Event Correlation Service
Event Correlation Services
Event Criterion Subfield
Evergreen Charter School
Evolution Control System
Exchange Carriers
Exchange Companies
Exchange Conferencing Server
Exchange Conferencing Services
Executive Aircraft Charter and Charter Services
EXECUTIVE CONTROL SYSTEM
Exercise Control System
Exit Clearance System
Expanded Control Store
Expense Commitment System
Experiment Containers
Experiment Control System
Experimental Communication Satellite
Export Control Specialist
Extended Calling Service
Extended Care Services
Extensible Clearing System
External Calibration Source
External Control System
Extra Capsular Spread
extracellular space
extracellular spaces
IATA code for Mondell Field, Newcastle, Wyoming, United States
Early Childcare Supplement
Early Childhood School
Education Code Section
Education, Community and Society
Education, Culture & Society
Educational Career Services
Effective Cross Section
Electro Chemical Society
Electro-Chemical Sensor
Electronic Course Scheduling
Embedded Communications Systems
Employment Career Services