Pfannenberg, Inc. is a Global Manufacturer of Thermal Management, Liquid Cooling Solutions and Signaling Technologies. Established in 1954 by Otto Pfannenberg, for over 60 years Pfannenberg has been recognized as a industry leader within the Electrotechnology Industry. It is our innovation that has driven us to where we are today. In 1958 we invented the Filterfan®, which is recognized worldwide as a leading product to help manage the temperature in electrical enclosures. In 1962 we invented the first industrial flashing light that didn’t require a bulb change once activated. Many of our products are found within the same facility providing critical protection for manufacturing, processes and personnel. Our business philosophy: Protecting People, Machines and the Environment.