Apali - Language code (ETLW)
Eastern News Agency - Bangladesh (FEA)
Eastern North America (SAUS)
Ecole Nationale d'Administration - France
Electronic Networking Association - Defunct (IID)
Elkan N. Adler Collection - Jewish Theological Seminary of America, New York (BJA)
Emergency Nurses Association (EA)
Employment Nursing Adviser (HEAS)
Enable (NASA)
Energetic Neutral Atom - Imaging
Engineering Next Assembly (MCD)
English Newspaper Association
Enova Corp. - NYSE symbol - Formerly, San Diego Gas & Electric (SPSG)
Enrolled Nursing Aide (ADA)
Enterprise Arms - NCIC firearms make code (NCIC)
Enterprise Networking Association (SAUS)
Environmental Protection Agency, Region VII Library, Kansas City, MO - OCLC symbol (OCLC)
Espana, Direccion General de Aviacion Civil - Spain - ICAO designator (FAAC)
Ethiopian News Agency
Ethylnitrolic Acid - Organic chemistry
Europe and North Africa (SAUO)
European Networking Associates (VERA)
European Neuroscience Association (EAIO)
European Neurosciences Association - Bussum, Netherlands (SLS)
European Nitrators Association (SAUS)
Evening News Association
Experimental Negotiating Agreement - Steelworkers contract
Extended Network Addressing - IBM Corp. (VERA)
Extractable Nuclear Antibody - Immunology (DAVI)
Extractable Nuclear Antigen - Immunology
Extractable Nuclear Antigens (SAUS)
extrathyroidal neck radioactivity (SAUS)
Islander Marine, Stockton, CA - Manufacturer code for watercraft hull identification number (USCG)
Kenai - Alaska - Airport symbol (OAG)
Kenai, AK - Location identifier - FAA (FAAL)