- X-Cite
- X-Cited
- X-Clan
- X-Clan Millenium Cipher
- X-Clusive
- X-Clusives
- X Coast
- X-Code
- X-Code
- X-Communication
- X Complex
- X-Con
- X-Connection
- X-Cops
- X Cor
- X Core
- X-Crash
- X-Cretas
- X-Cross
- X-Cult
- X-Cursion Vs. Elektrosmog
- X-Cusiver
- X-Darawish
- X Darawish
- X-Dee
- X-Defektors
- X Dinero
- X-District
- X-Divide
- X-Dream
- X-Dream
- X Dream
- X Drive
- X-Dub
- X-Ecutioners
- X-elle
- X-Engine-X
- X-Es
- X-Exutioners
- X Faction
- X-Factor
- X-Factor
- X Factor 7
- X Factor Finalists 2008
- X Factor Finalists 2010
- X Factor Finalists 2011
- X-Factors
- X-Factory
- X Fade
- X Fader
- X-Fam
- X-Fears
- X Files
- X-Files Of House
- X-Flo
- X-Fly
- X-Form
- X-Frame
- X-Funk
- X-Fusion
- X-Fusion