PUI Audio, Inc. - PUI Audio, Inc. is a leading developer, manufacturer and supplier of quality audio devices and components including buzzers, alerts and transducers. Corporate offices, product development, engineering, sales and customer service are located in Dayton, Ohio. Our growth and product innovation are the results of listening to our customers. With an extensive network of sales representatives, agents and distributors, we provide products and services throughout the world. Whether your needs are for an off-the-shelf product or a custom design, Projects Unlimited has your sound solution.