Johnson Bros. Metal Forming Co. - Berkeley, IL (Serving Wisconsin)
Manufacturer, Custom Manufacturer, Service Company
Manufacturers, roll formed metal noise buffer framing, channels, Ppanels, profiles, openseam tubing. All metals. 2,000ft. min. prefinished/plain. Inline: holes, end fabricating, miters, cut to length.
www.JohnsonRollForming.com

O'Neill Engineered Systems, Inc. - Hartland, WI
Distributor, Manufacturer, Service Company
Manufacturer & distributor of industrial noise control materials. Products also include modular acoustic panels, acoustic test chambers, sound control curtains, acoustic barrier walls, sound control doors & windows, sound attenuators & silencers, vibration isolation & floating floors, acoustic blanket insulation & acoustic foam & fabric wrapped panels. Services include site acoustic analysis, sound level measuring, design & installation. Markets served include industrial, broadcasting & recording, architectural, medical, commercial, institutional, automotive, pharmaceutical, military, aviation & education.
Brand Names: IAC, Sound Seal
www.noiseproblems.com/Home-c1202-wp1690.htm