I like these bands:
-Metal: Morbid Angel, Edge Of Sanity, Possessed, Manilla Road.
-Punk: Discharge, Dead Kennedy's, Amebix, Misfits.
-Hardcore: Black Flag, Minor Threat, Rorschach.
-Electronica: Autechre.
-Industrial: Throbbing Gristle, Godflesh (very Metal though), Apartment...