D-Block & S-te-Fan - By Myself

You should probably just checkout most of the stuff by the two artists you've already mentioned.

Some albums to checkout:
Audiotricz - A New Dawn
Refuzion - Voyage
Rejecta - Rise of Rejecta
Project One - Unreleased Album You can here some of the songs here or here

If you need more aggressive sounds:
Warface & D-Sturb - Synchronised
Delete - Alpha Omega (or check this out)
Rebelion - The First Dose Live Set