World Wide Pro Audio Directory
Pro Audio Directory with Links and audio discussion board
www.audiodirectory.nl/

Audio World
Internet's biggest directory of audio and music related web sites.
www.go2audio.com/

Audiophile 2000
HiFi and music guide including equipment and music reviews, and related links.

Audio Relation
Strategic agency for audio branding and corporate sound. Network of audioconsultants, composers and sounddesigners.
www.audiorelation.com