Based in Irwindale, California, Superior Communications is the leading manufacturer and distributor of wireless accessories i ... n the United States. As a one-stop shop for wireless retailers, distributors and carriers, Superior Communications offers award-winning product design and engineering and 100% quality control manufacturing. The company also packages goods for retail sale through its fully automated distribution centers. Superior is proud to assist customers with everything from product mix and lifecycle management to sales training for retail associates, which helps maximize customer accessory sales. read more