From DJWiki

Trade Magazines

+ Mobile Beat Magazine [[1]] 
+ DJ Times Magazine [[2]]
+ Disc Jockey News [[3]]

Trade Shows

+ Mobile Beat Las Vegas [[4]] 
+ DJ Times Atlantic City [[5]]
+ DJ Cruise [[6]]

Books and Other Educational Materials

+ ProDJ Publishing (many different items) [[7]]

Other Trade Websites

+ DJZone/DJChat [[8]] - The DJ Zone network of sites (Including DJChat) includes many resources similar to ProDJ.Com's offerings and has a similar community.
+ Disc Jockey America [[9]] - Mark Ferrell's mission to improve mobile disc jockeys
+ DJ Source Online [[10]] - Another similar resource for DJs with chat boards and more.
+ DJ Idea Sharing [[11]] - Free podcast for the DJ industry
+ Games Masters' Games and Marketing Email List [[12]]
+ Mobile DJ Forums [[13]] - A UK equivilant to the resources provided by some of the above sites.  
+ OurDJTalk [[14]], DiscJockeyOnline [[15]] - Younger communities but have their own crowds