Bumble and bumble:  http://bumbleandbumble.com/

Edward Wadsworth for Hair:  http://www.edwardwadsworth.com/

Paul Mitchell:  http://www.paulmitchell.com/Pages/Home.aspx

Toni & Guy:  http://www.toniguy.com/

Vidal Sassoon:  http://www.sassoon.com/