sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| New Concept Information Systems | **** |
| National Criminal Investigation Service | **** |
| Non Commutable Income Stream | **** |
| National Council of Independent Schools | **** |
| National Crop Insurance Services | *** |
| Network Consulting and Integration Services | *** |
| National Criminal Information System | *** |
| Navy Criminal Investigation Service | *** |
| Naval Criminal Investigation Service | *** |
| National Cruelty Investigations School | *** |
| Neonatal Cardiomyocyte Isolation System | *** |
| Naval Criminal Investigative Services | *** |
| National Clinical Information System | *** |
| National Coronial Information System | *** |
| Naval Criminal Intelligence Service | *** |
| Navy Criminal Investigative Service | *** |
| National Criminal Intelligence System | *** |
| Nature Conservation Information System | *** |
| Norwegian Channel Ice Stream | *** |
| National Career Information Service | *** |
| National Center for International Schools | *** |
| National Council for Impacted Schools | *** |
| National Criminal Index Search | *** |
| National Crime Intelligence Squad | *** |
| Naftidrofuryl Clinical Ischemia Study | *** |
| National Chemical Information Symposium | ** |
| National Conference on Intelligent Systems | ** |
| National Contaminants Information System | ** |
| National Cardiovascular Information System | ** |
| National Career Information System | ** |
| Naval Crime Investigative Service | ** |
| New Construction Inspection Specialist | ** |
| Namibian Central Intelligence Service | ** |
| National Construction Insurance Services | ** |
| Nevada Criminal Information System | ** |
| National Crime Information System | ** |
| National Cruelty Investigators School | ** |
| Norwegian Council for Information Science | ** |
| National Corporate Investment Services | ** |
| National Cultural Information System | ** |
| National Check Information Service | ** |
| Net Centric Infrastructure Services | ** |
| National Center for Infectious | ** |
| National Club Insurance Scheme | ** |
| Navy Crime Investigation Service | ** |
| Nadir Climate Interferometer Spectrometer | * |
| National Council for the Social | * |
| Nationally Coordinated Industry Survey | * |
| Nebraska Career Information Service | * |
| Naval Crimminal Investigative Service | * |
| National Central Intelligence Services | * |
| National Criminal Investigative Services | * |
| Navision Certified Implementation Specialist | * |
| Naval Criminial Investigative Service | * |
| NeoMedia Consulting and Integration Services | * |
| Nonintrusive Container Inspection System | * |
| Nebraska Crime Information System | * |
| Networks Computers Internet Solutions | * |
| NHS Contract Information System | * |
| Nadir Climatic Interferometer Spectrometer | * |
| National Center for Information Security | * |
| North Central Institute for Sust | * |