| Mayhem/Zyklon-B | - Split w/Zyklon-B | 1999 | Vinyl |
| Megiddo/Countess | - The Hammer/Orgasmotron | 2003 | Vinyl |
| Macabre Omen/Order Of The Ebon Hand | - Two Years Standing Proud In Valhalla | 2006 | Vinyl |
| M.O.D. | M.O.D. - Gross Misconduct | 1989 | Tape |
| M.O.D. | M.O.D. - U.S.A for M.O.D. | 1987 | Tape |
| Macabre | Macabre - Drill Bit Lobotomy | 2003 | Vinyl |
| Macabre | Macabre - Gloom | | Vinyl |
| Macabre | Macabre - Gloom | | Vinyl |
| Macabre | Macabre - Grim Reality | | Vinyl |
| Macabre | Macabre - Grim Reality | | Vinyl |
| Macabre | Macabre - Nightstalker | 1993 | Vinyl |
| Macabre | Macabre - Sinister Slaughter | | Vinyl |
| Macabre | Macabre - Unabomber | | Vinyl |
| Macabre | Macabre - Unabomber (Picture disc) | | Vinyl |
| Macabre End | Macabre End - Consumed by Darkness | | Vinyl |
| Macabre Omen | Macabre Omen - Before Darkness... | 1995 | Tape |
| Macabre Omen | Macabre Omen - shirt | 2007 | Shirt |
| Macabre Omen | Macabre Omen - The Ancient Returns | 2005 | Vinyl |
| Macabre Omen | Macabre Omen - The Ancient Returns | 2008 | Tape |
| Macabre Omen | Macabre Omen - Three Years Standing Proud In Valhalla | 2007 | Vinyl |
| Macabre Omen / Ad Inferos | Macabre Omen / Ad Inferos - We Won With War / Bloodlust | | Vinyl |
| Mace | Mace - Process of Elimination | 1985 | Vinyl |
| Machetazo | Machetazo - Live at CBGB | 2011 | Vinyl |
| Machetazo | Machetazo - Desolación Mental | 2011 | Vinyl |
| Machetazo | Machetazo - Horror Grind | 2004 | Vinyl |
| Machetazo | Machetazo - Mundo Cripta | 2008 | Vinyl |
| Machetazo | Machetazo - Necrocovered | 2010 | Vinyl |
| Machetazo | Machetazo - The Maggot Sessions | 2003 | Vinyl |
| Machetazo/Abscess | Machetazo/Abscess - split EP | 2001 | Vinyl |
| Machetazo/Bodies Lay Broken | Machetazo/Bodies Lay Broken - split | 2001 | Vinyl |
| Machetazo/Cianide | Machetazo/Cianide - Split | 2005 | Vinyl |
| Machetazo/Corrupted | Machetazo/Corrupted - split (2nd press) | 2000 | Vinyl |
| Machetazo/General Surgery | Machetazo/General Surgery - split EP | 2004 | Vinyl |
| Machetazo/Marrow | Machetazo/Marrow - Split | 2011 | Vinyl |
| Machetazo/Ribspreader | Machetazo/Ribspreader - no title/Dead as Fuck | 2007 | Vinyl |
| Machetazo/Rise Above | Machetazo/Rise Above - split | 2000 | Vinyl |
| Machetazo/Winters In Osaka | Machetazo/Winters In Osaka - Split | 2009 | Vinyl |
| Magnesium | Magnesium - Time tells no lies/Over The Rainbow | 2006 | Vinyl |
| Magnus | Magnus - Scarlet Slaughterer | 2007 | Vinyl |
| Magog | Magog - Artglauben | | Vinyl |
| Magog | Magog - Des Kriegers Zorn Demo | 1999 | Tape |
| Magog | Magog - Magog | | Vinyl |
| Magog | Magog - Weisheit und Ahnenkult | | Vinyl |
| Magog / Frostkrieg | Magog / Frostkrieg - Wolfsauge/Blutgerüst | 2002 | Vinyl |
| Magrudergrind/Sylvester Staline | Magrudergrind/Sylvester Staline - Split | 2006 | Vinyl |
| Magus | Magus - Ruminations of Debauchery | | Vinyl |
| Maim | Maim - From the Womb to the Tomb | 2010 | Vinyl |
| Mainstream Resistance | Mainstream Resistance - #4 | 2001 | Zine |
| Make a Change... Kill Yourself | Make a Change... Kill Yourself - II | 2007 | Vinyl |
| Make a Change... Kill Yourself | Make a Change... Kill Yourself - Make A Change ... Kill Yourself | | Shirt |
