DSI

DSI is an initialism for the following companies:

• Dave Smith Instruments, an American synthesizer company
• Delphi Schools, Inc.
• Delphine Software International, a now bankrupt software company
• Destination Software, Inc., a video game company
• Distinctive Software, Inc., a former Canadian software house
• Diversified Specialty Institute Holdings, Inc., a US-based healthcare group
• DYWIDAG Systems International, an international supplier of ground anchors and post-tensioning systems
• State Hydraulic Works (Turkey) (Turkish: Devlet Su İşleri (DSİ)), a state agency in Turkey

DSI also represents the following institutions:

• Data Storage Institute, a Singaporean national research institute
• Delta Sigma Iota, a college fraternity from Pennsylvania State University
• Department of Special Investigation, a Thai government organization for special investigation
• Deutsche Schule Istanbul, a private high school in Istanbul
• Dienst Speciale Interventies, a Dutch government organization for counter-terrorism actions

DSI can also mean:

• Data storage interrupt, the name used for a segmentation fault on PowerPC-based processors
• Data Stream Interface, computer network protocol to run Apple Filing Protocol over TCP
• Dead Space Ignition, a video game midquel to the Dead Space series
• Death or serious injury
• Delay slot instruction, a term from computer architecture
• Depolarization-induced suppression of inhibition, a type of modulation of inhibitory neurotransmission
• Detective Superintendent, a kind of British police's superintendent rank
• Deutsches SOFIA Institut, an institute helping develop SOFIA
• Diffused Surface Illumination, a multi-touch technique using a special acrylic Endlighten that disperses even light supplied by edge lighting the acrylic.
• Diffusion Spectrum Imaging, a brain scanning method used in MRI Tractography to identify crossing fibers in neural tissue
• Digital Signal Interface, a protocol for controlling of lighting in buildings
• Disparity Space Image, a data structure used in computer stereo vision
• Display Serial Interface, a serial protocol for mobile display devices
• Diverterless supersonic inlet, a type of jet engine air intake
• Docking Score Index, a drug testing method
• DontStayIn, a social networking website
• Dope Stars Inc., an industrial metal band formed in 2002
• Nintendo DSi, Nintendo's third iteration of the Nintendo DS handheld video-game console