33 leading aerospace and defence companies in Illinois

Motorola Solutionsmotorolasolutions.com

The company builds and connects technologies to enhance public safety collaboration for safer communities, schools, hospitals, and businesses worldwide

AARaarcorp.com

Global provider of aviation services to commercial and government markets, offering aftermarket expertise, aviation services, MRO, parts supply, integrated solutions, and manufacturing capabilities

CTS Corporationctscorp.com

Design and manufacture sensors, actuators, and electronic components for OEMs across diverse industries, focusing on innovative, quality technology solutions.

Knowles Corporationknowles.com

Designs and manufactures specialty electronic components like capacitors, RF filters, microphones, and balanced armatures for MedTech, Defense, and Industrial markets.

United State Marine Corpmarines.mil

A military company based in Illinois that operates as part of the United States Marine Corps

Dynacast Internationaldynacast.com

A global leader in high-quality die cast components for various industries, leveraging 80+ years of experience to deliver precision engineered metal components

West Star Aviation, LLCweststaraviation.com

A company specializing in aircraft repair, maintenance, modifications, avionics installation, interior refurbishment, paint services, parts sales, and FBO services for transient aircraft

Kay and Associates, Inc.kayinc.com

Established in 1960, providing high quality engineering and technical services to industry and government worldwide, specializing in maintenance and contract management

Aviall, A Boeing Companyshop.boeing.com

Aerospace aftermarket supply chain services previously offered by Aviall are now provided directly by Boeing through its portfolio of offerings

Illinois Army National Guardnationalguard.com

The Army National Guard serves communities, upholds traditions, and values commitment to country through a citizen-soldier tradition spanning centuries

Winchester Ammunitionwinchester.com

Manufacturing high-quality ammunition for hunters, law enforcement, and military, focusing on innovation, performance, and customer loyalty.

Emcore LLCemcore.com

A leading provider of advanced inertial navigation products for aerospace, defense, commercial, and industrial markets, utilizing cutting-edge technology and manufacturing capabilities

Northstar Aerospacensaero.com

Leading manufacturer of aerospace components and assemblies, specializing in gears, transmissions, and rotorcraft drive systems Also provides maintenance and repair services

Belleville Boot Companybellevilleboot.com

A frontrunner in boot technology research and development, specializing in military and tactical boots with a focus on innovation and market expansion

Darleydarley.com

The company specializes in manufacturing fire fighting pumps, selling fire fighting apparatus and equipment, police gear, municipal supplies, and water purification equipment

McLaughlin Body Companymclbody.com

This company is a vertically integrated manufacturer of industrial and agricultural products, specializing in product design, fabrication, welding, painting, and assembly

EJOT ATFejot-atf.com

A leader in designing and manufacturing tight-tolerance metal components, assemblies, and engineered fasteners for Aerospace, Automotive, Industrial, and Wind Power industries since 1946

Dynomax Inc.dynomaxinc.com

Precision manufacturer offering high-precision machined components, injection molding, tooling, sub-assemblies, specialty machines, and spindles for aerospace, defense, transportation, energy, and medical industries

Ingersoll Machine Toolsen.machinetools.camozzi.com

A pioneering company in milling machines, composite manufacturing, additive manufacturing, contract manufacturing, and building large telescopes and antennas since 1891

Camcraft, Inc.camcraft.com

A precision machining company with over 50 years of experience, specializing in challenging machined parts applications and supporting product development with exceptional quality and performance metrics

Rexnord Aerospaceaerospace.rexnord.com

A global supplier of specialized bearings, seals, gears, and electrical components for the aerospace industry, ensuring smooth operation and reliability

Kaney Inc.kaney.com

An AS9100 certified engineering, manufacturing, and technology company, providing high-precision solutions for Aerospace, Defense, Medical, UAV markets with global operations

Swiss Automation, Inc.swissautomation.com

A leading precision machining company serving various industries with dual spindle CNC turning technology, specializing in complex parts with tight tolerances

H3 Manufacturing Group, LLCh3mfggroup.com

High-quality precision parts manufacturer specializing in CNC machining, fabrication, and welding for a variety of industries including defense, aerospace, and medical diagnostics

Arc-Tronics, Inc.arc-tronics.com

Specializes in engineering, design, and manufacture of custom printed circuit boards, electromechanical, and cable/harness assembly products, from prototypes to production runs.

Bronson & Bratton, Inc.bronsonandbratton.com

A manufacturing company specializing in tungsten carbide & ceramic tools, dies, and precision parts in various industries with tight tolerances

International Control Servicesaimtronic.com

Provider of electronic manufacturing services for industrial, security, medical, communications, defense, and aerospace industries, with a focus on quality, on-time delivery, and value

TRICOR Systems Inc.tricor-systems.com

An electronic contract manufacturer specializing in innovative design and production of test instrumentation for medical, aerospace, military, and industrial markets

The Partner Companiesthepartnercos.com

Global network of advanced manufacturers specializing in niche processes and core capabilities, delivering precision manufacturing solutions for aerospace, defense, clean energy, medical, technology, and telecom industries

X-L Engineering Corp.xleng.com

**Summary:** Provider of precision components using state-of-the-art equipment and expertise in processing challenging materials Specializing in creative solutions and responsive manufacturing services

Bridgestone Inc.bridgestone.net

Specializing in precision metal products, our company offers high-quality, efficient CNC machining services for various industries, focusing on quality and automation in production

Fornax Advanced Materialsfornax-am.com

This company produces advanced materials for extreme environments, offering superior physical properties and innovative manufacturing processes for energy efficiency and improved capabilities

SPORTSWEREUS INCrguns.net

A manufacturer, dealer, and DoD contractor that is a member of a Fair Trade Group, specializing in importing products