IFETSIntramolecular Fluorescence Energy Transfer Substrate (biochemistry) Academic & Science
IFETSInstitut Français de l'environnement et des Traitements de Surfaces (French institute for Environment and Treatment of Surface Areas) Miscellaneous
IFEXInternational Forum of Export & Marketing Executives in the Elevator Industry (International Association of Elevator Engineers; UK) Academic & Science
IFEXInnovation Finance and Equity Exchange Business
IFEXInstitute for Faculty Excellence (Metropolitan Community College; Omaha, NE) Miscellaneous