| NCMA | Nassau County Museum of Art 
| Others |
| NCMA | National Capital Music Academy
| Others |
| NCMA | National Capital Mustang Association
| Others |
| NCMA | National Catalog Managers Association
| Others |
| NCMA | National Certification Medical Association
| Others |
| NCMA | National Command and Military Authorities
| Others |
| NCMA | National Concrete Masonry Association
| Others |
| NCMA | National Construction Management Association
| Others |
| NCMA | National Contract Management Association
| Others |
| NCMA | Nebraska Cornhusker Motocross Association
| Others |
| NCMA | North Carolina Motorcoach Association
| Others |
| NCMA | North Carolina Motorsports Association
| Others |
| NCMA | North Carolina Museum of Art
| Others |
| NCMA | Northern California Medical Associates
| Others |
| NCMA | Northern California Micromount Association
| Others |
| NCMA | Northern California Modified Association
| Others |
| NCMA | Northern California Motor Association
| Others |