Zefiro Acoustics  
   Digital audio I/O card for the IBM PC, allowing a user to move pro audio from any digital source.
   http://www.zefiro.com/

Hoontech  
   Digital audio cards and equipment for IBM compatible PCs.
   http://www.hoontech.com/english/

Muse Research, Inc.  
   Develops Receptor, a sound and effects module that runs standard VST instruments and effects. Overview, features and FAQ.
   http://www.museresearch.com/

01xRay.com  
   Dedicated to Yamaha 01x digital mixer and controller. Technical specifications, support area and discussion forum.
   http://www.01xray.com/

M-Audio  
   Manufacturers of MIDI and audio devices for the PC or Mac. Product catalog, company information, news and support center.
   http://www.m-audio.com/

V2M - Vocal to MIDI Converter  
   It converts human melody vocalizations to MIDI instrument music output in real time. Description, audio samples, contact information.
   http://geocities.com/vocal2midi/

CM Labs  
   Manufacturer of control surfaces for sequencers, such as MotorMix and MotorMate. Products description, company profile, distribution and dealers information.
   http://www.cmlabs.net/

Sonic Blade  
   Manufacturer of Digital Audio Workstations for live and studio music performances. Products catalog, support area and purchasing information.
   http://www.sonicblade.com/

Cowon Systems, Inc  
   Korean company specializing in digital audio, video and voice hardware and software, and wireless internet business.
   http://www.cowon.com/

Universal Audio: UAD-1  
   Overview, technical specifications, reviews, support area about this DSP card running its dedicated effect plug ins.
   http://www.uaudio.com/products/digital/index.html

Plugzilla  
   Created by Manifold Labs, it is a rack mount audio processor which runs VST plugins. Documentation, support area and discussion forum.
   http://www.plugzilla.com/