Not Elsewhere Included or Indicated (EBF)
Narcotics Education, Inc. (EA)
National Elevator Industry (NTPA)
National Enterprises (EFIS)
National Estuarine Inventory
National Eye Institute - Formerly, NINDB - Department of Health and Human Services - Bethesda, MD - National Institutes of Health
Nature Expeditions International (GNE)
Neipperg - Federal Republic of Germany - Seismograph station code, US Geological Survey (SEIS)
Netherlands East Indies
Network Engineering, Inc. - Commercial firm
New Empire - NCIC firearms make code (NCIC)
New England Corp., Portsmouth, NH - Manufacturer code for watercraft hull identification number (USCG)
New England Institute (SAUS)
New England Instrument (SAUS)
New Enterprise Institute - University of Southern Maine - Research center (RCD)
New Equipment Introduction - Army (AABC)
Noise Equivalent Input (SAUS)
Noise-Equivalent Input
Noise Equivalent Intensity (SAUS)
Noise-Equivalent Intensity
Noise Equivalent Irradiance (CIST)
Noise Exposure Index (SAUS)
Non Est Inventus - It Has Not Been Found or Discovered - Latin
Non Explosive Initiator (ACAE)
Non-Explosive Initiator (LDOE)
Nordic Energy Index - Database - Nordic Atomic Libraries Joint Secretariat - Denmark - Information service or system (IID)
Northern Electric Industries - British
Northern Engineering Industries - Commercial firm - British
Not Elsewhere Included (SAUS)
Not Elsewhere Indicated
Nouvelles Equipes Internationales - Later, European Christian Democratic Union
Nuclear Energy Institute (NTPA)
US National Eye Institute (SAUS)