MSM North America

MSM North America is a U.S.-based defense manufacturer headquartered in St. Petersburg, Florida. As a proud member of the CSG Group, we contribute critical capabilities to the U.S.

Munitions Industrial Base (MIB), specializing in the production, servicing, and lifecycle support of medium- and large-caliber ammunition. Our core mission is to deliver dependable, scalable, and high-performance ammunition solutions to the U.S. Armed Forces and allied partners.

Through targeted investment in advanced manufacturing, workforce development, and state-of-the-art technologies, we strive to: Enhance U.S.-based production of medium- and large-caliber munitions Modernize and expand government-owned, contractor-operated (GOCO) facilities Provide responsive engineering and program execution capabilities Build a secure and resilient domestic supply chain Support national readiness through innovation and rapid scalability.