| The Flying Scarecrow | Rock/Metal | Bizkaia | |
| The Great Wound | Melodic Black/Death Metal | Gipuzkoa | |
| The Hammer Killers | Hard Rock | Bizkaia | |
| The Name | Metal | Bizkaia | |
| The Rodeo Idiot Engine | Metal/Hardcore | Lapurdi | |
| The Wizards | Hard Rock | Bizkaia | |
| Tight Leash | Gothic Metal | Bizkaia | |
| Titan | Heavy/Speed Metal | Lapurdi | |
| Tofelthal | Metal | Nafarroa |
|
| Toifelthal | Heavy/Hard Rock | Nafarroa | |
| TOMB | Brutal Death Metal | Bizkaia | |
| Torheit | Death/Groove Metal | Nafarroa Beherea | |
| Tracción | Rock/Metal | Nafarroa | |
| Unbound | Heavy Metal | Araba | |
| Unset | Rock/Metal | Bizkaia | |
| Urbangrind | Death/Grindcore | Bizkaia | |
| Vakumm | Groove Metal | Nafarroa | |
| Valkyria | Heavy Metal | Bizkaia | |
| Vhäldemar | Heavy/Power Metal | Bizkaia | |
| Vice Presidentes | Sludge Metal | Araba | |
| Virulency | Brutal Death Metal | Bizkaia | |
| Voltium | Thrash Metal | Bizkaia | |
| Wake Up Neo | Groove Metal | Bizkaia | |
| Wojtyla | Heavy Metal | Nafarroa | |
| Xtasy | Hard Rock | Nafarroa | |
| Ztah | Groove Metal | Lapurdi | |
| Zurkor | Metal | Bizkaia |
