Donaldson Company, Inc. makes and sells filtration systems and parts worldwide in two segments: Engine Products for OEMs in the construction, mining, defense, and transportation industries, and Industrial Products for dealers, distributors, and OEMs of gas-fired turbines. Engine Products include air and liquid filters, air and liquid filtration systems, exhaust systems, and sensors. Industrial Products include compressed air purifiers, dust, fume, and mist collectors, and gas and liquid filtration for the food, beverage, and industrial processes.