W2K Australia
WAirG Inc.
WAlphaDream
WAmusement Vision
WAtomic Planet Entertainment
WBattleGoat Studios
WBeenox
WBig Huge Games
WBudcat Creations
WCavia (company)
WCinemaware
WCryptic Studios
WDenki
WDestination Games
WDouble Fine
WEugen Systems
WEvoga
WFrogwares
WFrontwing
WG-Mode
WGamelab
WGravity (Korean company)
WGuerrilla Games
WHandyGames
WHB Studios
WHeadstrong Games
WHelixe
WHirameki
WHitcents
WHooksoft
WKOG Studios
WNDcube
WNinja Theory
WPapaya Studio
WPiranha Games
WPopCap Games
WPsyonix
WRake In Grass
WSega AM1
WSega AM3
WSkip Ltd.
WSmilebit
WSobee
WSulake
WSuzak Inc.
WVicious Cycle Software
WWeMade Entertainment
WXbox Game Studios
WXPEC Entertainment