- Ancst (Atmospheric Black-Germany)
- Arcite (Metalcore-United-Kingdom)
- Alcest (Atmospheric Metal-France)
- Adacta (Crust-Slovakia)
- Active (Hard Rock-USA)
- Abject (Deathcore-France)
- Acutor (Thrash Metal-Colombia)
- Aspect (Progressive Metal-Croatia)
- Accept (Heavy Metal-Germany)
- Arctur (Black Metal-Ukraine)