English abbreviations from ecs to ecw
- ECS (Environmental Control Subsystem)
- ECS2 (Executive Control and Subordinate System)
- ECSA (Expedition to Circumnavigate South America)
- ECSC (European Coal and Steel Community (distant ancestor of the EU))
- ECSE (Early Childhood Special Education)
- ECSF (European Clinical Specialization in Fluency Disorders)
- ECS-G (Engagement Control Station - Ground)
- ECSM (Episcopal Community Services of Maryland)
- ECSRK (Electrical Connector Supplemental Repair Kit)
- ECSU (Essential CONUS Support Unit)
- ECT (ElectroConvulsive Therapy)
- ECTA (East Coast Trail Association (Newfoundland and Labrador, Canada))
- ECTFE (Ethylene Chloro-Tetra-Fluoro-Ethylene)
- ECtHR (European Court of Human Rights)
- ECTRIMS (European Committee for Treatment and Research in Multiple Sclerosis)
- ECTS (Electronic Combat Training System)
- ECTUA (European Council for Telecommunications Users Association)
- ECU (Environmental control unit)
- ECUA (East Coast Umpires Association)
- ECUST (East China University of Science and Technology)
- ECV (Enhanced Capacity Vehicle)
- ECVAM (European Centre for the Validation of Alternative Methods)
- ECW (Eastern Championship Wrestling)