OESS

AcronymDefinition
OESSOrdnance and Explosives Safety Specialist (US DoD)
OESSOffice of Emergency Shelter and Services (Philadelphia, PA)
OESSOntario Educational Software Services
OESSOffice of E-Health Standards & Services (US Centers for Medicare and Medicaid Services)
OESSOttawa East Schooling Shows (Ottawa, Canada)
OESSOpto-Electronic Sensor System
OESSOffice Equipment Support Section
OESSOperating Environment Segment Specification