| Dave Gregor |
1990 - 1998 ; 2012 - |
9MM SOLUTION, MS2 |
| Eric House |
2013 - |
JUNGLE ROT |
| Scott Willecke |
2016 - |
PROFANE |
| Tim Beyer |
2019 - |
PROFANE, DECIVILIZE, DUSK, CANDY MACHINE GUNS |
| John Hill |
2019 - |
OV SOMBRE FLESH, THE PARISH, FOREVER SLEEP, SPEEDSTAB, ETERNAL SILENCE, MURMURn ONUS, ZEN BAR FIGHT |
| A.J. Lewandowski |
2015 - 2019 |
EMBLAZONED, FESTERFUCK, DSM, ZARATHUSTRA, DECRESCENT, ENFOLD DARKNESS |
| Craig Nienas |
2013 - 2016 |
BRAY ROAD, MIDIAN |
| Jason Hellman |
1990 - 1998 ; 2012 - 2015 |
MASTER FURY, CARNAL BEFOULMENT, DR. SHRINKER, 9MM SOLUTION, MS2 |
| Jef Jaeger |
1990 - 1991 ; 2012 - 2013 |
HEDDA, VIOGRESSION, DIMENSION X, TEMPUS |
| Kevin Zeitler |
1990 - 1990 ; 2012 - 2013 |
INFESTATION, DESCENDING DARKNESS, SLURR, THE LOST IDOLS |
| Jason O'Connell |
1990 - 1997 |
|
| Kent Truckenbrod |
1991 - |
AFTERSHOCK, SINISTER |
| Reed McCallister |
- |
TWO TON ANVIL, ARMY OF SOULS, MINDSET ZERO, Reed McCallister |
| Takis Kinis |
- |
REALM, WHITE FEAR CHAIN, K.O.R., DECAPITADO, FALLOUT, PROPHET |
| Jason Zeitler |
- |
|
| Jesse Rofritz |
1990 - 1990 |
HARUSPEX |
