PLSO

AcronymDefinition
PLSOProfessional Land Surveyors of Oregon
PLSOPartial Lump Sum Option (retirement plan)
PLSOProfessional Land Surveyors of Ohio (Dublin, OH)
PLSOParker Library Steward Observatory (University of Arizona)
PLSOPost Launch Support Office (European Space Agency)
PLSOPublic Land Survey Office (Washington State Department of Natural Resources)
PLSOPhonetic Letter Spell Out