Since 1972, Columbus-based Floyd Bell Inc. has made durable audible alarms, buzzers and audio devices for industrial equipment, with every product assembled in the USA. Its configurable sound solutions range from compact piezo alarms to programmable voice units, and the company says its engineers have developed customized systems for more than 500 projects. Floyd Bell is ISO 9001 registered, and its products are designed for demanding conditions with features such as IP68 and NEMA 4X protection.
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Challenge ElectronicsFounded in 1981, Challenge Electronics designs and supplies audible components and electromechanical assemblies, pairing North American engineering with manufacturing and logistics support across global locations. The Deer Park company is particularly focused on space-conscious and application-specific sound solutions, including medical alarm transducers and compact speakers, while also providing custom engineering and pre-assembled battery accessories. Its operations are certified to ISO 9001:2015 and ISO 14001:2015, with products described as REACH- and RoHS-compliant.DEER PARK, NY
The W.L. Jenkins CompanyFounded in Canton, Ohio, in 1901, The W.L. Jenkins Company makes all-steel electronic bells and mechanical gongs for industrial and security signaling. Its Jenkins and Reiter divisions are known for a rich, lasting tone produced from premium U.S. steel and a proprietary heat-treating process. The company also provides wire-harness assembly services through its Newco Industries division.CANTON, OH
Chime Master SystemsSince 1961, Ohio-based Chime Master Systems has built church bell systems that bridge traditional bronze bells with digitally controlled carillons and automation. This third-generation, family-owned company designs and hand-assembles its digital systems in Ohio while also crafting custom bronze bells and restoring historic installations. Its work serves churches, colleges, and communities seeking both the character of a historic bell and the scheduling and remote-control convenience of modern equipment.SUGAR GROVE, OH
LencoreFounded in 1990, Lencore engineers sound-masking, paging, music and audio systems that make conversations less intelligible at a distance while keeping nearby communication clear. Its customizable systems are built for settings where privacy and focus matter, including open-plan workplaces, healthcare facilities and government spaces, and its Green Sound® technology is tuned to human speech frequencies. Lencore also manufactures custom-engineered speakers and offers U.S.-manufactured solutions compliant with the Buy American Act and Trade Agreements Act.HUNTINGTON, NY