Electronic Control Unit 
European Currency Unit 
Experiment Control Unit 
Environmental Control Unit 
Engine Control Unit 
Electronics Control Unit 
Electrical Conversion Unit 
Environmental Control Units 
electrical control unit 
Electronic Control Units 
Electronic Coupling Unit 
East Carolina University 
ECUADOR 
Edith Cowan University 
Electronic Conversion Unit 
End Cryptographic Unit 
Environmental Crimes Unit 
Eternal Care Unit 
European Currency Units 
East Central University 
Ecuavia 
EISA Configuration Utility 
Electric Control Unit 
Electrical Control Units 
Electricity Control Unit 
Electronic Countermeasures Unit 
emergency care unit 
Emission Control Unit 
Emitter Classification Unit 
Energy Conservation and Utilization