- Union (PL) (Black Metal-Poland) - Other name : ex-Christ Agony
- Christ Agony (Black Metal-Poland) - Other name : ex-Union
- Union (CAN) (Hard Rock-Canada)
- Union (USA) (Hard Rock-USA)
- Union Mac (Heavy Rock-Sweden)
- Union Of Sleep (Doom Metal-Germany)
- Union Of The Fallen (Deathcore-USA) - Other name : UOTF
- Union Youth (Grunge-Germany)