OMCA


AcronymDefinition
OMCAOpen Manage Client Administrator
OMCAOntario Motor Coach Association
OMCAOntario Mathematics Coordinators Association (Canada)
OMCAOmron Management Center of America, Inc. (Schaumburg, IL)
OMCAOxford Monographs on Classical Archaeology (publication; Oxford University Press; UK)
OMCAOffice for Multicultural Affairs (Germany)
OMCAOregon Medical Cannabis Award (Portland, OR)