El E3 2019 estará marcado por la notable ausencia de Sony PlayStation, dejando todo el protagonismo a Nintendo y Microsoft. La organización del evento que se celebrará en Los Ángeles, del 11 al 13 de junio, ha desvelado el listado de compañías que estarán presentes en el evento:
- 2K
- 505 Games
- 5-hour ENERGY
- Activision Publishing
- AimControllers
- AKRacing
- Alienware
- Arcade 1 Up
- ArenaNet
- Astro Gaming
- Bandai Namco Entertainment America
- Bethesda
- BigBen
- Black Shark Technology
- Brasil Game Show
- Capcom USA
- CI Games
- Click Entertainment LTD
- Core Gaming by Mobile Edge
- Cyberpunk 2077
- Daedalic Entertainment
- Deep Silver
- DIGIFAST
- Double Fine Productions
- Epic Games Inc
- EWIN Racing
- EXOR Studios
- FluidStance
- Friend Times
- Frontier Developments
- Funcom
- G Fuel
- Game Informer
- Gamekit
- GAMELOFT
- GameStop
- Gaming Outfitters
- Gentle Giant Studios
- Giant Games
- Good Shepherd Entertainment
- GT Throne
- Guangdong Entertainment & Game Industry Association
- Guillemot Corporation
- HAYMAKER
- Hori
- Hyperkin
- IGN
- Improbable
- Intellivision Entertainment
- Kalypso Media Group
- Karnox
- Konami Digital Entertainment
- KontrolFreek
- LF Gaming
- Logitech
- Mayflash Limited
- Mecca Electronics/Alliance Entertainment
- Meta Threads
- Microsoft Corporation
- Modus Games
- MomoCon Gaming Convention
- MyArcade/bionic
- Natsume
- nDreams
- Next Level Racing
- Nintendo of America
- NVIDIA Corporation
- Paradox Interactive
- Pathea Games
- Performance Designed Products
- PowerA
- Private Division
- ProxiMat.net
- Psyonix
- Rainbow Horse
- RDS Industries
- Rebellion
- Red Hydrogen
- Satisfye Gaming
- SCRY INFO
- Seasun
- SEGA
- Sensorium Corporation
- Shenzhen GULI TECH Co
- Shenzhen Sales Digital Technology Co
- Sold Out
- Square Enix
- TECHLAND
- Technisport
- TEGWAY
- Tencent America
- Tessen Enterprise
- THQ Nordic
- Todak
- Tripwire Interactive
- Turtle Beach
- Twitch
- U&I Entertainment
- Ubisoft Entertainment SA
- UCC Distributing Inc
- UnnamedVR by Paracosma
- Virtuos Holdings
- Volante Design Inc
- VoltEdge LLC
- VPX SPORTS
- Warner Bros. Interactive Entertainment
- X Rocker Gaming Chairs & Accessories
- XSEED Games
- Xsolla
- YouTube Gaming
