all good recommendations probably most suitable for the artists you provided, but im going to recommend you something a little different, hard electronica but in a different way to Justice etc.
All Hardcore/Hardstyle which im the master of basically. i listened to it for a looooong time
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Ferry Corsten
Brisk & Ham
Showtek
Re-Con
Bass Generator
Al Storm
Dougal & Gammer
Joey Riot
Squad-E
Whizzkid is a good artist/MC.
Marc Smith
Scott Brown
Hypasonic
A bit of Gabber.
Evil Activities
Korsakoff
Neophyte