Mixing

• Allen & Heath USA
• Mackie Designs
• Panasonic Pro Audio
• TASCAM
• StudioMaster, Inc.
• Spirit / Soundcraft
• Sony Pro Audio
• Studer Professional Audio, USA
• Yamaha

Microphones

• Neumann
• Shure Brothers Inc.
• Sennheiser
• Randall May International, Inc
• AKG
• Rode
• Countryman Associates Inc.
• Audix
• CAD Microphones
• Earthworks
• Lawson
• GT Electronics

Effects & Signal Processsing

• Alesis
• Amek
• Antares
• API
• ART - Applied Research & Technology
• Avalon Design
• Cedar Audio
• CLM Dynamics
• Crane Song
• Crest Audio
• dbx
• Digitech
• Drawmer, Ltd
• Earthworks
• Empirical Labs
• Eventide
• Grace Design
• Great River Electronics
• Lexicon Inc.
• Line 6
• Manley Laboritories
• MindPrint
• Oram Pro Audio
• PreSonus
• Radial Engineering
• Requisite Audio Engineeering
• Royer Labs
• Shoeps
• Spectrum Signal Processing
• Symetrix
• TC Electronic US
• THAT Corp
• Joe Meeks / PMI Audio
• Universal Audio
• Yamaha
• Zefiro

Amplification & Speakers

• BGW
• JBL Professional
• CARVIN
• Crown International
• Demeter Amplification
• Hafler
• QSC Audio Products
• Carver Professional
• Peavey
• Ashly
• Tannoy
• Community
• Velodyne Acoustics Inc.
• Mackie Designs
• Crest Audio Inc
• Rane
• Juice Goose
• Yamaha

Snakes & Cables

• Pro Co
• Monster Cable
• Hosa
• Spectraflex
• Horizon
• George L's
• Conquest

Isolation Booths

• Whisperroom

Studio Furniture

• Omnirax
• Per Madsen Design
• Argosy Studio Furnishings
• Taytrix Inc
• Quik-Lok/Music Industries Corp.

SoundProofing Materials

• Acoustics First
• Silent

Computers for Stage and Studio

• Marathon Computer
• Wave Digital-Computers for Music