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/

Industrial Noise Control
Industrial Noise Control manufactures high performing industrial noise control materials, sound proofing and noise control products, acoustical panels, and dyno testing to solve the most common to complex noise control applications
http://www.industrialnoisecontrol.com

Active Noise Control for Smart Materials
Research results and software tools for using smart materials in active noise control. Active noise control and noise cancellation solutions for acoustic problems brought to you by Signal Systems Corporation.
http://www.signalsystemscorp.com/ancindex.htm

Marshall Day Acoustics
Acoustics and noise engineering consulting firm that provides acoustical, environmental noise, and noise control design services, including concert hall and auditorium design, environmental noise assessments, and building services and industrial noise control.
http://www.marshallday.com/

Kamperman Associates Inc.
Consultant in acoustics with over 30 years experience in the field of industrial, building, community and environmental noise and vibration control
http://www.kamperman.com

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/

Netwell Noise Control
Get soundproofing solutions for sound proofing & noise control. Find an extensive range of sound proofing products, acoustical panels & more than sixty acoustical sound proofing materials.
http://www.controlnoise.com/

Associates in Acoustics, Inc.
Consulting firm in industrial noise measurement, engineering noise control and hearing conservation programs. Includes noise manual downloads and resource links.
http://www.esion.com/

Roth Acoustical Associates
The Social Media blog is your single destination for updates on the AIM Buddy blog, the AIM Pages blog, the AOL Community Info blog, the Expressions Factory, the Marvelous Mob and the Social Media Mess blog.
http://members.aol.com/rothsi/

Acran
Manufacture and installation of noise control products including acoustic louvres, attenuators, acoustic doors and enclosures. Australia.
http://www.acran.com.au/