sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| New Amsterdam Symphony Orchestra | **** |
| Native American Student Organization | *** |
| National Association for the Study of Obesity | *** |
| North American School of Officiating | *** |
| National Association of Sport Officials | ** |
| National Association of SURS Officials | ** |
| National Arts Service Organization | ** |
| Netherlands American Society of Ohio | ** |
| National Assoc of Sports Officials | ** |
| Native American Students Organization | * |
| Northeastern African Student Organization | * |
| NATIVE AFRICAN STUDENT ORGANIZATION | * |
| Nkhotakota AIDS Support Organization | * |
| Netherlands Association for the Study of Obesity | * |
| Nkhotakota AIDS Support Organisation | * |