Eckel Industries 
specializes in the design, fabrication, and installation of custom engineered noise control solutions such as anechoic chambers, reverberation rooms, modular panel enclosures, jet engine test cells, and architectural noise control systems.
George Koch Sons
The Koch Acoustical Barrier System is a lightweight, sound-absorptive modular panel system placed between the noise source and receiver. Installed outdoors on the ground or on the roof to create effective noise reduction solutions. In addition to engineering support, we supply everything you need from support steel, doors, openings, flashing, fasteners, transportation, to assembly.
Kinetics Noise Control Company
Kinetics Noise Control manufactures the broadest line of acoustic, noise, and vibration control products in North America and distributed worldwide. Please contact us for assistance with product selection, application, and design.
LogiSon® Acoustic Network 
Our award-winning sound masking, paging and music system provides the highest degree of flexibility. Small zones and fine settings allow the masking sound to be customized for each facility, maximizing both comfort and effectiveness. Networked control facilitates setup and takes the headaches out of making changes. Adjustments, even to zoning, can be completed in minutes.
PAC International 
The RSIC (Rubber Sound Isolation Clip) provides the lowest cost highest performing noise control solutions available. This complete noise absorbing system achieves superior STC’s and IIC’s in floor/ceiling and wall systems making it ideal for both new construction and renovations. RSIC-1 is the first and only product classified by UL in both fire and sound.
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See also:
09 8200 - Sound Absorption Materials (NRC Rated)
09 8500 - Sound Transmission Control Materials (STC & IIC Rated)
13 4860 - Seismic Isolation Systems (Base Isolation)
23 0550 - HVAC Mechanical Sound, Vibration and Seismic Control
Eckel Industries
specializes in the design, fabrication, and installation of custom engineered noise control solutions such as anechoic chambers, reverberation rooms, modular panel enclosures, jet engine test cells, and architectural noise control systems.
George Koch Sons
The Koch Acoustical Barrier System is a lightweight, sound-absorptive modular panel system placed between the noise source and receiver. Installed outdoors on the ground or on the roof to create effective noise reduction solutions. In addition to engineering support, we supply everything you need from support steel, doors, openings, flashing, fasteners, transportation, to assembly.
Kinetics Noise Control Company
Kinetics Noise Control manufactures the broadest line of acoustic, noise, and vibration control products in North America and distributed worldwide. Please contact us for assistance with product selection, application, and design.
LogiSon® Acoustic Network
Our award-winning sound masking, paging and music system provides the highest degree of flexibility. Small zones and fine settings allow the masking sound to be customized for each facility, maximizing both comfort and effectiveness. Networked control facilitates setup and takes the headaches out of making changes. Adjustments, even to zoning, can be completed in minutes.
PAC International
The RSIC (Rubber Sound Isolation Clip) provides the lowest cost highest performing noise control solutions available. This complete noise absorbing system achieves superior STC’s and IIC’s in floor/ceiling and wall systems making it ideal for both new construction and renovations. RSIC-1 is the first and only product classified by UL in both fire and sound.