Founded by Thomas Ross Sr. in September 1986, Ross Machine Company is a Maryland precision CNC machining contract manufacturer producing complex parts for defense, industrial, and manufacturing customers. The privately owned company handles both short and long production runs, with prototyping capabilities and an in-house machining operation that includes vertical, horizontal, and five-axis CNC mills. Ross Machine is certified to AS9100D and ISO 9001:2015.
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ISO 9001-2015
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ITAR Registration
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Radnor Manufacturing, LLCSince 2001, Southern Maryland’s Radnor Manufacturing has operated as a precision machine shop, using CNC machining to make close-tolerance parts for commercial and government customers. Its Leonardtown facility supports both production runs and single-piece prototypes, with three vertical machining centers and three turning centers. Radnor has held ISO 9001:2015 certification since 2010, underscoring its focus on dimensional verification and consistent quality.LEONARDTOWN, MD
Chesapeake CNC Manufacturing Center, IncFounded by Bob Jacob in 2002, Chesapeake CNC Manufacturing Center makes precision parts and assemblies through Swiss screw machining at its 45,000-square-foot facility on Maryland’s Eastern Shore. Its team brings more than 100 years of combined Swiss-machining experience and supports projects from prototypes and short runs through production, with in-house assembly and a dedicated quality-control department. Chesapeake CNC is certified to AS9100D and ISO 9001:2015, and is also ITAR-registered and HUBZone certified.CHESTERTOWN, MD
RHS PrecisionFounded in June 2018, Edgewood’s RHS Precision is a small Maryland machine shop making CNC-machined components to tolerances as tight as 0.0002 inch. The ITAR-registered company handles work from prototype through production, with machining performed on-site and experience serving demanding aerospace, medical, and communications applications. Its team brings more than three decades of combined machining experience to projects ranging from small parts to larger jobs.EDGEWOOD, MD
Roberts Machine ProductsIn Rushsylvania, Roberts Machine Products makes precision screw-machine and CNC parts as a contract manufacturer, taking projects from prototypes through full production. Its 18,000-square-foot screw-machine facility includes 19 multi-spindle machines, while experienced machinists and sales engineers support production runs ranging from hundreds to millions of parts. Roberts is ISO 9001:2015 certified and part of the Contractors Materials Company family of businesses.RUSHSYLVANIA, OH