- 1 Us3
- 2 Underworld
- 3 UnitedEra
- 4 Udo
- 5 United Strings of Europe
- 6 Uusi Fantasia
- 7 Uncle SLow
- 8 Urban Flow
- 9 UGK
- 10 unknown mortal orchestra
- 11 Underoath
- 12 Ulv
- 13 Urbanize
- 14 Und3rsound
- 15 United Nations
- 16 Until I Wake
- 17 Unknown Brain
- 18 U2
- 19 UFO
- 20 Untamed
- 21 Unity Pacific
- 22 Ummon
- 23 Utmarken
- 24 Utah Saints
- 25 unwritten law
- 26 Ultra Orange
- 27 Union Station
- 28 unity
- 29 Ukebox