Whelen Engineering is a trusted American manufacturer of emergency warning lights, sirens, and control systems for police, fire, EMS, and utility vehicles. With over 70 years of innovation, Whelen designs and builds its products in the U.S., delivering unmatched reliability, performance, and safety. Their extensive lineup includes lightbars, beacons, scene lighting, and vehicle control systems—all rigorously tested to meet the highest industry standards. See below for our current inventory of Whelen emergency lighting and warning solutions.