Whelen Engineering - a global leader in the emergency warning industry - has been trusted to perform since 1952. Whelen designs and manufactures reliable and powerful warning lights, white illumination lighting, sirens, controllers, and high-powered warning systems for Automotive industries worldwide. Whelen products are proudly designed and manufactured in America and are tested on-site to meet the toughest industry certifications. All Whelen products are proven in the harshest environments, to make sure everyone goes home at night.