Founded by Bob Graf in 1979, East River Metals began making tight-tolerance metal enclosures and has grown alongside Custom Manufacturing Services into a regional manufacturer of precision sheet-metal parts, enclosures and turnkey electro-mechanical assemblies. CMS, founded in 1995, adds higher-volume production and assembly in Princeton, while ERM handles small to medium runs in Rocky Gap. Together, the companies operate three Southern West Virginia and Virginia facilities totaling more than 155,000 square feet and maintain ISO 9001:2015-certified processes.
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ITAR
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Western Industrial Machining, IncSince 1976, Western Industrial Machining has produced precision-machined parts, sheet-metal components, and mechanical assemblies for industrial and government customers from its Hampstead shop and Westminster satellite facility. The locally owned Maryland manufacturer combines hand craftsmanship with computerized machining and maintains an ISO 9001:2015 quality system, with climate-controlled inspection stations supporting its work. Its four welding stations and in-house finishing and assembly capabilities allow projects to move from fabricated metal parts to completed assemblies under one roof.HAMPSTEAD, MD
Central Precision, IncSince 1994, woman-owned Central Precision has made precision sheet-metal parts, machined components, and assemblies for customers from its 37,000-square-foot facility in central Maryland. Its work includes custom enclosures and turnkey assemblies for defense and commercial applications, with design support and reverse-engineering available alongside in-house finishing and assembly. The company is ISO 9001:2015 certified and CMMC 2.0 Level 2 compliant.BOONSBORO, MD
EM Metal WorksEM Metal Works grew from Electro-Metrics’ in-house antenna machine shop into a U.S. contract manufacturer producing precision-machined and fabricated parts for regional manufacturers and major industrial customers. Founded as a division in 1964, the Johnstown, New York operation now provides in-house manufacturing, testing and assembly, with production ranging from one-off parts to runs of thousands. Its work is backed by more than six decades of manufacturing experience and an ISO 9001:2015-certified quality system.JOHNSTOWN, NY
F3 MetalworxF3 Metalworx grew from the merger of three experienced companies whose combined expertise spans more than 80 years. Today, its two Pennsylvania facilities give manufacturers a single partner for precision sheet-metal fabrication and contract manufacturing, with more than 250,000 square feet of production space and ISO 9001 compliance.NORTH EAST, PA