Big Krit
Sadistik
Cage
Eyedea
CunninLynguists
Kno
DZK
Diabolic
Deltron 3030
Jedi Mind Tricks & Army Of The Pharaohs
Apathy
Logic
Charles Hamilton
Classified
I'm not quite sure if Brotha Lynch Hung and Prozak are underground, I think they are unless I'm wrong.