English abbreviations from eqao to era
- EQAO (Education Quality and Accountability Office)
- EQAS (External Quality Assurance Service)
- EQG (Equatorial Guinea (FIFA trigram, but not IOC or ISO 3166))
- EQL (Eastern Quake League)
- EQM (Equilibrium)
- EQN (Equation)
- EQR (Electric Quarterly Report)
- EQS (Esquel Airport)
- EQUIPC/I (EQUIPment Control and Integration)
- EQUIPRTC (EQUIPment Real-Time Control)
- ER (Emergency room)
- ER(D) (Extended Reach (Drilling))
- ER/ED (Emergency room/emergency department)
- ER0S (Eliminate Range Zero Situation (spelled with either letter 'O' or digit Zero))
- ERA (explosive reactive armour)