Mallory Sonalert Products, Inc., a leading manufacturer and developer of Sonalert® electronic audio signaling products, is headquartered in a new 22,000-square-foot facility in Indianapolis, Indiana, USA. The company has operated the Sonalert registered brand product line for more than thirty years. In addition to sonalert products, Mallory distributes a full line of audible signaling equipment, including transmitters, indicators, whistles, buzzers and related hardware, with a large customer base in the industrial, military and consumer electronics sectors.