As a pioneer in the technology of electronic audible alarms and visual indicators such as Stacklights, Mallory has partnered with many of the world's largest companies to meet their needs with both custom and off-the-shelf products for more than 50 years. Mallory Sonalert Products, Inc. is headquartered in Indianapolis, Indiana, where it conducts manufacturing operations, engineering, purchasing, customer service, technical support, and sales and marketing activities. Mallory is characterized by its use of the latest manufacturing equipment and technology in the production of value-added product solutions for customers in a wide variety of industries.