Gamescom is a major gaming expo for many publishers and developers, showing off their titles/products to EU markets. It is in many respects, a second E3 for some, as it tends to house new announcements that get people excited.

The following publishers/developers are announced to be attending this event. Like last year, Sony is not showing up but Nintendo and Microsoft will be attending the event.
Source: NeoGaf

• 505 GAMES
• Activision Blizzard Deutschland GmbH
• BANDAI NAMCO Entertainment Germany GmbH
• Bethesda Softworks Zenimax Germany GmbH
• CCP hf
• CD PROJEKT S.A.
• Deep Silver a division of Koch Media GmbH
• Don’t Nod Entertainment
• Electronic Arts GmbH
• Blizzard Entertainment SAS
• Focus Home Interactive
• Frontier Development PLC
• GIANTS SOFTWARE ENTERTAINMENT GMBH
• HTC Vive
• Kalypso Media Group GmbH
• Konami Digital Entertainment B.V.
• Microsoft Corporation
• Milestone Srl
• Nintendo of Europe GmbH
• NORDIC GAMES GmbH
• NVIDIA GmbH
• Oculus VR, Inc.
• Perfect World Europe B.V.
• Rebellion
• Splash Damage
• Square Enix GmbH
• Take-Two Interactive GmbH
• Techland Sp z o.o.
• UBISOFT GmbH
• Wargaming Europe S.A.S
• Warner Bros. Entertainment Inc