- Xscape
- Xsense
- Xsept One
- X.S.F.
- XshadoX
- Xshar
- XSI
- Xsintrix
- XSO Drive
- Xsonic
- XSPB6
- Xspective Sense
- Xspo
- XSS
- Xstacia
- Xstasy E
- Xstrophy
- Xstros
- Xstyle
- XSupermodels
- xSwingerhead
- Xsytement Gang
- Xsytment
- Xsytment Gang
- XT Force
- XTa-C
- Xtacee
- Xtaci
- Xtasis
- Xtasy
- Xtasy
- Xtatik
- Xtatika
- XTBL
- XTBL
- XTC
- XTC Group
- XTD
- Xteraco
- Xteria
- Xterminator
- Xterminators
- Xternals
- Xtian Goblyn
- Xtiano
- Xtine
- X.T.L.L.R
- XTM
- XTM & DJ Chucky presents Annia
- Xtocy
- Xtorsion
- Xtra and The Lab Sound System
- Xtra Large
- Xtra Riffet
- Xtra Strength
- Xtraball
- Xtracts of Slang