Maybe you'll be interested in some of the finer bands of Death Metal?
Entombed - Clandestine
Sentenced - When Death Join Us and Shadows of the Past
Death - Any Album
Bolt Thrower - Any Album, but some of it has weaker vocals than others.
Asphyx - Last One On Earth
Nocturnus - The Key and Thresholds
Obituary - Slowly We Rot and Cause of Death
Cannabis Corpse - Tube of The Resinated and The Weeding EP
Morgoth - All of their demos including their first album Cursed
Pestilence - Both Demos and Malleus Malificarum and Consuming Impulse
Autopsy - Severed Survival and Mental Funeral
Dismember - I think all of their albums have a few cool songs.
Grave - Into The Grave and You'll Never See...
Carnage - Dark Recollections
Unleashed - Where No Life Dwells, Shadows in the Deep, and Across the Open Sea
Benediction - Subconscious Terror, The Grand Leveller, and Transcend the Rubicon
Gomorrah - Reflections of Inanimate Matter
and more, but I've grown tired of typing.