As spotted by members on NeoGAF, the list of participating companies at E3 2017 was uploaded over the weekend, revealing that Sony Interactive Entertainment, Bethesda, Ubisoft, Microsoft, Nintendo, Bandai Namco, Activision, Capcom, Konami, Square Enix, Take-Two, SEGA, and many more will be at this year’s event.
You can see the list of participating companies below (more will likely be added in the future):

505 Games
Activision Publishing, Inc.
Aksys Games
Alienware
Arozzi North America, Inc.
Astro Gaming
Atlus/SEGA
A4Tech
Bandai Namco Entertainment America Inc.
Bethesda
Bigben Interactive
Bionik
BKOM Studios
Capcom U.S.A., Inc.
CBS Interactive
China Press & Publication Pavilion
Click Entertainment Ltd.
Cloud Hub
Daedalic Entertainment GmbH
DC Games Group
Dell
DGL Group
DreamGear DXRacer USA LLC
Epic Games Inc.
Focus Home Interactive
GameLoft
Genertec – China Pavilion
Grey Box
Hori
Hyperkin, Inc.
IGN
InComm
InnoGames
Kalypso Media
Konami Digital Entertainment, Inc.
Lifeform
Logitech G
Magic: The Gathering
Maximum Games
Mayflash Limited
Mecca Electronics
Microsoft Corporation
My Arcade
Naughty America
nDreams
Nexon America, Inc.
Nintendo of America Inc.
NVIDIA Corporation
Nyko Technologies
PDP
Penguin Random House – Prima
Perfect World Entertainment
Pico Technology Co., Ltd.
Plantronics
R.D.S. Industries Inc.
Rebellion
Rizing Games
Roccat, Inc.
SEGA Europe
Shacknews
Sony Interactive Entertainment America LLC
Splash Damage
Square Enix, Inc.
Take-Two I...