Posted in Government & Military, Information Technology, Organizations DSGI stands for Daiwa Securities Group, Inc. (Japan) DSGI stands for Diversified Systems Group, Inc. (Issaquah, WA) DSGI stands for Direction des Services Généraux et de l’Immobilier (French: Directorate of General Services and Real Estate) DSGI stands for DATA Step Graphics Interface DSGI stands for Division of State Group Insurance (Florida Department of Management Services)