Posted in Business & Finance, Government & Military, Information Technology, Schools & Education, Science DPSI stands for Diversified Protection Systems, Inc. (Anaheim, CA) DPSI stands for Diploma in Public Service Interpreting DPSI stands for Data-Partitioned Secondary Index (IBM) DPSI stands for Dash Point Software, Inc. (Seattle, WA) DPSI stands for Dots Per Square Inch DPSI stands for Dutch Periodontal Screening Index (dentistry) DPSI stands for Document de Politique et des Stratégies Industrielles (French: Document Policy and Industrial Strategies)