D-Link
Daewoo (from Daytek)
Data Expert
Datacard (now Datacard Group)
    Datacard (now Datacard Group) - Printer drivers
    Datacard (now Datacard Group) - Software upgrades
Datalux
Datamax
Datasouth (AMT Datasouth)
Datatronics Modems
Davicom
    Davicom - Driver
    Davicom - Data Sheet
    Davicom - Application Circuit
    Davicom - User Manual
    Datacard - Layout Guide
Dawicontrol
Dayna Communications (bought by Intel)
Daytek (includes Daewoo)
Dazzle (now Pinnacle Systems)
DEC - Digital Equipment Corp (now Hewlett-Packard)
DELL
Deltron Technology (RealVision)
DESkey
DFI
Diaquest
Digi Connectware
    Digi Connectware - Drivers
    Digi Connectware - Firmware
Digidesign
Digital Audio Labs
Digital Research Technologies
Disctec
DLink
Dolch (now part of Kotron America, Inc.)
Domex
Dr Neuhaus (now part of Sagem)
Draytek
DTK
    DTK - BIOS updates
    DTK - Motherboard drivers
    DTK - Laptops
    DTK - Utilities
    DTK - Manuals
Duxbury
Dymo
Dynalink
Dynamode