GREF

AcronymDefinition
GREFGps Reference
GREFGlobal Real Estate & Facilities (Exxon)
GREFGeneral Reserve Engineering Force (India)
GREFGaming Regulators European Forum
GREFGraduate Research Environmental Fellowship
GREFGlycopeptide-Resistant Enterococcus Faecium (bacteria)
GREFGrass Ridge Equestrian Foundation (Sonoita, AZ)
GREFGroupe des Retraités Éducateurs sans Frontières
GREFGIP (Groupement d'Intérêt Public) Relation Emploi-Formation (French: Public Interest Group Relations Job Training)