- Dell Wyse P20
- Dell Wyse R10L
- Dell Wyse R50L
- Dell Wyse R90L7
- Dell Wyse R90LW
- Dell Wyse S10
- Dell Wyse S30
- Dell Wyse T10
- Dell Wyse T50
- Dell Wyse V10LE
- Dell Wyse V30LE
- Dell Wyse V90LEW
- Dell Wyse X00m
- Dell Wyse X50M
- Dell Wyse X90c7
- Dell Wyse X90c7
- Dell Wyse X90cw
- Dell Wyse X90m7
- Dell Wyse X90mw
- Dell Wyse Xenith
- Dell Wyse Xenith 2
- Dell Wyse Xenith Pro
- Dell Wyse Z00D
- Dell Wyse Z50D
- Dell Wyse Z50S
- Dell Wyse Z90D7
- Dell Wyse Z90DE7
- Dell Wyse Z90DW
- Dell Wyse Z90sw
- Dell XPS 10 Tablet
- Dell XPS 12 Ultrabook
- Dell XPS 15
- Dell XPS 8500
- Dell XPS One 27
- DellOptiplex 790
- DELMIA
- Deloitte
- Delphax Technologies Inc
- Delphi
- Delphix
- Delrina
- Delta Data Software Inc
- Delta Electronics
- Deltathree, Inc
- Deltek, Inc.
- Demand Solutions Group
- DemandBridge
- DemandTec
- Demandware
- Demibooks, Inc.
- Democrasoft
- Demonware
- Denali Software
- Denaq
- Dendy Classic
- Dendy Classic
- Dendy Classic II
- Dendy Junior
- Dendy Junior II
- Dendy Junior IVP
- Deneb Robotics
- Deneba Software
- Denim Group, Ltd.
- Denise Richards
- Dennie van Tassel
- Dennis Crowley
- Dennis Gabor
- Dennis Hughes
- Dennis M. Jennings
- Dennis MacAlistair Ritchie
- Dennis Miller
- Dennis Ritchie
- Denodo
- Densan Co Ltd
- Deque Systems, Inc.
- Derek Gehl
- Derive (computer algebra system)
- Derrick (Dick) Henry Lehmer
- Descartes Systems Group
- Design Science
- DesignAxiom Ltd
- designDATA
- Designertech
- Desire2Learn
- DeskJet
- DeskJet 320
- DeskJet 500
- DeskJet 500C
- DeskJet 520
- DeskJet 550C
- DeskJet 560C
- DeskJet Portable
- DeskScapes
- DeskStation Technology
- Desktop Generation Systems
- Desktop Inspiron 1110
- Desktop Inspiron 518/519
- Desktop Inspiron 530
- Desktop Inspiron 530s