Narcotic (AD)
Narcotics Agent (AD)
Narcotics - FBI standardized term
Narcotics Addiction Rehabilitation Center - Medicine (EDAA)
Narcotism - Chemical dependency (DAVI)
Nasal Airway Resistance Computer - Medicine (EDAA)
National Agricultural Research Center
National Amateur Retriever Club (EA)
National Archives and Records Service (AD)
National Army Revolutionary Committee - or Council - Laos
National Association for Retarded Citizens - Later, ARC (EA)
National Association of Regional Councils (EA)
National Association of Retired Catholics (AD)
National Atmospheric Radiation Centre (CDIAC)
Naval Air Research Center (DNAB)
Naval Air Reserve Center (DNAB)
Naval Alcohol Rehabilitation Center (DNAB)
Nepal Agricultural Research Council - Research center (RCD)
Never at Rest Couriers
Ninth Area Radio Club (SAUS)
Nonautomatic Relay Center (AABC)
North American Riders Club (EA)
North American Rockwell Corp. - Later, Rockwell International Corp. (MCD)
North American Warez Coalition
North Atlantic Route Chart (PIPO)
Northern Automobile Racing Club - Sanctioning organization
Nuclear Age Resource Center (EA)
Nuclear Phreakers Hackers Carders
Nucleus Arcuatus - Medicine (EDAA)
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