| Jeff Waters |
1985 - |
|
| Aaron Homma |
2015 - |
VITAL REMAINS, IMMERSED, KILLITOROUS, TODAY I CAUGHT THE PLAGUE |
| Rich Hinks |
2015 - |
AEON ZEN, TIMEFALL |
| Fabio Alessandrini |
2016 - |
NITEHAWKS, VESCERA |
| Mike Harshaw |
2013 - 2016 |
MASTERY, NEXUS, PHILOSOFEAR, PROFANER |
| Cam Dixon |
1994 - 1995 ; 2015 - 2015 |
MAGNETIC, METALIST |
| Dave Padden |
2003 - 2014 |
SILENT STRAIN, TERROR SYNDROME, THIRD ION |
| Alberto Campuzano |
2010 - 2014 |
WARMACHINE |
| Carlos Cantatore |
2010 - 2011 |
H-GEORGE, OVERMASTER, SKYLARK, IVORY, AMETHISTA |
| Dave Sheldon |
2008 - 2010 |
EXES FOR EYES |
| Ryan Ahoff |
2008 - 2010 |
|
| Alex Landenburg |
2007 - 2008 |
AT VANCE, AXXIS, MEKONG DELTA, BROKEN GRACE |
| Brian "Daemon" Stephenson |
2007 -2008 |
SANCTIRY, AGGRESSOR |
| Mike Mangini |
1992 - 1993 ; 2003 - 2004 ; 2007 - 2007 |
DREAM THEATER, EXTREME, Steve Vai, STYGIA, TRIBE OF JUDAH, John Petrucci |
| Russell Bergquist |
2000 - 2004 ; 2006 - 2007 |
DUSKMACHINE |
| Rob Falzano |
2004 - |
RAMALLAH, BLOOD FOR BLOOD, SINNERS AND SAINTS, SHATTER MESSIAH, LEGACY UPRISING, FIRES OF BABYLON |
| Sandor de Bretan |
2004 - 2006 |
IVORY KNIGHT |
| Curran Murphy |
2001 - |
SHATTER MESSIAH, LEGACY UPRISING |
| Randy Black |
1993 - 1996 ; 2001 - 2003 |
PRIMAL FEAR, DESTRUCTION, SKEW SISKIN, DUSKMACHINE, REBELLION |
| Joe Comeau |
2000 - 2003 |
OVERKILL, TAD MOROSE, DUSKMACHINE, LIEGE LORD, RAMROD |
| Ray Hartmann |
1987 - 2001 |
STRESS FACTOR 9, SPEEED, ASSAULT |
| Dave Scott Davis |
1988 - 1990 ; 1993 - 2001 |
MEAT WAGON |
Randy Rampage ( 2018) |
1989 - 1990 ; 1998 - 2000 |
D.O.A., STRESS FACTOR 9, Randy Rampage |
| Lou Bujdoso |
1995 - 1995 |
MEAT WAGON |
| Wayne Darley |
1989 - 1994 |
|
| Neil Goldberg |
1992 - 1993 |
|
| Aaron Randall |
1992 - 1993 |
SPEEED |
| Coburn Pharr |
1990 - 1992 |
OMEN |
| Anthony Greehman |
1988 - 1990 |
|
| Dennis Dubeau |
1986 - 1989 |
|
| John Bates |
1985 - 1986 |
BATES MOTEL |
| Dave Scott ( ) |
1985 - 1986 |
|
| Paul Malek |
1985 - 1986 |
IVORY KNIGHT |
| Richard Death |
1985 - 1985 |
|
