Bands I've seen, off the top of my head;
Sabaton, Megadeth, Machine Head, Goatwhore, Arch Enemy, Soulfly, Iron Maiden, Slayer, Soilwork, At the Gates, Dark Tranquillity, Mason, Harlott, Testament, Overkill, Destruction, Kreator, Hollow world, Hadal Maw, Hybrid Nightmares, Kold Creature, Upon the Pyre, The Black Dahlia Murder, Amon Amarth, Metallica, Valhalore, Chronolyth, The Haunted, Troldhaugen, Trollfest, Darklore, Rob Zombie, Children of Bodom, Dragonforce, Truth Corroded, Fenrir, Taberah, Flaming Wrekage, Decryptus, Aversions Crown, Thy Art is Murder, Revocation, King Parrot, Psycroptic, Hope Drone, Hidden Intent, Deraign, Asylum, Wartooth, Caetera, Malakyte, Darker Half, Annihilist, Desecrator, Alkira, In Death, Vader, Perturbator, Iron Reagan, Death Angel, Frankenbok, 4arm, Toxic Holocaust, Nuclear Assault, Lich King, Devildriver, Warbringer, In Flames, Firewind, Zeolite, Alien Weaponry, Eternal Torment, Awful Noise, Organectomy, Before the Harvest, Ame Noire, Amicable Treason, Orpheus Omega, Voivod, Whoretopsy, Somnium Nox, Alarum, Obscura, Beyond Creation, Caligulas Horse, Rivers of Nihil, Korpiklaani, Blackhelm