Entity Coordinate System
Entrance Criteria Screener
Entropy-Coded Segment
Entry Control Subsystem
Entry control system
Environmental Charter School
environmental cigarette smoke
Environmental compliance support
Environmental Conservation Service
Environmental Council of the States
Environmentally Controlled System
EOF Core System
epidermal cells
Epidermoid cysts
Episcopal Church of Sudan
Episcopal Collegiate School
Epithelial cells
epithelioid cells
equine Cushing's syndrome
Equipment Contract Specification
Equipment Control System
Error Correction Switch
Estill County Schools
estrous cow serum
Etched Circuits Society
Ethics committees
Etowah County Schools
Eufaula City Schools
Euro-Collins solution
European Car-Sharing
European Ceramic Society
European Committee for Standardization
European Communication Satellites
European Cooperation System
Evangel Christian School
Evangelical Christian School
Evaporation Control System
Evaporative Control System
Evaporative Emission Control System
Event Communication Service