Don Johns Engineering

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For over 30 years, Don Johns Engineering has been one of the leading full-service stocking distributors of industrial process and machine control equipment in the Midwest. Based in Chicago, Ill., it offers products, including sensors, primary elements, computer software and control elements, among others. The company provides a wide range of services, such as full engineering, extensive on-site inventory, field service technicians, fabrication shop and professional in-house service department, to name a few. Additionally, Don Johns Engineering offers personalized customer service and free repair estimates.