208 EMS definitions

Emergency Medical Services 
Element Management System 
Environmental Management System 
Environmental Management Systems 
Expanded Memory Specification 
Ethernet Multipoint Service 
European Monetary System 
Electronics Manufacturing Services 
emergency medical system 
Engineering Master Schedule 
Enhanced Messaging Service 
Emergency Medical Service 
Electronic Manufacturing Services 
Electronic Message System 
Energy Management Systems 
engine management system 
Entry Monitor System 
Environmental Mutagen Society 
Earthquake monitoring system 
electron momentum spectroscopy 
Electronic Mail System 
Electronic Manufacturing Service 
Electronic Meeting System 
Electronic Messaging Service 
emergency management system 
Emergency Medical Support 
Enforcement Management Subsystem 
Enforcement Management System 
Engine Monitoring System 
Engineering Modeling System