Pennsylvania · Defense227 companies

Defense manufacturing suppliers in Pennsylvania

227 companies in Pennsylvania are listed below. U.S. manufacturers whose descriptions or tags say they serve defense customers. Confirm the specific requirements (materials, certifications, documentation) with each supplier.

Listings come from each company’s public information and may be incomplete, so confirm capabilities, materials and certifications with the shop before you commit. The fastest way to get quotes is one request: attach your drawing (PDF or STEP) or describe the part, and Noramark routes it to U.S. shops that fit.

The most listings are in Erie, PA (10), Lancaster, PA (7) and King Of Prussia, PA (5). Certifications stated: 74 ISO 9001, 33 AS9100 and 5 Nadcap.

Stroudsburg, PA · Machining, Welding, Sheet metal fabrication, Laser cutting

Industries: Aerospace, Defense, Energy, Medical

Canonsburg, PA · Metal fabrication, Sheet metal fabrication, Laser cutting, Waterjet cutting

Industries: Aerospace, Defense, Energy

Collingdale, PA · Metal finishing, Anodizing, Electroless nickel plating, Nickel plating

Industries: Aerospace, Defense, Medical

Eden Prairie, PA · Machining, Grinding, Polishing

Industries: Aerospace, Defense, Medical, Semiconductor

Southampton, PA · Sheet metal fabrication, Metal stamping

Industries: Automotive, Defense

Erie, PA · Machining, Heat treating

Industries: Aerospace, Automotive, Defense, Medical

Southampton, PA · Sheet metal fabrication, Laser cutting, CNC turret punching, Metal stamping

Industries: Automotive, Defense

Mechanicsburg, PA · Machining, 3D printing, Metal finishing, Laser engraving & marking

Industries: Defense

King Of Prussia, PA · Welding, 3D printing

Industries: Aerospace, Defense, Energy, Food Processing