Google I/O 2012 is set to kick off, and the company is expected to make some worthwhile announcements. Critics and fans alike are awaiting more information on Google's first self-branded Nexus tablet, which was just confirmed ahead of the event. Details on the next Android operating system upgrade, known as Jelly Bean, is likely to roll our as well. With time ticking away until the keynote begins, here's a finalized list of all the attendees that are confirmed for Google's annual developers conference.

The following companies will be presenting Android-related apps and services at Google I/O 2012:

AndEngine

Application Resource Optimizer (ARO)

ARM

Cloud.tv

Code Factory S.L.

Crittercism

Ekata Systems, Inc.

Electronic Arts

Epic Games

Expedia.com

Funf: Open Mobile Sensing

GREE/Funzio

Hipmunk

HyperDevbox

Immersion

iNiS

Intel Corporation

JetBrains

Kinetic Bytes

Komodo Open Lab & the Inclusive Design Research Centre

MobileButs GMBG

National Braille Press

NVDIA

Onavo

Pebble

Pinterest, Inc.

Pocket

Pulse

Revision3

SQUARE ENIX CO. LTD.

TED

Testroid

Texas Instruments

TinyCO

TourWrist

Unity Technologies

YoYo Games

Zipline Games