I thought that this might be of interest / use to a few hence posting it.
DemoGod allows you to search over 750 dance music record labels for details on how and where to submit demos. DemoGod puts the email contacts, SoundCloud dropbox details and postal addresses for hundreds of A&Rs at your fingertips. Search for a label and submit your demo in minutes. DemoGod covers labels releasing House, Electro, Techno, Drum ‘n’ Bass, Dubstep, Breaks, Chillout and Trance.