Da-Lite Screen (www.da-lite.com)
HT Products: Electric Screens, Tripod & Wall Screens, Rear Projection Screens

Daniels Audio (www.danielsaudio.com)
HT Products: CD Players, Speakers, Cables, and Pre-Amps

Davidson-Whitehall / stor-a-disc (www.storadisc.com)
HT Products: Media Storage

DCM Speakers (www.dcmspeakers.com)
HT Products: Speakers and Subwoofers

Decware (www.decware.com)
HT Products: Cables, Tube Amps, Accoustic Treatments and Speakers

Definitive Techology, LLP (www.definitivetech.com)
HT Products: Speakers and Subwoofers

Denon (www.denon.com)
HT Products: Receivers, DVD Players, CD Players, Amplifiers, Cassette Decks, MiniDisc Recorders, Turntables, CD Recorders, and Integrated Amps

Densen (www.densen.dk)
HT Products: CD Players, Remotes, Pre-Amps, Power Amplifier

Duntech (www.duntech.com.au/)
HT Products: Speakers

DWIN (www.dwin.com)
HT Products: Video Projectors, Line Multipliers, Line Doublers, and Video Signal Processors

Dynaudio (www.dynaudiousa.com)
HT Products: Speakers and Subwoofers