Zoroaster, Pallbearer and Yob come to mind. Also, not necessarily loud, but Esoteric were so goddamn heavy that they actually caused a minor amount of physical pain in my bowels.
9/4 Cult of Luna
9/11-13 Riot Fest
9/19 Uncle Acid & the Deadbeats
9/25 Cattle Decapitation
9/26 D.R.I. and/or Alcest