What does EPSI stand for?

Device Independent Encapsulated PostScript (SAUS)

Earnings per Share Issued - Finance

Encapsulated PostScript Interchange - Computer science (VERA)

Encapsulated Postscript Interchange Format (SAUS)

Energy and Process Systems Inc. (SAUO)

Enterprise Performance Systems Inc. (FLAA)

Erikson Psychosocial Stage Inventory - Psychology