| NACCA | National Action Committee for Children Affected 
| Others |
| NACCA | National Association of Claimants Compensation Attorneys
| Others |
| NACCA | National Association of Consumer Credit Administrators
| Others |
| NACCA | Nevada Association For Court Career
| Others |
| NACCA | New Approaches in the Conservation of Contemporary Art
| Others |
| NACCA | Newmarket African Caribbean Canadian Association
| Others |
| NACCA | North American Council of Chemical Associations
| Others |
| NACCA | North American Credit Card Association
| Others |