GMSS

AcronymDefinition
GMSSGlobal Mobile Satellite System (telecommunications)
GMSSGeneva Middle School South (Geneva, IL)
GMSSGem and Mineral Society of Syracuse (Syracuse, NY)
GMSSGeylang Methodist Secondary School (Singapore)
GMSSGeostationary Mobile Satellite Standard (telecommunications)
GMSSGlobal Marketing Support Services (University of Arkansas; Fayetteville, AR)
GMSSGwent Music Support Service
GMSSGeriatric Mental Status Schedule (elder care)