 Whelan Engineering, a global leader in the emergency warning industry, designs and manufactures reliable and powerful warning lights, white illumination lighting, sirens, controllers, and warning systems for the automotive, aviation, and mass notification industries worldwide. Whelan products are designed, sourced, and manufactured in America and tested on-site to meet the toughest industry standards. Whelan Engineering, manufactured in America for over 70 years. We never left, and we're here to stay.