- Arcite (Metalcore-United-Kingdom)
- Aptera (Progressive Death-USA)
- Aither (Symphonic Metal-Italy)
- Arctic Winter (Heavy Metal-Germany)
- Axminister (Thrash Metal-Canada)
- Appitne (Thrash Death-Ireland)
- Acidity (Thrash Metal-Italy)
- Aucifer (Visual Kei-Japan)
- Acteron (Folk black-Panamá)
- Acid Tiger (Stoner-USA)
