Punk bands: Rise Against, Sum 41, Green Day, MEST, Blink 182, The Clash, New Found Glory, Bad Religion, Unwritten Law, Sugarcult, Bowling For Soup, Anti-Flag, The Misfits, Aiden, The Ramones, My Chemical Romance.
Metal bands: Korn, Adema, Disturbed, System of a Down, Tool, Stone Sour, Avenged Sevenfold, Bullet For My Vallentine, Limp Bizkit, Linkin Park, Drowning Pool.
Alternative/ Progressive Rock: A Perfect Circle, Angels & Airwaves, Biffy Clyro, Jimmy Eat World, Muse.
Piano Rock: Jack's Mannequin, Something Corporate.
Symphonic Rock: Evanescence, Amy Lee.
Pop Rock: Morning Wood.
Electronic/Dance/Rock/Punk/Goth etc: Mind Self Indulgence, William Control.
I know I am missing plenty so I may edit some more in later.