Skinny Puppy and all the related stuff. Almost anything oldschool industrial (not the new crap like new FLA and Static X).
Cevin Key !! Legendary Pink Dots,
Tangerine Dream's old experimental stuff (Rubycon and Phaedra era), Depeche Mode, older Ministry, Einsturzende Neubouten, lots of oldschool punk and oldschool industrial music...Too many to name..