Sepultura, Evile, Mutant, Cannabis Corpse, Seregon, Obituary, Mastodon, HOD, Meshuggah, Heretic, Cynic, Napalm Death, Carcass, Bolt Thrower, Atheist (well its possible it seems!), Masachist, Vader, The Ocean, D.A.M (theyve reformed), SSS, Megadeth, Arnocorps, Gama Bomb.
Id say Municipal Waste.... well yes them, but they are blatently better in clubs.