In no particular order:
Evanescence
Delain
Within Temptation
Nightwish
My Chemical Romance
The Killers
Paramore
Halestorm
Panic! At the Disco
30 Seconds To Mars
(Do Green Day count? If so then them!)
Another of my favourites is The Hoosiers, but they're not that well known. and a jokey one has to be McBusted because they're basically my childhood XD