ECM
- ECM Real Estate Investments
- ECM Records
- East Camberwell railway station
- Ectomycorrhiza
- Edinburgh City Mission
- Editio Critica Maior
- Electrochemical machining
- Electron cloud model
- Electronic contract manufacturing
- Electronic countermeasure
- Electronically commutated motor
- Electronics contract manufacturing
- Elektrani na Severna Makedonija
- Elliptic curve method
- Energy conservation measure
- Engine control module
- Engineered Cellular Magmatics
- Engineering change management
- Enterprise content management
- Episcopal Conference of Malawi
- Equity capital markets
- Equivalent circuit model for Li-ion cells
- Error correction mode
- Error correction model
- Erythema chronicum migrans
- European Championships Management
- European Common Market
- European Congress of Mathematics
- Every Child Matters
- Every Child Ministries
- Exceptional case-marking
- Extracellular matrix