Illinois · Defense 151 companies
Defense manufacturing suppliers in Illinois 151 companies in Illinois 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 Chicago, IL (14), Elk Grove Village, IL (10) and Elgin, IL (5). Certifications stated: 64 ISO 9001, 21 AS9100 and 7 Nadcap.
Hampshire, IL · Machining, Grinding, Tool and die, Welding
Industries: Aerospace, Automotive, Consumer Products, Defense
Sugar Grove, IL · Grinding, Welding, Metal fabrication, Sheet metal fabrication
Industries: Aerospace, Automotive, Consumer Products, Defense
Spring Grove, IL · Metal finishing, Heat treating, NDT: dye penetrant, NDT: eddy current
Industries: Aerospace, Defense, Energy, Marine
Gurnee, IL · Laser cutting, Metal stamping, Tube bending, Injection molding
Industries: Automotive, Defense
Maple Plain, IL · Machining, Sheet metal fabrication, Injection molding, 3D printing
Industries: Aerospace, Automotive, Defense, Medical
Spring Grove, IL · Heat treating, NDT: dye penetrant, NDT: eddy current, NDT: magnetic particle
Industries: Aerospace, Defense, Energy, Marine
Cary, IL · Machining, Welding, Waterjet cutting
Industries: Aerospace, Defense, Energy, Semiconductor
Fond Du Lac, IL · Tool and die, Waterjet cutting, Metal stamping
Industries: Aerospace, Automotive, Defense, Energy
Bensenville, IL · Machining, Welding, Laser cutting, 3D printing
Industries: Aerospace, Defense, Energy, Medical
Elk Grove Village, IL · Welding, Metal finishing, Anodizing, Powder coating
Industries: Aerospace, Defense, Energy, Medical
Chicago, IL · Machining, Welding, Laser cutting, Metal stamping
Industries: Aerospace, Automotive, Defense, Medical
Oak Brook, IL · Machining, Welding, Injection molding, 3D printing
Industries: Aerospace, Automotive, Defense, Medical
Chicago, IL · Welding, Laser cutting, Plasma cutting
Industries: Aerospace, Agriculture, Automotive, Defense
Melrose Park, IL · Grinding, Polishing, Deburring
Industries: Aerospace, Automotive, Defense, Food Processing
Prophetstown, IL · Machining, Welding, Laser cutting, Press brake forming
Industries: Agriculture, Defense, Medical
Green Bay, IL · Metal finishing, Powder coating, Industrial painting, NDT: dye penetrant
Industries: Aerospace, Agriculture, Automotive, Defense
Downers Grove, IL · Grinding, Heat treating
Industries: Aerospace, Agriculture, Defense, Food Processing
Yorkville, IL · Machining, Grinding, Waterjet cutting, Media blasting
Industries: Defense
Bartlett, IL · Machining, Grinding
Industries: Aerospace, Automotive, Defense, Medical
Chicago, IL · Machining, Grinding, Metal stamping, Roll forming
Industries: Aerospace, Automotive, Defense, Medical
Downers Grove, IL · Injection molding, Metal finishing, Electroless nickel plating, Passivation
Industries: Aerospace, Automotive, Defense, Energy
Crystal Lake, IL · Metal stamping, Heat treating
Industries: Automotive, Defense, Medical
Northbrook, IL · Welding, Metal stamping
Industries: Aerospace, Automotive, Defense, Medical
Crystal Lake, IL · Metal stamping, Heat treating
Industries: Automotive, Defense, Medical
Chicago, IL · Metal finishing, Passivation
Industries: Aerospace, Automotive, Defense, Marine
Lincolnwood, IL · Machining, Grinding, Tool and die
Industries: Agriculture, Defense, Energy, Oil & Gas
Huntley, IL · Machining, Metal fabrication
Industries: Agriculture, Defense, Energy
Deerfield, IL · Machining, Welding, Laser engraving & marking
Industries: Aerospace, Defense, Medical
Loves Park, IL · Welding, Anodizing
Industries: Aerospace, Agriculture, Automotive, Defense
Loves Park, IL · Machining, Grinding
Industries: Aerospace, Defense, Medical
North Bethesda, IL · Machining, Tool and die, Laser cutting, Waterjet cutting
Industries: Aerospace, Automotive, Defense, Medical
Woodstock, IL · Industrial painting, Phosphate coating, Masking
Industries: Defense
Chicago, IL · Metal finishing, Anodizing, Masking, Polishing
Industries: Aerospace, Automotive, Defense, Medical
Elk Grove Village, IL · Machining, Welding, Laser cutting, Press brake forming
Industries: Aerospace, Defense, Energy
Elmhurst, IL · Machining, Sheet metal fabrication
Industries: Aerospace, Agriculture, Automotive, Defense
Bedford Heights, IL · Metal rolling
Industries: Aerospace, Automotive, Defense, Energy
Wheeling, IL · Machining, Metal stamping
Industries: Agriculture, Automotive, Defense, Marine
Springfield, IL · Sheet metal fabrication
Industries: Aerospace, Defense, Energy, Marine
Cicero, IL · Metal fabrication, Heat treating
Industries: Defense, Energy, Marine, Oil & Gas
Elk Grove Village, IL · Welding
Industries: Defense, Medical
Glendale Heights, IL · Metal stamping
Industries: Aerospace, Automotive, Defense, Medical
Belvidere, IL · Roll forming
Industries: Defense, Energy
Elk Grove Village, IL · Grinding
Industries: Aerospace, Automotive, Defense, Food Processing
Northlake, IL · Metal finishing
Industries: Automotive, Defense
Chicago, IL · Machining
Industries: Aerospace, Automotive, Defense, Medical
Chicago, IL · PCB fabrication
Industries: Defense, Medical
Denver Co, IL · Masking
Industries: Aerospace, Defense
Northbrook, IL · Machining, Metal stamping
Industries: Aerospace, Automotive, Defense, Medical
Naperville, IL · Injection molding
Industries: Aerospace, Agriculture, Automotive, Defense
New Delhi, IL · PCB fabrication
Industries: Aerospace, Defense, Medical
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