National Presto Industries, Inc. provides housewares and small appliance, defense, and safety products in North America. The company's Housewares/Small Appliance segment designs, markets, and distributes housewares and small electrical appliances, including pressure cookers and canners; kitchen electrics, and comfort appliances; heat control line of skillets, griddles, woks, and multi-purpose cookers; slow cookers; deep fryers; air fryers; waffle makers; pizza ovens; slicer/shredders; electric heaters; corn poppers; dehydrators; vacuum sealers; microwave bacon cookers; coffeemakers and coffeemaker accessories; electric knife sharpeners; and timers under the Presto Control Master brand. This segment sells its products directly to retailers, as well as through independent distributors. Its Defense segment manufactures and sells 40mm ammunition, precision mechanical and electro-mechanical products, medium caliber cartridge cases, and metal parts; and detonators, booster pellets, release cartridges, lead azide, other military energetic devices and materials, and assemblies. This segment primarily serves the United States Department of Defense (DOD) and DOD prime contractors. The company's Safety segment patented machine learning, digital sensors, and cloud-based technology to monitor freezers and refrigerators that detects and alerts users to potential safety issues around pharmaceuticals and food. National Presto Industries, Inc. was founded in 1905 and is based in Eau Claire, Wisconsin.