National Presto Industries Inc, headquartered in Eau Claire, Wisconsin, operates in three segments - Housewares/Small Appliance, Defense, and Safety. Its Housewares/Small Appliance division designs and distributes an array of housewares and electrical appliances marketed under the Presto Control Master brand. The Defense and Safety segments primarily serve the United States Department of Defense and utilize advanced technology to manufacture military energetic devices along with continuous monitoring of freezers and refrigerators respectively.