Rockford Corporation manufactures, markets, and distributes audio and security systems for the mobile audio aftermarket and OEM market in the United States. It distributes its products under the brand names of Rockford Fosgate, Rockford Acoustic Design, Lightning Audio, Crimestopper, Blaupunkt, Brax, Helix, and Renegade. The company was founded in 1980 and is headquartered in Tempe, Arizona.