Neseniai sklido kalbos, kad mažėja parodos dalyvių gretos. Jos buvo teisingos – šiais metais parodoje nedalyvaus Activision-Blizzard, ID Software, Vivendi, NCSoft. Kitavertus, kol kas E3 parodoje dalyvauja išties dar nemažai įdomesnių dalyvių:[li]1UP Network[/li][li]Akella[/li][li]Atari Inc.[/li][li]Bethesda Softworks[/li][li]Capcom USA Inc.[/li][li]Crave Entertainment[/li][li]Codemasters[/li][li]D3Publisher of America[/li][li]Deep Silver[/li][li]Disney Interactive Studios, Inc.[/li][li]Electronic Arts[/li][li]Eidos Interactive[/li][li]Fox Interactive Media[/li][li]Indie Games[/li][li]Jagex, Ltd.[/li][li]Konami Digital Entertainment America[/li][li]LucasArts[/li][li]Majesco Entertainment Company[/li][li]Microsoft Corporation[/li][li]Midway Games, Inc.[/li][li]MTV Games[/li][li]Namco Bandai Games America, Inc.[/li][li]Natsume, Inc.[/li][li]Nintendo of America Inc.[/li][li]Novint Technologies, Inc.[/li][li]Nyko Technologies[/li][li]Rebellion[/li][li]SEGA of America, Inc.[/li][li]Serious Games Initiative[/li][li]Sony Computer Entertainment America, Inc.[/li][li]Sony Online Entertainment Inc.[/li][li]Southpeak Interactive[/li][li]Square Enix USA[/li][li]Take-Two Interactive[/li][li]Tecmo[/li][li]THQ Inc.[/li][li]Toshiba America Information Systems[/li][li]Ubisoft Entertainment Inc.[/li][li]Valve Software[/li][li]Warner Brothers Interactive Entertainment Inc.[/li]