association of Motor Auctions | Community |
| National Airspace Management Agency | Community |
| New Amsterdam Music Association | Community |
| Non-Agricultural Market Access | General |
| Nationally Appropriate Mitigation Actions | General |
| Nationally Appropriate Mitigation Action | General |
| Nigerian Automotive Manufacturers Association | General |
| North American Motorsports Association | General |
| National Automotive Muffler Association | General |
| National Alliance Of Methadone Advocates | Governmental |
| National Asset Management Agency | Governmental |
| Northwest Atlantic Marine Alliance | Governmental |
| National Agri Marketing Association | Medical |