- Xtrema
- Xpluswear
- X-Sense
- XCEL Solutions
- XTEND
- XCVI
- XTRATUF
- XP-Pen GB
- xSuit
- Xbox UK GB
- X-Mirage
- Xero GB
- Xencelabs
- xtraWine
- Xhunter
- Xero AU
- XTERRA Fitness
- Xcel Wetsuits
- XTRONS
- Xtreme Xperience
- XtremeINN
- Xero US
- Xero Shoes
- XLN
- Xersizer
- X50 Lifestyle
- Xoom
- Xplora
- Xyzbeads.com
- Xodo
- XOTIC PC
- XTool IE
- Xilisoft
- XSTANCE
- Xtend Life
- Xerox
- Xpand Laces
- XSplit
- Xplor
- xBloom
- X-VPN
- Xreart
- Xhibition
- Xandro Lab
- XYON
- XTERRA Wetsuits
- X1
- XL Feet
- XY London
- XTech Tactical
- Xlash
- XplosiveApe
- Xwerks
- xo, Fetti
- XbotGo
- Xtreme Lashes
- X Rocker US
- X Rocker GB
- Xeela Fitness
- Xbrain
- XANDER KOSTROMA
- X-RAY CE
- Xscape Evenings