2003

Chimaira
Motograter

Memento

Hotwire

Twisted Method

Killswitch Engage

Shadows Fall

Unloco

Endo

Sworn Enemy

Grade 8

E Town Concrete

Voivod

Cradle of Filth

Chevelle

Disturbed

Marilyn Manson

Korn

Ozzy Osbourne

The bands that were not at  the show i went to are listed below. some were no scheduled for that show and  a few bands left OZZFEST early due to various reasons

The Datsuns
Nothingface
Depswa
Revolution Smile