- Altars (AUS) (Death Metal-Australia)
- Altars Ablaze (Death Black-Czechia)
- Altars Of Annihilation (Thrash Metal-Argentina) - Other name : AOA
- AOD (Thrash Metal-Finland) - Other name : Altars Of Destruction
- Altars Of Grief (Funeral Doom-Canada) - Other name : AOG
- Altars Of Madness (Progressive Heavy-Mexico)
- Altars Of Rebellion (Melodic Black-Colombia)
- Altars Of Sin (Thrash Black-Australia)
- Altars (USA-1) (Black Metal-USA)
- Altars (USA-2) (Hardcore-USA) - Other name : ex-Monuments