sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| North America Research Group | *** |
| National Association Radioamateurs of Georgia | ** |
| Nucleic Acid Research Group | ** |
| National Asthma Reference Group | ** |
| Nevada Aerial Research Group | ** |
| North American Regional Gas | ** |
| Native American Resource Group | ** |
| North Austin Rock Gym | ** |
| Narborough Airfield Research Group | * |
| Northern Alberta Regional Geriatrics | * |
| Nutrition Advisory and Research Group | * |