Three Days Grace, Breaking Benjamin, Godsmack, Disturbed used one on the sickness, Tool, System of a Down, Falling up, Decyfer Down, Ektomorf, Stonesour, Creed, Alterbridge, Metallica, Dream Theater, Pillar, Avril Lavigne, Killswitch Engage, Unearth, and a few others I can't think of right now...