Die Entertainment Software Association, kurz ESA, hat nun eine vorläufige Teilnehmerliste der Publisher veröffentlicht, die an der E3 2009 in Los Angeles teilnehmen (02.06.09 - 04.06.09).

- Activision Blizzard, Inc.
- Atari, Inc.
- Atlus U.S.A., Inc.
- Bethesda Softworks LLC
- Capcom Entertainment, Inc.
- Disney Interactive Studios, Inc.
- Eidos Interactive
- Electronic Arts, Inc.
- Epic Games, Inc.
- 505 Games
- IndieCade
- KOEI Corporation
- Konami Digital Entertainment, Inc.
- LucasArts Entertainment Company LLC
- Majesco Entertainment Company
- Microsoft Corporation
- Midway Games Inc.
- MTV Games
- Namco Bandai Games America Inc.
- Nintendo of America, Inc.
- Rebellion
- Sega of America, Inc.
- Serious Games
- Sony Computer Entertainment America Inc.
- Sony Online Entertainment LLC
- Square Enix, Inc.
- Take-Two Interactive Software, Inc.
- THQ Inc.
- Ubisoft Entertainment
- Warner Bros. Interactive Entertainment Inc.