- Misery Machine (Death Doom-USA)
- Main Machine (Power Metal-Germany)
- MX Machine (Thrash Metal-USA)
- Mad Machine (Thrash Metal-Japan)
- Migraine (Crossover-Spain)
- Maschine (Progressive Metal-United-Kingdom)
- MicroWave (Nu Metal-Serbia)
- Mean Machine (Speed Heavy-Spain)
- Machinage (Thrash Metal-Brazil)
- Mid Deracine (Visual Kei-Japan)