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| Sound Reduction Systems Ltd Manufactures and designs acoustic insulation for domestic and commercial environments. http://www.soundreduction.co.uk/ |
| Soundcoat Supplier of noise control materials and parts. http://www.soundcoat.com/ |
| Soundproof Products Offers acoustic foam, sound reduction and isolation supplies, sound blocking and adsorbtion materials, and more. http://www.soundproofproducts.com/ |
| Spectronics, Inc. Offers consulting services and products in the fields of acoustics and vibration control. http://www.spectronics.net/ |
| Super Soundproofing Company Offers practical noise control solutions with soundproofing products and information. http://www.soundproofing.org/ |
| Swedac Acoustic Products Innovation AB Products for noise and vibration control. http://www.swedac-acoustic.se/ |
| Unger Technologies, Inc. Provides noise control and sound proofing, barriers, curtains, and anechoic chambers. http://www.enoisecontrol.com/ |
| Wilson, Ihrig & Assoc., Inc. Offers services associated with acoustics and noise and vibration control. http://www.wiai.com/ |