| Abbreviation | Definition |
|---|---|
| NACS | Neighborhood Alliance for Child Safety |
| NACU | National Alliance of Communications Unions |
| NADA | New Art Dealers Alliance |
| NAEC | Northern Alliance of Engineering Contractors |
| NAEH | National Alliance to Ending Homelessness |
| NAFAS | Nassau Alliance for Addiction Services |
| NAFO | National Alliance of Forest Owners |
| NAFRA | North American Flame Retardant Alliance |
| NAFS | National Alliance for Food Safety |
| NAFSA | Native American Food Sovereignty Alliance |
| NAG | Nicheling Alliance Group |
| NAHA | National Aviation Heritage Alliance |
| NAHT | National Alliance of HUD Tenants |
| NAIA | National Animal Interest Alliance |
| NAIA | North American Insurance Alliance |
| NAICS | Northern Alliance Of Information Compiled Sources |
| NALA | National Alliance of Legal Administrators |
| NALA | Nursing Alliance Leadership Academy |
| NALC | National Alliance of Life Companies |
| NAMA | National Alliance Of Methadone Advocates |