• Casey McMackin
• Engineer

• Dave Mustaine
• Producer

• Amir Derakh
• Producer

• Cradle of Filth
• Performer

• Drew Mazurek
• Producer, Engineer, Mixing

• Brian Slagel
• Producer

• Eddy Garcia
• Producer

• John Lappen
• Executive Compilation Producer

• Gary Meskil
• Producer

• Ross Robinson
• Producer

• Tom Klimchuck
• Producer

• Andy Sneap
• Mixing

• Pissing Razors
• Producer

• Soulfly
• Performer

• Spineshank
• Performer

• Kittie
• Performer

• Dog Fashion Disco
• Performer

• Sixty Watt Shaman
• Producer

• John Buttino
• Art Direction

• Larry Packer
• Producer

• Deicide
• Producer

• Jay Baumgardner
• Producer

• Scott Burns
• Engineer, Mixing

• Dave Fortman
• Producer, Mixing

• GGGarth
• Producer

• Doug Hall
• Producer, Engineer

• Joe Lambert
• Mastering

• Cannibal Corpse
• Performer