- X- Press 2
- X-1999
- X-5
- X-action
- X-Acto
- X-Avenne
- X-Barão
- X-Boy's
- X-Caliber
- X-change
- X-Clan
- X-Con
- X-Cops
- X-Crew
- X-Cross
- X-dream
- X-Drive
- x-DuL
- X-Empire
- X-five
- X-forgiveble
- X-Fusion
- X-Hatred
- X-Kameron
- X-large
- X-mas Project
- X-Melody
- X-men
- X-models
- X-Motivo
- X-Noize
- X-On
- X-one
- X-Patriate
- X-Perience
- X-Piral
- X-play
- X-Plod Bass
- X-Ponjas
- X-Positivo
- X-press
- X-Press2
- X-project
- X-Puh
- X-Punch
- X-Quem?
- X-Quisite
- X-raided
- X-Ratão
- X-Rated
- X-ray
- X-Ray (Banda Japonesa)
- X-Ray Dog
- X-ray Spex
- X-RX
- X-Session
- X-Sinner
- X-Static
- X-Teléfono
- X-TENSE
- X-Time
- X-TrA
- X-tra Soul
- X-Treme
- X-tyle
- X-Wife
- X-Wild
- X-Willy_NR5
- X-Y
- X-zero
- X-Zibit
- X-zone