National Defense Corporation

National Defense Corporation is the defense-sector holding and coordination company within National Presto Industries, Inc. It brings together businesses producing ammunition, explosive components and precision metal parts for military customers. The group was restructured in 2014 to consolidate National Presto’s defense businesses, including AMTEC Corporation and its Amron and Tech Ord divisions, Spectra Technologies and Woodlawn Manufacturing. Its operating companies provide capabilities ranging from cartridge cases and fuzes to energetic materials and ordnance assembly. National Defense Corporation lists a contact office in Janesville, Wisconsin, while National Presto’s SEC subsidiary exhibit identifies it as a Wisconsin corporation in Eau Claire.