For more than 20 years, Ordnance Research Inc. has been a small Central Pennsylvania manufacturer serving firearm makers, surplus companies, and military organizations. Founded by Curtis Wolf, the company passed to Kole Moyer in 2024 after he had been part of the organization since 2017, while continuing its focus on custom machine-gun mounts and precision components.
Evans Machining Service IncFounded in 1982 by retired Navy veteran Allen R. Evans, Evans Machining Service manufactures machined firearm components and accessories in Markleysburg, Pennsylvania, with particular expertise in assemblies for M240 and M249 machine guns. The company serves U.S. military customers as well as civilian and law-enforcement markets, and also produces the Pennsylvania-made NO9 9mm pistol under its New Order Firearms brand. Its capabilities include military-specification manganese phosphate coating, CNC and Swiss Automatic machining, and in-house dimensional and materials testing.332710MARKLEYSBURG, PA
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
Munko Machine LLCFamily-owned since 1994, Munko Machine LLC is a Freeport, Pennsylvania machining company shaped by founder Joseph Munko Jr.’s hands-on instinct for taking things apart and making them work better. Since refocusing in 2018, the company has served industrial customers and shooting-sports enthusiasts with custom parts and reloading trays made in the USA.
American Built Arms CompanyFounded in 2007 by former 82nd Airborne soldier Jason Combs, American Built Arms Company manufactures firearm parts and accessories under the A*B Arms name, including its MOD*X chassis system. The Shrewsbury-area company also manages full product lifecycles for government and commercial customers, combining polymer injection molding with precision Swiss CNC machining. Its parent, York City PA LLC, is a certified service-disabled veteran-owned small business, and A*B Arms products are made in the USA.321113SHREWSBURY, PA