OBLITERATION U.K.

Obscured within LP

OBLIVEON Canada

From this day forward CD

OBLIVION Italy

Oblivion LP

ODDMONGERS France

Qualms CD

OF RYTES Germany

Without... LP

OMEN Hungary

Anarchia CD

Brutalis tango CD

Jelek CD

OMEN USA

Battle cry CD

Nightmares CD

The curse CD

OMNITRON Sweden

Masterpeace CD

ONSLAUGHT U.K.

In search of sanity CD

Let there be rock EP CD

Power from hell CD

Shellshock EP CD

The force CD

ORACLE USA

As darkness reigns CD

ORDAINED FATE USA

Ordained fate CD

ORGANIZATION USA

Savor the flavor CD

The Organization CD

ORGON Spain

Nuestros suenos son vuestras pesadillas LP

OSIRIS Netherlands

Futurity and human depressions CD

OUTCAST Switzerland

Seasons in black CD

OUTRAGE Japan

Black clouds CD

Blind to reality CD

The days of rage 1986-1991 CD

The final day CD

The great blue CD

OVER KILL USA

Feel the fire CD

Horrorscope CD

Taking over CD

Under the influence CD

Years of decay CD

OVERDOSE Brazil

Seculo XX cdr

Conscience

You're realy big cdr

Addicted to reality

Progress of decadence CD

Circus of death CD

OVERDOSE Italy

Last power LP

OVERLOAD Sweden

Difference of Opinion CD

OVERLOAD France

The first one... CD

OVERLOAD China

Overload CD

OVERTHROW Canada

Within suffering CD