Whelen Engineering has been designing and manufacturing professional lighting system solutions for over forty years. Engineered to meet all demands of the heavy-duty truck market, Whelen is proud to provide lighting solutions that are designed for all operating conditions. Providing safe, reliable systems to both operators and the motoring public is at the forefront of Whelen’s mission. As an industry leader, Whelen prides itself in providing flexible system programmability and introducing innovative, high quality products for further safety enhancement. We appreciate your loyalty as we continue to drive innovation.