Posted in Business & Finance, Government & Military, Information Technology, Organizations, Science DSIS stands for Double Stimulus Impairment Scale DSIS stands for Distributed Support Information Standard DSIS stands for Development Support Information Service (UNDP) DSIS stands for Deep Seabed Intervention System DSIS stands for Direct Seller Information System DSIS stands for Directorate of Scientific Information Service (Canada) DSIS stands for Danish Security and Intelligence Service DSIS stands for DMO Standard Inquiry System DSIS stands for DSCS SCF Interface System DSIS