| 3 Steps Ahead · producer, live † |  Distortion · DJ, producer | Mad Dog · DJ, producer, live | Ruffneck · DJ, producer, live |
| Adaro · DJ, live | E-Force · DJ, producer, live | Maxtreme | s'Aphira · DJ, producer |
| Addiction | Endymion · DJ, producer, live | Meagashira · DJ, producer | Skullz · DJ, producer |
| The Agressiveator | Evil Activities · DJ, producer, live | Mindfuck | The Stunned Guys · DJ, producer, live |
| Alpha² · DJ, producer, live | G-Town Madness · DJ, live | The Musicians | Thymen |
| Amnesys · DJ, producer | Gizmo · DJ, producer | N-ergetic | Tieum · DJ, producer, live |
| Angerfist · DJ, producer, live | Gunz for Hire · DJ, live | Negative A · DJ, producer | Titan · DJ, producer |
| Art of Fighters · DJ, live | Hardcorepower Crew | Neophyte · DJ, producer, live | Tommyknocker · DJ, producer |
| Brothers of Hardcore | Hardmaniacs | No-Tolerance | Trance Generators · DJ, producer, live |
| D-Lyric · MC | Headbanger · DJ, producer, live | Noize Suppressor · DJ, producer, live | Tuneboy · DJ, live |
| Daniele Mondello · DJ, producer | HJ | Nosferatu · DJ, producer, live | Unexist · DJ, producer, live |
| Dark Resistance | Hubbel | Outblast · DJ, producer, live | Vendettah · DJ, producer |
Darkness · MC (Marcel Nieuwpoort)  | Industrial Inc. | Panic · DJ, producer | Vince · DJ, producer |
| Dr. Darkness (Lars Boer) | J.D.A. · DJ, producer, live | Partyraiser · DJ, producer, live | The Viper · DJ, producer, live |
| DavidCentral | Jimmy The Sound · DJ, producer | Paul Elstak · DJ, producer, live | Waxweazle · DJ, producer |
| Davide Sonar · DJ, producer, live | Lenny Dee · DJ, producer | Tha Playah · DJ, producer, live | Xenix · MC — |
| DaY-már · DJ, producer | Lose Connection | The Prophet · DJ, producer, live | |
| Digital Boy · DJ, live | M-Core · MC | Ran-D · DJ, producer, live | |
| Dione · DJ, producer, live | M-Shane · MC | Roddick | |
Hardclassics 2012 
