Here's a short list of artists: Gazette, Nightmare, 12012, Dir en grey, X JAPAN, LUNA SEA, L'Arc, Pierrot, Penicillin, tons of GLAY, Laputa, Sleep My Dear, Phobia, Charcoal Filter, Rouage, Die in Cries, Shazna, Phantasmagoria, BOOWY, Himuro, Hotei, RC Succession, Jun Ohtaki, Kuroyume, Field of View, B'z, Sally, etc. etc. etc.
Link to the post on my LJ is HERE. Thanks!