There are a lot of companies and organizations at the show. I have ( hand selected from the show exhibitor list ) a list of the ones that we may find of interest in this thread.
This is my opinion only. I have grouped things in somewhat related groups. Feel free to make your own lists.
Apple
Arturia
Ashun Sound Machines
Behringer ( Music Tribe )
Deftaudio
Entropy & Sons
Eternal Research
Focusrite
Groove Synthesis
ILIO ( Spectrasonics )
inMusic
InstaChord
Korg
Melbourne Instruments
Native Instruments
Nord
Polyend
Roland
ROLI
Studiologic
Stylophone
Synido
Toraiz Chordcat
Waldorf
Yamaha
Earthquaker
Mad Professor Amplification
Poly Affects
Summer School Electronics
Walrus Audio
Audioscape Engineering
Eventide
SSI ( Sound Semiconductor )
Casio
Hammond Suzuki
Kawai
Mellotron
Metronome
Viscount
AlphaTheta Pioneer DJ
AzoTeq
Harman ( AKG, JBL, Lexicon )
Presonus
MIDI Association
EDIT
Added Harman.
Added Arturia.
Added Korg.
Added Apple.
Added ILIO.