Serving military and commercial electronics customers, JTJ Engineering Inc. provides precision CNC machining in Linthicum, Maryland, handling both prototypes and large-scale production. Its shop includes 21 CNC machining centers, with four-axis milling and CNC turning capabilities for parts made to client specifications. JTJ Engineering is ISO 9001:2015 certified and registered under ITAR.
ISO 9001:2015
certification
ITAR M39652
registration
Tri-CNCFamily-owned Tri-CNC is a Gaithersburg machine shop focused on CNC mill and lathe machining, helping customers move from prototypes to production with three-, four- and five-axis capabilities. With more than 20 years of machining experience, the shop also handles custom fitments, CMM inspection reports and CNC machine calibration, serving clients nationwide. Tri-CNC is ITAR registered and ISO 9001:2015 compliant, with experience supporting NASA as well as aerospace, automotive and optical-instrumentation work.GAITHERSBURG, MD
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
Ross Machine Company, IncFounded 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.BELCAMP, 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