EFSS

AcronymDefinition
EFSSEnterprise File Sync & Share (software)
EFSSExpeditionary Fire Support System (USMC)
EFSSExpeditionary Force Support Squadron (US DoD)
EFSSE. F. Schumacher Society (economic development; Great Barrington, MA)
EFSSEurope Fermetures Sécurité Systèmes (France)
EFSSÉconomie et Finance Sociales et Solidaires (French: Economy and Finance and Social Solidarity)
EFSSEnglish Folk Song Society (now English Folk Dance and Song Society; est. 1898)
EFSSElectronic Filing and Service System (district court; Georgia)
EFSSElizabeth Fry Society of Saskatchewan (Canada)
EFSSExperimental Flight Systems Section (NASA)