- Coatl (Gothic Death-USA)
- Corral (Thrash Metal-Ireland)
- Cobalt (Black Death-USA)
- Cova (Death Metal-Brazil)
- Caul (Dark Ambient-USA)
- Colp (Metalcore-Czechia)
- Coalest (Nu Metal-Germany)
- Crotalo (Progressive Metal-Italy)
- Coil (Dark Ambient-United-Kingdom)
- Cobalto (Thrash Metal-Brazil)