National Defense Systems, Inc. builds small arms, weapons-adjacent hardware, and defense technologies, pairing scaled armament production with an in-house Central Ohio engineering division for build-to-spec design and prototyping. Established in 2025 through its CORD technical institute, the company also develops optical, infrared, and targeting systems for public and private-sector applications. NATDEF is ITAR licensed, CAGE licensed, and a 07/02 Federal Firearms Licensee.
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CRG DefenseFounded in 1997, CRG Defense is a secure Ohio defense company built around rapid development, domestic production, and a mission-focused approach to national security work. Wholly owned by Rushlight Assets, it operates a 65-acre secure campus near Dayton and helps government and commercial partners move emerging technologies from early concept into field-ready use.MIAMISBURG, OH
Ohio Ordnance Works, IncEstablished in 1981, Ohio Ordnance Works designs and manufactures automatic and semi-automatic firearms for military and law-enforcement applications, including light and heavy machine guns supplied to U.S. forces and customers worldwide. From its 35,000-plus-square-foot Chardon facility, the company also makes training-simulator arms and military mounts, building on founder Bob Landies’ background in weapons design and Army armor service. OOW employs more than 80 people and operates under ISO 9001:2015 certification.CHARDON, OH
Thaler Defense SystemsFounded in Dayton in 1952, Thaler Defense Systems has grown from a local precision machine shop into a Springboro defense contractor making complex components and assemblies for ordnance, hypersonic and space programs. Its nearly 100,000-square-foot operation brings more than 130 CNC machines, electron-beam welding and in-house inspection together under one roof, supporting work from prototype through production. The company is certified to AS9100 and ISO 9001:2015 and operates under U.S. defense export-control requirements.SPRINGBORO, OH
CRG DefenseFounded in 1997, CRG Defense is a wholly owned subsidiary of Rushlight Assets and a secure Ohio company built around moving defense technology from research into field use. Its 65-acre campus near Dayton supports work for government and defense partners, with a particular emphasis on keeping sensitive development and production within a U.S.-based operation.MIAMISBURG, OH