Gear Noise Short Courses
GearLab - Gear Dynamics and Gear Noise Research Laboratory
http://www.gearlab.org

Caledonian Ferguson Timpson
Specialists in the design, engineering, manufacture and installation of industrial noise reduction equipment, including acoustic enclosures, noise absorbers, noise havens, acoustic doors and integrated ventilation systems.
http://www.caledonian-group.co.uk/

ATCO Noise Management
ATCO Noise Management (ATCO) specializes in acoustical consulting services and industrial noise control. We are a full service engineering and contracting company, providing leading-edge, guaranteed noise reduction and control for the power, oil and gas, gas manufacturing, oil sands, gas processing, gas storage, and all noisy manufacturing and industrial applications.
http://www.atconoise.com/

BoscoItalia S.p.A. (Italy)
Bosco Italia - Insonorizzazione, progetta e installa sistemi di insonorizzazione industriale, barriere acustiche, fonoassorbenti, silenziatori e sistemi antirumore per insonorizzazione di ambienti industriali rumorosi. Progettazione acustica e installazione di porte, pannelli fonoisolanti e materiale per insonorizzare.
http://www.boscoitalia.it

Vibro-Acoustic Sciences Inc.
Develop software for noise and vibration design. Uses an analytical method called statistical energy analysis (SEA) to approach noise and vibration reduction in design.
http://www.vasci.com/

dbx Professional
Digital processors, noise reduction and EQ products.
http://www.dbxpro.com

Speech Technology Center
Speech Technology Center : voice recording,digital voice recorders,audio analisys,noise cancellation, noise reduction, DSP board, embedded solutions, voice identification, audio restoration
http://www.speechpro.com

Pure Silence
Manufactures the quietest fans, CPU heatsinks and power supplies available.
http://www.puresilence.co.uk/catalog/

Siltech
Siltech Cables, the best in audio and video cables, using new technologies. Siltech is clearing the way to noisefree recording.
http://www.siltech.net/

Industrial Noise Control Inc.
Industrial Noise Control manufactures high performing industrial noise reduction and soundproofing products and structures used to solve the most common to complex noise control applications
http://www.industrialnoisecontrol.com/