Alle Firmen (x)

X Moon Productions

x-bow Software

X-Legend

X1 Software

Xatrix Entertainment

Xaviant

XBLA (Microsoft)

Xbow software

Xbox Entertainment Studios

XDev Studios Europe

XDimension Software

Xenopi Studios

XFX Central Europe

XGIMI

Xider

Xilam

Xiotex Studios

XLGAMES

XPEC Entertainment

Xpiral

Xplosiv

XS Games

XSEED

XSEED Games

XTZ

Xybris Interactive GmbH

XYLA Entertainment

XYZ Team