East Carolina University, Department of Library Science, Greenville, NC - OCLC symbol (OCLC)
Lakehurst, NJ - Location identifier - FAA (FAAL)
National Electronics Laboratory (IDOE)
National Emancipation League - Nigeria
National Engineering Laboratory - Scotland
National Engineering Laboratory - Superseded IAT - Gaithersburg, MD - National Institute of Standards and Technology
National Epilepsy League - Later, EFA (EA)
National Epilepsy Library - Epilepsy Foundation (IID)
National Exploitation Laboratory - Imagery exploitation (GIS)
Naval Command Control Communications Laboratory Center
Naval Electronics Laboratory
Naval Explosive Laboratory
Navy Electronics Laboratory - San Diego, CA
Ndebele - Language code (ETLW)
Nelson - Nevada - Seismograph station code, US Geological Survey (SEIS)
Neon Light (IAA)
New England Mutual Life Insurance Co. (EFIS)
New English Library - Publishers - British
New Liberty - NCIC firearms make code (NCIC)
NewTel Enterprises Ltd. - Toronto Stock Exchange symbol
No Effect Level (ADA)
Noise Exposure Level (SAUS)
Non-English Language
Nonspecific Excitability Level - Animal behavior
Nordic Export Inc., Cape Coral, FL - Manufacturer code for watercraft hull identification number (USCG)
Northern Extratropical Land - Geography
Nuclear Electronics Laboratory (SAUS)
Nuclear Energy Laboratory - Research center (RCD)
Nuclear Engineering Laboratory - University of Utah - Research center (RCD)
Nelson's English Chancery Reports - A publication (DLA)