OMSL

AcronymDefinition
OMSLOffice of Mine Safety and Licensing (Kentucky)
OMSLOil Management Services Ltd. (Bermuda)
OMSLOptimum Manufacturing Solutions Ltd. (British Columbia, Canada)
OMSLOffice of Medical Service Learning (Indiana University)
OMSLOttawa Mixed Softball League (Ottawa, Ontario, Canada)
OMSLOld Mutual Securities Limited (UK)