I don't know about Blonde Redhead for 'heavy indie rock' :\
They're gorgeous and definitely worth a listen, but they're not that.
Hm...maybe some 'Atombombpocketknife'?
They're just a little heavier but they still have that hint of indie.
And maybe 'Fin Fang Foom'?
Here's a useful site for you jambo.
www.epitonic.com