English abbreviations from els to em
- ELS (Electromagnetic Launcher System)
- E-LSA (experimental light-sport aircraft)
- ELSA (English Language Services for Adults)
- ELSAP (Elektronische Schiessanlage für Panzer (electronic fire system for tanks))
- ELSC (Edmond & Lily Safra Center for Brain Sciences (Hebrew University))
- ELSEC (Electronic Security)
- ELSI (Extra Large Scale Integration)
- ELSMT (Entry Level Standards for Michigan Teachers)
- ELSO (Extracorporeal Life Support Organization)
- ELSS (Emergency Life Support Stores)
- ELT (Emergency locator transmitter)
- ELTP (Entry Level Training Program)
- ELU (Guemar Airport)
- ELV (Elfin Cove Seaplane Base)
- ELVA (Emergency Low-Visibility Approach)
- ELVIS (Electronic Library Voice Information Service)
- ELW (Ellamar Seaplane Base (FAA: 1Z9))
- ELX (El Tigre Airport)
- ELY (Ely Airport)
- ELZ (Wellsville Municipal Airport (Tarantine Field))
- EM (electromagnetic)
- em. (emigrated)