Woman-owned since 2000, De Perini Metal Fabricators is a Maryland manufacturer with roots stretching back to its 1960 founding by Jack K. De Perini. From its Gaithersburg plant, the company produces precision sheet-metal and machined parts for military, government and commercial customers, handling both prototypes and production work.
ISO 9001:2015
ITAR Compliant Certified per Military Critical Technical Data Agreement DD Form 2345
Compliance program
MIL-DTL-5541 Chemical Conversion Coating
Woman-Owned Maryland Corporation
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
General Sheet Metal & Mechanical, LLCGeneral Sheet Metal & Mechanical (GSM) provides sheet metal design, fabrication, and installation services in Maryland and Washington, D.C. The company is woman-owned and says it serves construction, government, aerospace, and commercial industries, with fabrication work that includes duct products and custom equipment.UPPER MARLBORO, MD
B&B Manufacturing IncFounded in 1980 by a father-and-son team, B&B Manufacturing is a family-owned Maryland sheet-metal fabrication shop making precision parts and assemblies from concept through finished production. The Bates legacy now extends to Jared Bates, the third generation of the family to run the business, which combines in-house engineering, fabrication and inspection under one roof. B&B is ISO 9001:2015 accredited and produces its parts at its Maryland headquarters.FOREST HILL, MD
Blackstone Advanced TechnologiesBlackstone Advanced Technologies is a woman-owned U.S. manufacturer known for keeping custom sheet-metal work under one roof. From its Jamestown facility, the company helps customers turn specialized designs into finished products for applications ranging from rail equipment to military lockers, with ISO 9001:2015 certification supporting its quality system.JAMESTOWN, NY