GLASSJAW und THEBRONX spielen nund ebenfalls auf dem GROEZROCK 2010. Hier das aktuelle Line-Up:

Sum 41, AFI, Bad Religion, Pennywise, Saves the Day, Zebrahead, Hatebreed, Lit, The Bouncing Souls, Alesana, Sunny Day Real Estate, Haste the Day, Glassjaw, Parkway Drive, Strike Anywhere, Face to Face, Agnostic Front, A Skylit Drive, The Bronx, Mustard Plug, Dance Gavin Dance, H2O, A Wilhelm Scream, The Real McKenzies, Despised Icon, In Fear and Faith, Winds of Plague, MC Lars, 88 Fingers Louie, The Aggrolites, Oh, Sleeper, Stick to Your Guns, This Is Hell, Good Clean Fun, Born From Pain, The Warriors, Fake Problems, The Swellers, The Friday Night Boys, Rise and Fall, Asking Alexandria, Defeater, Banner Pilot, 50 Lions, Mute, Mariachi El Bronx, Young Guns, Pour Habit, Static Radio NJ und Steak Number Eight.

3 Bands werden noch verkündet.