A ESA publicou a primeira lista de companhias que estarão presentes na E3 2016. Mas até Junho mais companhias confirmarão a sua presença no evento, portanto esta lista não é definitiva.
- 505 Games
- Activision Publishing, Inc.
- Alienware
- ASTRO Gaming
- ATLUS
- BANDAI NAMCO Games America Inc.
- Behaviour Interactive
- Bethesda
- Bigben Interactive
- BlackJack Studio
- Capcom U.S.A., Inc.
- CD PROJEKT RED
- Crytek GmbH
- Cubicle Ninjas
- Deckbound
- Deep Silver, Inc.
- DGL Toys
- dreamGEAR, LLC
- Electronics Arts
- Epic Games Inc.
- EZ GAMES & EZ CARDS DISTRIBUTION INC
- Focus Home Interactive
- FOKUS BILGISAYAR San Tlc LTD STI
- Gaijin Entertainment
- Gameforge
- GAMELOFT
- GameSpot
- Goodgame Studios
- Grey Box
- GungHo Online Entertainment Inc.
- HORI USA Inc.
- Hyperkin, Inc.
- IGN
- Immerex
- InComm
- Innex, Inc.
- InnoGames
- KOEI TECMO Games
- Konami Digital Entertainment, Inc.
- Maximum Games
- MAYFLASH LIMITED
- Mecca Electronics
- Microsoft Corporation
- Natsume Inc.
- Nexon America, Inc.
- Nintendo of America Inc.
- NVIDIA Corporation
- Nyko Technologies
- Oculus
- Performance Designed Products
- Phononic
- Plantronics
- Prima Games
- Razer
- RDS Industries Inc.
- RIZING GAMES
- ROCCAT
- SEGA Europe
- Sony Computer Entertainment America LLC
- Sony Computer Entertainment Europe Limited
- Square Enix, Inc.
- SteelSeries
- Take-Two Interactive Software, Inc.
- Telltale Games
- Tencent America LLC
- Tobii
- Twitch
- Ubisoft Entertainment
- UCC DISTRIBUTING INC
- Virtuix Inc.
- Virtuos
- Voyetra Turtle Beach, Inc.
- Warner Bros. Interactive Entertainment
- XPEC Entertainment Inc.
- XSEED Games
