sort by Rank | Alpha
| Possible Meanings | Rank |
| North American Manufacturing Company | **** |
| National Arts Marketing Conference | **** |
| North American Muscle Cars | *** |
| National Association of Medical Communicators | *** |
| Nationwide Advantage Mortgage Company | *** |
| North American Metals Corp | *** |
| Natsource Asset Management Corp | *** |
| National Asset Management Corporation | *** |
| Norfolk Animal Management Center | *** |
| National Association of Muslim Chaplains | *** |
| National Association of Medics and Corpsmen | *** |
| Nebraska Animal Medical Center | *** |
| NATIONAL AGRICULTURAL MARKETING COUNCIL | *** |
| Norwegian Army Materiel Command | *** |
| Non Accredited Media Centre | *** |
| Nebraska Advanced Manufacturing Coalition | *** |
| North American Marine Conference | *** |
| Norwegian Army Material Command | *** |
| non-adherent mononuclear cells | ** |
| National Audiovisual Media Council | ** |
| North Aurora Mothers Club | ** |
| North American Migratory Count | ** |
| National Agriculture Marketing Council | ** |
| National Association of Medics | ** |
| National Association of Mortgage Counselors | ** |
| Nihon Aeroplane Manufacturing Company | ** |
| National Assoc of Minority Contractors | ** |
| Naval Air Material Center | ** |
| North Atlantic Mortgage Corporation | ** |
| Nanchang Aircraft Manufacturing Corporation | ** |
| Nanchang Aircraft Manufacturing Company | ** |
| National Abstinence Media Campaign | ** |
| Nihon Aircraft Manufacturing Corporation | ** |
| Nigerian Army Medical Corps | ** |
| North America Mattress Corporation | ** |
| Nevada Association of Mechanical Contractors | ** |
| North American Masonry Conference | ** |
| North America Migration Count | ** |
| Not Another Marketing Company | ** |
| North American Ministerial Council | ** |
| North Attleborough Medical Center | ** |
| National Association for Minority Contractors | ** |
| Nonprofit Alliance of Monterey County | ** |
| North American Montessori Centre | * |
| National Agricultural Mechanics Committee | * |
| North American Montessori Center | * |
| Native American Ministry Committee | * |
| North American Maher Community | * |
| National Association of Medical Communications | * |
| Nippon Aircraft Manufacturing Corp | * |
| Norwegian Association of Management Consultants | * |
| New Age Music Center | * |
| Nickle Arts Museum Calgary | * |
| North American Mining Companies | * |