ProDJ.com
News, message boards, reviews, tutorials, shopping, and website hosting for professional DJs. Advice, sound files, and DJ search for party and wedding planners.
http://www.prodj.com/

DJCentral.com
Streaming audio, events, chat, and news, as well as a directory of DJs, agents, clubs, and labels.
http://www.djcentral.com/

FamousDJs.com
Profiles of well-known DJs.
http://www.famousdjs.com/

FromDJ.com
DJ sites and e-mail, upcoming events, and mixes.
http://fromdj.com/

Internet DJ
News, charts, events, DJ database, MP3 archive, and forum.
http://www.internetdj.com/

Disc Jockey Resources Online
A place to find resources for the DJ and the DJ-client.
http://www.discjockeyonline.com/

About.com: DJs and Producers
Interviews and annotated links.
http://dancemusic.about.com/cs/djsproducers/index.htm

United DJs
Includes news, reviews, charts, competitions, events, and seminars.
http://www.djsunited.com.au/

Tronic Music
DJ profiles, charts, and sound files in RealAudio and mpeg formats.
http://www.tronicmusic.com/

Computer DJ Summit
An annual meeting of industry participants and suppliers.
http://www.computerdjsummit.com

The Rhythm Institute
Offering instruction ranging from equipment usage to advanced techniques, as well as offering DJ's for hire and studio rental. Includes staff profiles, prices, testimonials, and contact details. [Requires Flash]
http://www.tridj.com/

Expressway Music NYC
Providing DJ, live music and Karaoke in New York City. Offers song search, music news and list of previous client and venues.
http://www.expresswaymusic.com

Tune Tyme
Provides karaoke and mobile DJ service specializing in weddings. Includes pricing and contact information. [Minneapolis, Minnesota]
http://www.tunetyme.com