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Since 1965, Patlite has offered state-of-the-art equipment for process and industrial automation. Innovative and robust design, backed by years of industry experience and a strong commitment to safety and security, has made Patlite the world's best known manufacturer of visual and audible signaling products. Doig Corporation is an authorized Wisconsin Patlite distributor.

PATLITE’s products meet emerging technology needs of industrial automation, commercial, municipal and governmental customers. Their optical, acoustic and electronic engineers have decades of experience developing innovative signalling products with outstanding quality and performance reliability which are required by high and stringent standards of the industry. PATLITE’s extensive range of products are dedicated to improving quality control, productivity and safety in production plants.