Absolute Audio Gear Links:
 
Blue Microphones http://www.bluemic.com/
Radial Engineering http://www.radialeng.com/
Presonus http://www.presonus.com/products/Detail.aspx?Productid=10
John Hardy Company http://www.johnhardyco.com/index.html
Brent Averill Enterprises http://www.brentaverill.com/
Empirical Labs http://www.empiricallabs.com/
DBX Professional Products http://www.dbxpro.com/
Drawmer http://www.drawmer.com/index.htm
AKG Acoustics http://www.akg.com/
Shure Microphones http://www.shure.com/
NHT Prohttp://www.nhthifi.com/current/proaudio.html
Sennheiser http://www.sennheiserusa.com/

Recording and Mastering Studio Links:
 
Chicago Recording Company http://www.chicagorecording.com/
Soundmine Studios http://www.soundminestudios.net/
The Alley Recording Company http://www.thealleyrecordingco.com/index.html
Gravity http://www.gravitystudios.com
Rax Trax Recording http://raxtrax.com/
Glenwood Place Studios http://www.glenwoodstudios.com/
Electrical Audio http://www.electrical.com/
United Technique Recording http://www.unitedtechnique.com
Blue Heaven Studios http://blueheavenstudios.com/
Colossal Mastering http://www.colossalmastering.com/
Euphonicmasters http://www.euphonicmasters.com/
Mastermind Productions http://www.mastermindproductions.net/
Smart Studios http://www.smartgeeks.com/
Thetarhythm (J.Hall) http://www.thetarhythm.com/
Salvomixinc (Paul Salveson) http://www.salvomix.com/

Audio Related Links:
 
Gearslutz http://gearslutz.com
Prosoundweb http://prosoundweb.com/
TapeOp http://TapeOp.com/
All Music http://Allmusic.com/
Microphone Data http://www.microphone-data.com/default.asp
Mojopie http://www.mojopie.com/
Universal Audio http://www.uaudio.com/index.html
Vintage King http://www.vintageking.com/site/files/index.htm
Pro Audio Solutions Nashville (John Castellanos) http://www.proaudiosolutions.com