Acoustica Beyma, Spain
Adamson, Canada
A.E.B. / Eighteen Sound, Italy
AKG Acoustics, Austria
American Ally, China
Apple Computer, USA
ATC, UK
Audiovox, USA
Audyon, Italy
AuraSound, USA
Bang & Olufsen, Denmark
B&C Speakers, Italy
Blaupunkt, Germany
Bose Automotive GmbH, Germany
Brush Wellmann, USA
B&W Loudspeakers Ltd., UK
Dainty, China
DIY Mobile Audio, USA
Canton, Germany
Canon Research Centre, France
Cartotecnica Zanatta, Italy
Celestion, UK
Cerwin-Vega, USA
CIARE Speakers, Italy
DIY Mobile Audio, USA
Compupal, China
Elder Audio Manufacture, China
Elettromedia, Italy
Eminence Speaker, USA
Faital, Italy
Fachhochschule Deggendorf, Germany
Fachhochschule Oldenburg, Germany
FBT Electtronica, Italy
Feng Chia University, Taiwan
Fink Audio Consulting, Germany
Focal JMlab, France
Fondazione G. Cini, Italy
Fujitsu Ten Corporation of America, USA
Genelec, Finland
GGEC, China
Gibson Musical Instuments, USA
Harman/Becker Automotive, USA
Harman/Becker Automotive Systems, Germany
Harman/Becker Automotive Systems, UK
Harman Consumer International, France
Harman International, USA
Harman (Suzhou), China
Institut für Rundfunktechnik, Germany
I.S.T. Electronics Factory, China
ICE Power (Bang & Olufsen) - Denmark
Jamo A/S, Denmark
Jinrun, China
JL Audio, USA
Joachim Gerhard Design, Germany
Jusang College, Korea
Kimber Kable, USA
Klein + Hummel, Germany
Klipsch, USA
L Acoustics, France
Lautsprecher Teufel, Germany
Logitech-Audio, USA
Magnat, Germany
Matsushita / Panasonic, USA
Merry, Taiwan
Meyer Sound Laboratories, USA
Mitek, USA
Monetech, China
Monitor Audio, UK
Musical and Architectural Acoustics Laboratory, Italy
National Chiao-Tung University, Taiwan
Nedlab, USA
Nexo, France
NXP, Austria
P. Audio, Thailand
Panasonic / ACOM, USA
Panasonic / Lueneburg, Germany
PSS, Belgium
PSS, China
Plantronics, USA
Polk Audio, USA
Qiaoyang, China
RCF, Italy
Reaxt, China
Recoton / NHT, USA
Rockford Acoustic Design, USA
Samsung Blue-Tek, Korea
Samsung Electro-Mechanics, Korea
SEAS Fabrikker, Norway
Selenium, Brazil
Sound Sources, Taiwan
Sun Technique Electric, China
SICA Altoparlanti, Italy
SIPE, Italy
Solidex, China
Sonavox, China
Soundking, China
Taison, China
Technical University of Denmark
Telex / Electro-Voice, USA
Tonwel Co. Ltd, China
Triangle Industries, France
Tymphany, Denmark
Ultimate, China
Visteon, USA
Welcohm Technology, France
Zenmay, China